www.durafon.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:cf:a9:5c:e9:41:8e:e5:7d:b6:54:eb:16:1b:23:65:93:31 was issued on by Let's Encrypt.
This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=www.durafon.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:cf:a9:5c:e9:41:8e:e5:7d:b6:54:eb:16:1b:23:65:93:31Serial Number (int): 332000429701509130386785760706898822533937
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 59:bc:38:00:59:2d:4d:57:11:eb:21:04:8e:fd:2f:73:e6:ed:fd:2d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): a6:e6:cb:59:42:c5:df:57:55:36:89:6b:84:7b:30:dd:fe:87:4f:f4
Fingerprint (sha256): 41:4c:2d:37:a3:cf:13:03:e8:db:ce:01:6e:03:99:2d:5b:54:77:40:4e:84:5d:45:b0:14:41:7b:e7:dc:50:55
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.durafon.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.durafon.com
Public Key Algorithm
RSA
Key Size
4096
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
www.durafon.com
Other certificates including the domain name durafon.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.durafon.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGVzCCBT+gAwIBAgISA8+pXOlBjuV9tlTrFhsjZZMxMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMTcxMzI0MjNaFw0y MDA1MTcxMzI0MjNaMBoxGDAWBgNVBAMTD3d3dy5kdXJhZm9uLmNvbTCCAiIwDQYJ KoZIhvcNAQEBBQADggIPADCCAgoCggIBAMY7umHmmAItH3rUcLx9T9JPbkFQIshp mFZo3xziJXZKBs1Al1us6Mq2JRRdkgGDtkY+CHm22WrPXsVJQgQYecD6XIF2I4m4 N5spip9koDIqoaFzWXoymPa7wKKDoUwAP2FoSYW0e6y7eGcy6s0814aZ2g9Kn57F A/6ZxzAJgbhG7QJQh+ra0ACkuT+BxKVfKIMFySgAZk75qTHRIlpplG/zjVrXCOo1 u71ocOTza6UMShnvaDtLOWfeN4EhGzmtFT9+7cZsnjDmhvQ/8AwQcmIGDWH7pWgI 763K4x4UQU+DJfCxgBuKRMIUmjWluoPY9ip71NrXEA4bmoAFHaCEAGfV1fEdK/D0 uza4FMSUKkskqsgVuMgQxG+j4f+i4xaXroJFCFVN+l3/DnidQD4jco3XM4bDkepy rlkuILX1lmPAkSwLe02W3Eka/GEzgEclj/F/1BRIZiwIHG7kjYsoHIQNzSOZOioU kxTagIQ/zFOIUMnHym8nGG0Ro8wvJkL7hjw6hks4wzTBXs5MbG0zZUh4OrP4Qa6S Pqx6si5dQSGU09Lqo+kCpZ5/V7wEBjAtrRe5t5jVs+OB9awoQsNr//GhQzSg2Dfh bhEIbuF1BCkw2GahG3j9t/XBYYlUmCns2Vrt5hZJ7owlNpm7b457HGWOlhQG3JR4 gCTpgR2qq+UnAgMBAAGjggJlMIICYTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYw FAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFFm8 OABZLU1XEeshBI79L3Pm7f0tMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/z qOyhMG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50 LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50 LXgzLmxldHNlbmNyeXB0Lm9yZy8wGgYDVR0RBBMwEYIPd3d3LmR1cmFmb24uY29t MEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUH AgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHWeQIEAgSB 9gSB8wDxAHcAXqdz+d9WwOe1Nkh90EngMnqRmgyEoRIShBh1loFxRVgAAAFwU4kq +QAABAMASDBGAiEA2VYlTOsuOY5J7TjAg7qeUrgVW3m28GyB28iSYQsIDQQCIQDV KwOz0mpWxip5A2LZbwcfYh0Izeok51UWkkWmuI3KJgB2AAe3XBvlfWj/8bDGHSMV x7rmV3xXlLdq7rxhOhpp06IcAAABcFOJKw8AAAQDAEcwRQIhAO0WZ9Eh7Ai8Z7ZP DIVemWEVCv+ZFDDFlnzRSJfVfS+YAiAS2fI0/hT3Q8b8bIPwhnkfU1TZTkEYeKVT EQT33+LkuzANBgkqhkiG9w0BAQsFAAOCAQEAe8gNJsqbySNuXmD+ZU86eTpiUVoK 9xf9e4Tu8MpUZXUMlTjb1i+Fy0+CzCd3JAGxtCDZpU8GZL/GLBoZr6uEopAH7lk3 AnPnAlnmGUoVHg/d6UnwWl8r3axXBaoPUv0ybsAYmCNWS/xNc17ieaCftiuEY5Yc iy4T/uEhgr+RekYdHlOjBdWLDpk8oKtficwSdbb/2Udn1eiF0GH4l6zu6qLtYwXl +95ZmsfWm+MTv4r8YiEiu6XRLgd+O3DyuOXXJH43ku1lITtMyYTmqO73Ojr+Q3/1 Ru80O70Q3mSjcFBT/tHVYgTOO5Gzd1OTV/MtzX5rrBjbGvkBGedNqh1cLw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAxju6YeaYAi0fetRwvH1P 0k9uQVAiyGmYVmjfHOIldkoGzUCXW6zoyrYlFF2SAYO2Rj4IebbZas9exUlCBBh5 wPpcgXYjibg3mymKn2SgMiqhoXNZejKY9rvAooOhTAA/YWhJhbR7rLt4ZzLqzTzX hpnaD0qfnsUD/pnHMAmBuEbtAlCH6trQAKS5P4HEpV8ogwXJKABmTvmpMdEiWmmU b/ONWtcI6jW7vWhw5PNrpQxKGe9oO0s5Z943gSEbOa0VP37txmyeMOaG9D/wDBBy YgYNYfulaAjvrcrjHhRBT4Ml8LGAG4pEwhSaNaW6g9j2KnvU2tcQDhuagAUdoIQA Z9XV8R0r8PS7NrgUxJQqSySqyBW4yBDEb6Ph/6LjFpeugkUIVU36Xf8OeJ1APiNy jdczhsOR6nKuWS4gtfWWY8CRLAt7TZbcSRr8YTOARyWP8X/UFEhmLAgcbuSNiygc hA3NI5k6KhSTFNqAhD/MU4hQycfKbycYbRGjzC8mQvuGPDqGSzjDNMFezkxsbTNl SHg6s/hBrpI+rHqyLl1BIZTT0uqj6QKlnn9XvAQGMC2tF7m3mNWz44H1rChCw2v/ 8aFDNKDYN+FuEQhu4XUEKTDYZqEbeP239cFhiVSYKezZWu3mFknujCU2mbtvjnsc ZY6WFAbclHiAJOmBHaqr5ScCAwEAAQ== -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 332000429701509130386785760706898822533937 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-17 13:24:23 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-17 13:24:23 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.durafon.com' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 808721358322557051288242653024450285715029120374399220088557896880477567455408245908666354691103772737410494106842113011067428490052447902814551711760282229769193412731369398328206568841410170819324287062299261695604391377933785665411294200308595560434338785791529475475760056105005570587449708808367371814093068956541682100179026280631597360443683233970622178417750265143726428789875579685769388961273912045196004318836092284751326498509460977382016203087683282807936722579016405894632340983963132762524186668337279700482069495644744240066934444320779147116756772026122883809571306238605488709562922960115265301437606831297938899260381555082850458894196481537286752752501039644198052112545424284090409794027756193730133913749914515175849861669251352294702582252462969727403765337562331728173838083112982858454449889710266363141933139906513399326806949716529268819661611494211943970409693735465758586936467058191295069022104575982917599449584909238219390153555000526742525814552160320979223285363013955214210272794080724570412528049624681352335330893252287790015583172613243174890317039118522778595293787357202292222226273450813119646088330502965285028202902850744481708821607818087621706403005296247570745249254737224966661617739047 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits) 05a0 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) 59bc3800592d4d5711eb21048efd2f73e6edfd2d . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (19 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.durafon.com' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000017053892af90000040300483046022100d956254ceb2e398e49ed38c083ba9e52b8155b79b6f06c81dbc892610b080d04022100d52b03b3d26a56c62a790362d96f071f621d08cdea24e755169245a6b88dca2600760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000017053892b0f0000040300473045022100ed1667d121ec08bc67b64f0c855e9961150aff991430c5967cd14897d57d2f98022012d9f234fe14f743c6fc6c83f086791f5354d94e411878a5531104f7dfe2e4bb . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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