diff --git a/certs/account.go b/certs/account.go
index ecb5942..f851285 100644
--- a/certs/account.go
+++ b/certs/account.go
@@ -8,13 +8,13 @@ import (
 	"crypto/x509"
 	"encoding/json"
 	"encoding/pem"
-	"log"
 	"os"
 	"path/filepath"
 	"strings"
 
 	"github.com/go-acme/lego/v4/lego"
 	"github.com/go-acme/lego/v4/registration"
+	"local-ip.sh/utils"
 )
 
 type Account struct {
@@ -42,28 +42,28 @@ func LoadAccount() *Account {
 			RegisterAccount()
 			return LoadAccount()
 		}
-		log.Fatal(err)
+		utils.Logger.Fatal().Err(err).Msg("Failed to load account from existing file")
 	}
+
 	account := &Account{}
 	err = json.Unmarshal(jsonBytes, account)
 	if err != nil {
-		log.Fatal(err)
+		utils.Logger.Fatal().Err(err).Msg("Failed to unmarshal account JSON file")
 	}
 
 	privKey, err := os.ReadFile(keyFilePath)
 	if err != nil {
-		log.Fatal(err)
+		utils.Logger.Fatal().Err(err).Msg("Failed to read account's private key file")
 	}
-	privateKey := decode(string(privKey))
 
-	account.key = privateKey
+	account.key = decode(string(privKey))
 	return account
 }
 
 func RegisterAccount() {
 	privateKey, err := ecdsa.GenerateKey(elliptic.P256(), rand.Reader)
 	if err != nil {
-		log.Fatal(err)
+		utils.Logger.Fatal().Err(err).Msg("Failed to generate account key")
 	}
 
 	account := &Account{
@@ -74,35 +74,39 @@ func RegisterAccount() {
 	config.CADirURL = caDirUrl
 	legoClient, err := lego.NewClient(config)
 	if err != nil {
-		log.Fatal(err)
+		utils.Logger.Fatal().Err(err).Str("CA Directory URL", config.CADirURL).Msg("Failed to initialize lego client")
 	}
 
 	reg, err := legoClient.Registration.Register(registration.RegisterOptions{TermsOfServiceAgreed: true})
 	if err != nil {
-		log.Fatal(err)
+		utils.Logger.Fatal().Err(err).Str("CA Directory URL", config.CADirURL).Msg("Failed to register account to ACME server")
 	}
 	if reg.Body.Status != "valid" {
-		log.Fatalf("registration failed with status %s", reg.Body.Status)
+		utils.Logger.Fatal().Err(err).Str("CA Directory URL", config.CADirURL).Msgf("Registration failed with status %s", reg.Body.Status)
 	}
-	log.Println(reg.Body.TermsOfServiceAgreed)
+
+	utils.Logger.Debug().
+		Str("CA Directory URL", config.CADirURL).
+		Bool("TermsOfServiceAgreed", reg.Body.TermsOfServiceAgreed).
+		Msg("Successfully registered account to ACME server")
 	account.Registration = reg
 
 	os.MkdirAll(filepath.Dir(keyFilePath), os.ModePerm)
 	privKey := encode(privateKey)
 	err = os.WriteFile(keyFilePath, []byte(privKey), 0o644)
 	if err != nil {
-		log.Fatal(err)
+		utils.Logger.Fatal().Err(err).Str("path", keyFilePath).Msg("Failed to write account's private key file")
 	}
 
 	jsonBytes, err := json.MarshalIndent(account, "", "\t")
 	if err != nil {
-		log.Fatal(err)
+		utils.Logger.Fatal().Err(err).Msg("Failed to marshal account JSON file")
 	}
 
 	os.MkdirAll(filepath.Dir(accountFilePath), os.ModePerm)
 	err = os.WriteFile(accountFilePath, jsonBytes, 0o600)
 	if err != nil {
-		log.Fatal(err)
+		utils.Logger.Fatal().Err(err).Str("path", accountFilePath).Msg("Failed to write account's JSON file")
 	}
 }
 
diff --git a/certs/certs.go b/certs/certs.go
index 73e87eb..b1ccd90 100644
--- a/certs/certs.go
+++ b/certs/certs.go
@@ -3,7 +3,6 @@ package certs
 import (
 	"encoding/json"
 	"fmt"
-	"log"
 	"os"
 	"strings"
 	"time"
@@ -12,6 +11,7 @@ import (
 	"github.com/go-acme/lego/v4/certificate"
 	"github.com/go-acme/lego/v4/challenge/dns01"
 	"github.com/go-acme/lego/v4/lego"
+	"local-ip.sh/utils"
 	"local-ip.sh/xip"
 )
 
@@ -36,20 +36,20 @@ func (c *certsClient) requestCertificate(certType string) {
 		lastCertificate = c.lastRootCertificate
 		domains = []string{"local-ip.sh"}
 	} else {
-		log.Fatalf("Unexpected certType %s. Only \"wildcard\" and \"root\" are supported", certType)
+		utils.Logger.Fatal().Msgf("Unexpected certType %s. Only \"wildcard\" and \"root\" are supported", certType)
 	}
 
-	log.Printf("requesting %s certificate\n", certType)
+	utils.Logger.Info().Str("certType", certType).Msg("Requesting certificate")
 	if lastCertificate != nil {
 		certificates, err := certcrypto.ParsePEMBundle(c.lastWildcardCertificate.Certificate)
 		if err != nil {
-			log.Fatal(err)
+			utils.Logger.Fatal().Err(err).Msg("Failed to parse PEM bundle from last certificate")
 		}
 
 		x509Cert := certificates[0]
 		timeLeft := x509Cert.NotAfter.Sub(time.Now().UTC())
 		if timeLeft > time.Hour*24*30 {
-			log.Printf("%d days left before expiration, will not renew", int(timeLeft.Hours()/24))
+			utils.Logger.Info().Msgf("%d days left before expiration, skip renewal", int(timeLeft.Hours()/24))
 			return
 		}
 
@@ -57,36 +57,34 @@ func (c *certsClient) requestCertificate(certType string) {
 		return
 	}
 
-	certificates, err := c.legoClient.Certificate.Obtain(certificate.ObtainRequest{
-		Domains: domains,
-		Bundle:  true,
-	})
+	cert, err := c.legoClient.Certificate.Obtain(certificate.ObtainRequest{Domains: domains, Bundle: true})
 	if err != nil {
-		log.Fatal(err)
+		utils.Logger.Fatal().Err(err).Msg("Failed to obtain certificate from lego client")
 	}
 
 	if certType == "wildcard" {
-		c.lastWildcardCertificate = certificates
+		c.lastWildcardCertificate = cert
 	} else if certType == "root" {
-		c.lastRootCertificate = certificates
+		c.lastRootCertificate = cert
 	}
 
-	persistFiles(certificates, certType)
+	persistFiles(cert, certType)
 
 }
 
 func (c *certsClient) renewCertificates() {
-	log.Println("renewing currently existing certificate")
+	utils.Logger.Info().Msg("Renewing certificates")
+
 	wildcardCertificate, err := c.legoClient.Certificate.Renew(*c.lastWildcardCertificate, true, false, "")
 	if err != nil {
-		log.Fatal(err)
+		utils.Logger.Fatal().Err(err).Msg("Failed to renew wildcard certificate")
 	}
 	c.lastWildcardCertificate = wildcardCertificate
 	persistFiles(wildcardCertificate, "wildcard")
 
 	rootCertificate, err := c.legoClient.Certificate.Renew(*c.lastRootCertificate, true, false, "")
 	if err != nil {
-		log.Fatal(err)
+		utils.Logger.Fatal().Err(err).Msg("Failed to renew root certificate")
 	}
 	c.lastRootCertificate = rootCertificate
 	persistFiles(rootCertificate, "root")
@@ -94,14 +92,30 @@ func (c *certsClient) renewCertificates() {
 }
 
 func persistFiles(certificates *certificate.Resource, certType string) {
-	os.MkdirAll(fmt.Sprintf("/certs/%s", certType), 0o755)
-	os.WriteFile(fmt.Sprintf("/certs/%s/server.pem", certType), certificates.Certificate, 0o644)
+	err := os.MkdirAll(fmt.Sprintf("/certs/%s", certType), 0o755)
+	if err != nil {
+		utils.Logger.Fatal().Err(err).Msgf("Failed to mkdir /certs/%s", certType)
+	}
+
+	err = os.WriteFile(fmt.Sprintf("/certs/%s/server.pem", certType), certificates.Certificate, 0o644)
+	if err != nil {
+		utils.Logger.Fatal().Err(err).Msgf("Failed to save /certs/%s/server.pem", certType)
+	}
+
 	os.WriteFile(fmt.Sprintf("/certs/%s/server.key", certType), certificates.PrivateKey, 0o644)
+	if err != nil {
+		utils.Logger.Fatal().Err(err).Msgf("Failed to save /certs/%s/server.key", certType)
+	}
+
 	jsonBytes, err := json.MarshalIndent(certificates, "", "\t")
 	if err != nil {
-		log.Fatal(err)
+		utils.Logger.Fatal().Err(err).Msg("Failed to marshal certificates to JSON")
+	}
+
+	err = os.WriteFile(fmt.Sprintf("/certs/%s/output.json", certType), jsonBytes, 0o644)
+	if err != nil {
+		utils.Logger.Fatal().Err(err).Msgf("Failed to save /certs/%s/output.json", certType)
 	}
-	os.WriteFile(fmt.Sprintf("/certs/%s/output.json", certType), jsonBytes, 0o644)
 }
 
 func NewCertsClient(xip *xip.Xip, user *Account) *certsClient {
@@ -109,7 +123,7 @@ func NewCertsClient(xip *xip.Xip, user *Account) *certsClient {
 	config.CADirURL = caDirUrl
 	legoClient, err := lego.NewClient(config)
 	if err != nil {
-		log.Fatal(err)
+		utils.Logger.Fatal().Err(err).Msg("Failed to initialize lego client")
 	}
 
 	provider := newProviderLocalIp(xip)
@@ -131,23 +145,20 @@ func getLastCertificate(legoClient *lego.Client, certType string) *certificate.R
 		if strings.Contains(err.Error(), "no such file or directory") {
 			return nil
 		}
-		log.Println(err)
-		log.Println("falling back to getting a brand new cert")
+		utils.Logger.Error().Err(err).Msg("Failling back to getting a brand new cert")
 		return nil
 	}
 
 	lastCertificate := &certificate.Resource{}
 	err = json.Unmarshal(jsonBytes, lastCertificate)
 	if err != nil {
-		log.Println(err)
-		log.Println("falling back to getting a brand new cert")
+		utils.Logger.Error().Err(err).Msg("Failling back to getting a brand new cert")
 		return nil
 	}
 
 	lastCertificate, err = legoClient.Certificate.Get(lastCertificate.CertURL, true)
 	if err != nil {
-		log.Println(err)
-		log.Println("falling back to getting a brand new cert")
+		utils.Logger.Error().Err(err).Msg("Failling back to getting a brand new cert")
 		return nil
 	}
 
diff --git a/certs/provider.go b/certs/provider.go
index b7a0796..f7796e2 100644
--- a/certs/provider.go
+++ b/certs/provider.go
@@ -3,6 +3,7 @@ package certs
 import (
 	"github.com/go-acme/lego/v4/challenge/dns01"
 
+	"local-ip.sh/utils"
 	"local-ip.sh/xip"
 )
 
@@ -11,12 +12,14 @@ type DNSProviderLocalIp struct {
 }
 
 func (d *DNSProviderLocalIp) Present(domain, token, keyAuth string) error {
+	utils.Logger.Debug().Str("domain", domain).Msg("DNS01 challenge - present")
 	fqdn, value := dns01.GetRecord(domain, keyAuth)
 	d.xip.SetTXTRecord(fqdn, value)
 	return nil
 }
 
 func (d *DNSProviderLocalIp) CleanUp(domain, token, keyAuth string) error {
+	utils.Logger.Debug().Str("domain", domain).Msg("DNS01 challenge - cleanup")
 	fqdn, _ := dns01.GetRecord(domain, keyAuth)
 	d.xip.UnsetTXTRecord(fqdn)
 	return nil
diff --git a/go.mod b/go.mod
index 9204736..ee68657 100644
--- a/go.mod
+++ b/go.mod
@@ -1,20 +1,23 @@
 module local-ip.sh
 
-go 1.21
+go 1.22
 
 require (
 	github.com/go-acme/lego/v4 v4.10.1
 	github.com/miekg/dns v1.1.57
+	github.com/rs/zerolog v1.33.0
+	golang.org/x/net v0.17.0
+	gopkg.in/natefinch/lumberjack.v2 v2.2.1
 )
 
 require (
 	github.com/cenkalti/backoff/v4 v4.2.0 // indirect
 	github.com/go-jose/go-jose/v3 v3.0.0 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
 	golang.org/x/crypto v0.14.0 // indirect
 	golang.org/x/mod v0.12.0 // indirect
-	golang.org/x/net v0.17.0 // indirect
-	golang.org/x/sys v0.13.0 // indirect
+	golang.org/x/sys v0.22.0 // indirect
 	golang.org/x/text v0.13.0 // indirect
 	golang.org/x/tools v0.13.0 // indirect
-	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect
 )
diff --git a/go.sum b/go.sum
index af696d9..fc0a859 100644
--- a/go.sum
+++ b/go.sum
@@ -1,79 +1,61 @@
 github.com/cenkalti/backoff/v4 v4.2.0 h1:HN5dHm3WBOgndBH6E8V0q2jIYIR3s9yglV8k/+MN3u4=
 github.com/cenkalti/backoff/v4 v4.2.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
+github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/go-acme/lego/v4 v4.10.1 h1:MiJvoBXNdmAwEK/SImyhwZ8ZL4IR0jtWDD1wST+N138=
 github.com/go-acme/lego/v4 v4.10.1/go.mod h1:EMbf0Jmqwv94nJ5WL9qWnSXIBZnvsS9gNypansHGc6U=
 github.com/go-jose/go-jose/v3 v3.0.0 h1:s6rrhirfEP/CGIoc6p+PZAeogN2SxKav6Wp7+dyMWVo=
 github.com/go-jose/go-jose/v3 v3.0.0/go.mod h1:RNkWWRld676jZEYoV3+XK8L2ZnNSvIsxFMht0mSX+u8=
+github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
+github.com/google/go-cmp v0.5.0 h1:/QaMHBdZ26BB3SSst0Iwl10Epc+xhTquomWX0oZEB6w=
 github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/miekg/dns v1.1.50 h1:DQUfb9uc6smULcREF09Uc+/Gd46YWqJd5DbpPE9xkcA=
-github.com/miekg/dns v1.1.50/go.mod h1:e3IlAVfNqAllflbibAZEWOXOQ+Ynzk/dDozDxY7XnME=
+github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
+github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
+github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
+github.com/mattn/go-isatty v0.0.19/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/miekg/dns v1.1.57 h1:Jzi7ApEIzwEPLHWRcafCN9LZSBbqQpxjt/wpgvg7wcM=
 github.com/miekg/dns v1.1.57/go.mod h1:uqRjCRUuEAA6qsOiJvDd+CFo/vW+y5WR6SNmHE55hZk=
+github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/rs/xid v1.5.0/go.mod h1:trrq9SKmegXys3aeAKXMUTdJsYXVwGY3RLcfgqegfbg=
+github.com/rs/zerolog v1.33.0 h1:1cU2KZkvPxNyfgEmhHAz/1A9Bz+llsdYzklWFzgp0r8=
+github.com/rs/zerolog v1.33.0/go.mod h1:/7mN4D5sKwJLZQ2b/znpjC3/GQWY/xaDXUM0kKWRHss=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
-github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
+github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
+github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20190911031432-227b76d455e7/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.5.0 h1:U/0M97KRkSFvyD/3FSmdP5W5swImpNgle/EHFhOsQPE=
-golang.org/x/crypto v0.5.0/go.mod h1:NK/OQwhpMQP3MwtdjgLlYHnH9ebylxKWv3e0fK+mkQU=
 golang.org/x/crypto v0.14.0 h1:wBqGXzWJW6m1XrIKlAH0Hs1JJ7+9KBwnIO8v66Q9cHc=
 golang.org/x/crypto v0.14.0/go.mod h1:MVFd36DqK4CsrnJYDkBA3VC4m2GkXAM0PvzMCn4JQf4=
-golang.org/x/mod v0.4.2 h1:Gz96sIWK3OalVv/I/qNygP42zyoKp3xptRVCWRFEBvo=
-golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.8.0 h1:LUYupSeNrTNCGzR/hVBk2NHZO4hXcVaW1k4Qx7rjPx8=
-golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/mod v0.12.0 h1:rmsUpXtvNzj340zd98LZ4KntptpfRHwpFOHG188oHXc=
 golang.org/x/mod v0.12.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
-golang.org/x/net v0.0.0-20210726213435-c6fcb2dbf985 h1:4CSI6oo7cOjJKajidEljs9h+uP0rRZBPPPhcCbj5mw8=
-golang.org/x/net v0.0.0-20210726213435-c6fcb2dbf985/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.7.0 h1:rJrUqqhjsgNp7KqAIc25s9pZnjU7TUcSY7HcVZjdn1g=
-golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
 golang.org/x/net v0.17.0 h1:pVaXccu2ozPjCXewfr1S7xza/zcXTity9cCdXQYSjIM=
 golang.org/x/net v0.17.0/go.mod h1:NxSsAGuq816PNPmqtQdLE42eU2Fs7NoRIZrHJAlaCOE=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sync v0.4.0 h1:zxkM55ReGkDlKSM+Fu41A+zmbZuaPVbGMzvvdUPznYQ=
+golang.org/x/sync v0.4.0/go.mod h1:FU7BRWz2tNW+3quACPkgCx/L+uEAv1htQ0V83Z9Rj+Y=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c h1:F1jZWGFhYfh0Ci55sIpILtKKK8p3i2/krTr0H1rg74I=
-golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.5.0 h1:MUK/U/4lj1t1oPg0HfuXDN/Z1wv31ZJ/YcPiGccS4DU=
-golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.13.0 h1:Af8nKPmuFypiUBjVoU9V20FiaFXOcuZI21p0ycVYYGE=
-golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
+golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
+golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
-golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.7.0 h1:4BRB4x83lYWy72KwLD/qYDuTu7q9PjSagHvijDw7cLo=
-golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.13.0 h1:ablQoSUd0tRdKxZewP80B+BaqeKJuVhuRxj/dkrun3k=
 golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
-golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.1.6-0.20210726203631-07bc1bf47fb2 h1:BonxutuHCTL0rBDnZlKjpGIQFTjyUVTexFOdWkB6Fg0=
-golang.org/x/tools v0.1.6-0.20210726203631-07bc1bf47fb2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/tools v0.1.12 h1:VveCTK38A2rkS8ZqFY25HIDFscX5X9OoEhJd3quQmXU=
-golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
-golang.org/x/tools v0.6.0 h1:BOw41kyTf3PuCW1pVQf8+Cyg8pMlkYB1oo9iJ6D/lKM=
-golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
 golang.org/x/tools v0.13.0 h1:Iey4qkscZuv0VvIt8E0neZjtPVQFSc870HQ448QgEmQ=
 golang.org/x/tools v0.13.0/go.mod h1:HvlwmtVNQAhOuCjW7xxvovg8wbNq7LwfXh/k7wXUl58=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 h1:H2TDz8ibqkAF6YGhCdN3jS9O0/s90v0rJh3X/OLHEUk=
-golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2/go.mod h1:K8+ghG5WaK9qNqU5K3HdILfMLy1f3aNYFI/wnl100a8=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/natefinch/lumberjack.v2 v2.2.1 h1:bBRl1b0OH9s/DuPhuXpNl+VtCaJXFZ5/uEFST95x9zc=
+gopkg.in/natefinch/lumberjack.v2 v2.2.1/go.mod h1:YD8tP3GAjkrDg1eZH7EGmyESg/lsYskCTPBJVb9jqSc=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/http/server.go b/http/server.go
index 44bb673..277904c 100644
--- a/http/server.go
+++ b/http/server.go
@@ -1,14 +1,16 @@
 package http
 
 import (
-	"log"
 	"net/http"
 	"os"
 	"strings"
 	"time"
+
+	"local-ip.sh/utils"
 )
 
 func ServeHttp() {
+	utils.Logger.Info().Msg("Waiting until \"local-ip.sh\" certificate is delivered to start up HTTP server...")
 	waitForCertificate()
 
 	go http.ListenAndServe(":80", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
@@ -44,8 +46,12 @@ func ServeHttp() {
 		w.Header().Set("Content-Type", "text/html; charset=utf-8")
 		http.ServeFile(w, r, "./http/static/index.html")
 	})
-	log.Printf("Serving HTTPS server on :443\n")
-	http.ListenAndServeTLS(":443", "/certs/root/server.pem", "/certs/root/server.key", nil)
+
+	utils.Logger.Info().Msg("Starting up HTTPS server on :443\n")
+	err := http.ListenAndServeTLS(":443", "/certs/root/server.pem", "/certs/root/server.key", nil)
+	if err != nil {
+		utils.Logger.Fatal().Err(err).Msg("Failed to start HTTPS server")
+	}
 }
 
 func waitForCertificate() {
@@ -56,7 +62,7 @@ func waitForCertificate() {
 				time.Sleep(1 * time.Second)
 				continue
 			}
-			log.Fatal(err)
+			utils.Logger.Fatal().Err(err).Msg("Unexpected error while looking for /certs/root/output.json")
 		}
 		break
 	}
diff --git a/utils/logger.go b/utils/logger.go
new file mode 100644
index 0000000..fc8c131
--- /dev/null
+++ b/utils/logger.go
@@ -0,0 +1,21 @@
+package utils
+
+import (
+	"os"
+	"time"
+
+	"github.com/rs/zerolog"
+	"gopkg.in/natefinch/lumberjack.v2"
+)
+
+var consoleWriter = zerolog.ConsoleWriter{Out: os.Stdout, TimeFormat: time.RFC3339}
+var fileWriter = &lumberjack.Logger{
+	Filename:   "/var/log/local-ip.sh.log",
+	MaxBackups: 3,
+	MaxSize:    1,    // megabytes
+	MaxAge:     1,    // days
+	Compress:   true, // disabled by default
+}
+var multi = zerolog.MultiLevelWriter(consoleWriter, fileWriter)
+
+var Logger = zerolog.New(multi).With().Timestamp().Logger()
diff --git a/xip/xip.go b/xip/xip.go
index 7bd9271..c9fae2f 100644
--- a/xip/xip.go
+++ b/xip/xip.go
@@ -2,7 +2,6 @@ package xip
 
 import (
 	"fmt"
-	"log"
 	"net"
 	"os"
 	"regexp"
@@ -10,6 +9,7 @@ import (
 	"time"
 
 	"github.com/miekg/dns"
+	"local-ip.sh/utils"
 )
 
 type Xip struct {
@@ -96,9 +96,9 @@ var (
 )
 
 func (xip *Xip) SetTXTRecord(fqdn string, value string) {
-	log.Printf("trying to set TXT record \"%s\" for fqdn \"%s\"", value, fqdn)
+	utils.Logger.Debug().Str("fqdn", fqdn).Str("value", value).Msg("Trying to set TXT record")
 	if fqdn != "_acme-challenge.local-ip.sh." {
-		log.Println("not allowed, abort")
+		utils.Logger.Debug().Msg("Not allowed, abort")
 		return
 	}
 
@@ -109,9 +109,9 @@ func (xip *Xip) SetTXTRecord(fqdn string, value string) {
 }
 
 func (xip *Xip) UnsetTXTRecord(fqdn string) {
-	log.Printf("trying to unset TXT record for fqdn \"%s\"", fqdn)
+	utils.Logger.Debug().Str("fqdn", fqdn).Msg("Trying to set TXT record")
 	if fqdn != "_acme-challenge.local-ip.sh." {
-		log.Println("not allowed, abort")
+		utils.Logger.Debug().Msg("Not allowed, abort")
 		return
 	}
 
@@ -180,7 +180,6 @@ func (xip *Xip) handleA(question dns.Question, message *dns.Msg) {
 	}
 
 	for _, record := range records {
-		log.Printf("(%s) %s => %s\n", flyRegion, fqdn, record.A)
 		message.Answer = append(message.Answer, record)
 	}
 }
@@ -390,14 +389,21 @@ func (xip *Xip) handleDnsRequest(response dns.ResponseWriter, request *dns.Msg)
 			message.MsgHdr.Rcode = dns.RcodeRefused
 		}
 
+		utils.Logger.Debug().Str("FLY_REGION", flyRegion).Any("question", request.Question).Any("answer", message.Answer).Msg("resolved")
+
 		error := response.WriteMsg(message)
 		if error != nil {
-			log.Printf("Error writing answer \"%s\": %s\n", message.String(), error.Error())
+			utils.Logger.Error().Err(error).Str("message", message.String()).Msg("Error responding to query")
 		}
 	}()
 }
 
 func (xip *Xip) StartServer() {
+	if _, exists := os.LookupEnv("FLY_APP_NAME"); exists {
+		// we're probably running on fly, bind to fly-global-services
+		xip.server.Addr = "fly-global-services" + xip.server.Addr
+	}
+
 	err := xip.server.ListenAndServe()
 	defer xip.server.Shutdown()
 	if err != nil {
@@ -413,9 +419,9 @@ func (xip *Xip) StartServer() {
 			return
 		}
 
-		log.Fatalf("Failed to start server: %s\n ", err.Error())
+		utils.Logger.Fatal().Err(err).Msg("Failed to start DNS server")
 	}
-	log.Printf("Listening on %s\n", xip.server.Addr)
+	utils.Logger.Info().Str("dns_address", xip.server.Addr).Msg("DNS server listening")
 }
 
 func NewXip(port int) (xip *Xip) {
@@ -426,7 +432,7 @@ func NewXip(port int) (xip *Xip) {
 	}
 
 	xip.server = dns.Server{
-		Addr: fmt.Sprintf("fly-global-services:%d", port),
+		Addr: fmt.Sprintf(":%d", port),
 		Net:  "udp",
 	}