www.duraf.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:00:1f:a3:14:c6:46:f4:56:88:d7:ae:32:99:6d:71:09:d4 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.duraf.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:00:1f:a3:14:c6:46:f4:56:88:d7:ae:32:99:6d:71:09:d4Serial Number (int): 348491196560655587743552110082509730023892
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 7e:86:66:bc:58:b8:2b:5c:6c:16:de:8a:59:78:f4:c7:79:2f:74:b8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): f2:8d:8f:dd:05:6b:aa:1b:8e:0a:6a:f3:56:e4:ca:da:77:7f:2f:26
Fingerprint (sha256): c7:1b:18:23:ea:a0:78:76:f7:ef:c4:2b:66:c4:70:5f:84:1f:57:0d:43:8f:a2:81:df:20:de:a6:15:9c:e2:91
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.duraf.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.duraf.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.duraf.com
Other certificates including the domain name duraf.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.duraf.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUjCCBTqgAwIBAgISBAAfoxTGRvRWiNeuMpltcQnUMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMTYwNzQ0MDhaFw0y MDAzMTUwNzQ0MDhaMBgxFjAUBgNVBAMTDXd3dy5kdXJhZi5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQC5HF6Q1j0ODsRg1q3NmVPlXwOwNz4nlH7S Pv9WEtSMV52gonLqDVYSEunC3LcomL2H8QWvPg1vqZ8eRmmyRHmkZH3mZmJ61I7O U1cr+R0dOrUj/BCArVVaPO/NlqsnIIbXdwc2XVf5Rx8YMl1K91alRVNb4PLCllSk 2982zhq/SkCilnw0CPhWegYnJ3OCX5vgQG5Qr7h/ftw/bRV0PR7V8h9jine7Rf1M i9HiVP3tdTQXvB2F7A2HHNOprHko3uFP754onutLT8wCMgcuyethitlVckF7qpYM uv47VR2glWUvTUTnLW4lTauer+piZTXDmmjm9Iw49k7wXYa9936ctw8L0LP5Dj/7 8SxGlGN4w5ivJOFKYvcSMeiPNpZJodCCzjRDJchEzrL58Jfr3+DRe5kBxCzn/L6l lDQFUCqun3chAIksKJMQjOhnSJng8KcHkfshN2jG6mRt3frxY66xKXS3TtbvOpt5 DEaw/d3TMdkEFcKrBebG8n2KX9PlixZLsizrtMxEk0TGT0JHiYYdw7EvDZzUAA5o jtYCJLdfvZ7j1i28KFzJk4OmwUmqQAZ6I/R1O0ZSOEJCyI7n3kIvSTsfqFJOz7uF sA1sw4l928HFGQWvGvyCkfqwyhKH7GAX8rzXFCGIR9/M9+hZkMSrzmAYt1f7rciU DYvsboY90QIDAQABo4ICYjCCAl4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBR+hma8 WLgrXGwW3opZePTHeS90uDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy5kdXJhZi5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHy APAAdwCyHgXMi6LNiiBOh2b5K7mKJSBna9r6cOeySVMt74uQXgAAAW8N4QVHAAAE AwBIMEYCIQCPbEsojo21LLU/HiIJP/RmUyR79T4B9NcXAwblvYfbrwIhAN4d3jc6 Uq6XiiBwdY+z5jnDC5jiJp4OrVQFv6+ZrHYnAHUAb1N2rDHwMRnYmQCkURX/dxUc EdkCwQApBo2yCJo32RMAAAFvDeEFcQAABAMARjBEAiBy+5oegLQbLxWqRglWbzMY 4rPSWAtMRWLm1zEIhO5KwAIgbad6dFWB/UNRVH89V9oL4Dqn98eHwDidJ7LqDDZA X9UwDQYJKoZIhvcNAQELBQADggEBABuA58i6O7/NtAzzlKUwk14IWH6GGX2ptazG gl0FtyMy6AEO1FBe7UUKsVT2RziIEazuyVZJPyoKYOzx+vvOiux5xtGKPQ8cedxG KF67BlGkbGRnuIyqj0/WLHxUsXmhbZTP29NL3JnwXkZF+Y1LiiNxJLzTrqMP9t/z 4VjUVDgvui5MlmqKTyYlvcw75t8COV009ZrSFrTi2MnPCtCBKfOVg6O4d0PFPbBN h9xU3UC0K3OrxLXZ1IrkK27YfzrB/q+niqbBgYniz3Ut1535Oln/hibEsrdgghmy He48pP4z5hJXE+RJvbYVpcPKakCoNp7He2ZMIoSuBzdZ7lPl604= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAuRxekNY9Dg7EYNatzZlT 5V8DsDc+J5R+0j7/VhLUjFedoKJy6g1WEhLpwty3KJi9h/EFrz4Nb6mfHkZpskR5 pGR95mZietSOzlNXK/kdHTq1I/wQgK1VWjzvzZarJyCG13cHNl1X+UcfGDJdSvdW pUVTW+DywpZUpNvfNs4av0pAopZ8NAj4VnoGJydzgl+b4EBuUK+4f37cP20VdD0e 1fIfY4p3u0X9TIvR4lT97XU0F7wdhewNhxzTqax5KN7hT++eKJ7rS0/MAjIHLsnr YYrZVXJBe6qWDLr+O1UdoJVlL01E5y1uJU2rnq/qYmU1w5po5vSMOPZO8F2Gvfd+ nLcPC9Cz+Q4/+/EsRpRjeMOYryThSmL3EjHojzaWSaHQgs40QyXIRM6y+fCX69/g 0XuZAcQs5/y+pZQ0BVAqrp93IQCJLCiTEIzoZ0iZ4PCnB5H7ITdoxupkbd368WOu sSl0t07W7zqbeQxGsP3d0zHZBBXCqwXmxvJ9il/T5YsWS7Is67TMRJNExk9CR4mG HcOxLw2c1AAOaI7WAiS3X72e49YtvChcyZODpsFJqkAGeiP0dTtGUjhCQsiO595C L0k7H6hSTs+7hbANbMOJfdvBxRkFrxr8gpH6sMoSh+xgF/K81xQhiEffzPfoWZDE q85gGLdX+63IlA2L7G6GPdECAwEAAQ== -----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 348491196560655587743552110082509730023892 . . . . . . . . [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 2019-12-16 07:44:08 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-15 07:44:08 +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.duraf.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 755186250413285694212718465837437212389260661132961020837202906649200694852178828416843544387365297275419663409307359544380789470199036758303811445487398498163116499534072657374298337893549240989391773762164827882069948656340089195261334676101914636635730648380729098342097239078963072514647892518659513308944195233262501603563800280112647157608821861199030803616108111396088894291284264650643086819280683517520320700162853506253780943325987609606450791644895893133572394432190529124432051854085964895563023892249884563237474446544613502234421040298643293823714179475422642105888444205858369340009803225642118848239427671652785990716532786817608057468508786175657009237371904556158780745139435605914385565314130381086995825386464193254553467769240414577748681675390855940829940210582855586064303292965204143247962799564668739188449925073735596589099037958212251326247364733236023881957048142113559080453587618959040655072041897624977284031713122132069098062550784164547705826032987776036818631969538903198619191209629290431096616857324353229324915939624225607340986271451640332027383245711557299146301738607592146094902953246303333165362566320962901030485977734024251486610159989135268271430474630118414860491732400861506116633640401 . . . . . . . . . . . . . . . . . . . . [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) 7e8666bc58b82b5c6c16de8a5978f4c7792f74b8 . . . . . . . . . . . . . . . . [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 (17 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.duraf.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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f0de1054700000403004830460221008f6c4b288e8db52cb53f1e22093ff46653247bf53e01f4d7170306e5bd87dbaf022100de1dde373a52ae978a2070758fb3e639c30b98e2269e0ead5405bfaf99ac76270075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f0de105710000040300463044022072fb9a1e80b41b2f15aa4609566f3318e2b3d2580b4c4562e6d7310884ee4ac002206da77a745581fd4351547f3d57da0be03aa7f7c787c0389d27b2ea0c36405fd5 . . . . [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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