www.durafon.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:03:a9:c5:7f:a6:f2:a7:95:6d:1f:7f:fa:5d:79:a0:df:c8 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): 03:03:a9:c5:7f:a6:f2:a7:95:6d:1f:7f:fa:5d:79:a0:df:c8Serial Number (int): 262583369898905330083589622122018383126472
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 7c:14:ab:51:f1:db:1e:fc:c1:81:e7:44:af:b3:6f:24:53:a1:cb:3e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 0d:69:b4:9d:03:3e:54:e6:92:ab:25:6c:fd:ca:88:bb:d2:ef:05:81
Fingerprint (sha256): e3:29:28:ec:e3:b7:07:9d:93:77:7e:e8:90:74:ff:f2:69:d6:10:eb:cd:47:bc:19:0c:fe:47:8d:a8:de:9c:48
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----- MIIGVjCCBT6gAwIBAgISAwOpxX+m8qeVbR9/+l15oN/IMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTIyMzU0MjRaFw0y MDAxMTAyMzU0MjRaMBoxGDAWBgNVBAMTD3d3dy5kdXJhZm9uLmNvbTCCAiIwDQYJ KoZIhvcNAQEBBQADggIPADCCAgoCggIBALj9+dVC9NnaDiPnnOQjtVvhzoO8UmOr AeZ0iEMcd78LszhVoKeqLC6gilctdr9xxMRQchbXvmw4ibqmT6JGaIBdYoDzeYYw 6VwMcEW8K2apieA/zP3/EPvveiY///l29+BXa/fpaxDitlRh+M9YLdQexSmFz8+n wExvRAG7EsORikj1UGtXaFzL/KjHtJvR56jtfvDaa/R9CPyrmhR7YEjAJcvJDpoS WYZse6VK2yy07oheflKthkaFWORNWTpyaZyy+AGGAuAVtUh3ORyj3iBZyIAkMFUZ S7br6sSOeBw986TH7EhR1XZLsQfAkXRq8VGr8imJ7d/kklEY1H+22GXsLcmkrnit pQzY9VXLhWdrLIwzFvyZFutEcKfNdkK90LNvskK2v6fVijuGVL++UjIHiXlrHniS 1VmWNE0hs8objw6jCc96cKo5Dy5dpZH16Ajo88SPcIAYFrPdWnrLIsDrCT8Sc0sx FbcCo8uerpfEN2ZC8+pacGvXRJrtBEkzTOR/CkIZM5dc9QzMUfyUpyL2QWKrLr9A rrnwtTt6ewYzyTCDJFAiaopTjFYjNXRe/kksvEEd3Qnke5xoisCBcYBsrkj/7C// /5OA8foipV70JUx5gJwbEN7BRotaXxBFCu5iKLKzY/uo2SWU+LJwziTdCSuCpc8Q 9ydhxXD9VEuVAgMBAAGjggJkMIICYDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYw FAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFHwU q1Hx2x78wYHnRK+zbyRTocs+MB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/z qOyhMG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50 LXgzLmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50 LXgzLmxldHNlbmNyeXB0Lm9yZy8wGgYDVR0RBBMwEYIPd3d3LmR1cmFmb24uY29t MEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUH AgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB 9QSB8gDwAHYAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz05UVH9HgAAAFtwpv4 AgAABAMARzBFAiBPZxd2iREUQnMbp4aLrSm1LEvD/zThT+L9ahAyqila7AIhAJ/Q ESskRHzz0QLldsnHQzti11DgMkJBAO9y0ytgEFNuAHYAXqdz+d9WwOe1Nkh90Eng MnqRmgyEoRIShBh1loFxRVgAAAFtwpv6aAAABAMARzBFAiA2ba23Rh3Gtaaltp2+ evI78FfFrMhRpjqWfYqRzASyJwIhAN/Qy+sQBTIe81VC18I1OI/ba7Hh2dFAxg1W b+WgZzDSMA0GCSqGSIb3DQEBCwUAA4IBAQAU5GBNqFtpmy5ajTWH3XBkLR46PdWp fZar6vPlaVu+KTsk4wuRZjZwHn1lbQb8AE1HQLpmNT+E7Ko/N84R0630VejWxDX/ p3/dJIkceCSJi9ibXurdiZjWULWpGOY+Gy9RzTqqLgTb654BDi6XCa8S74r2kFmd aFaOr4EFUVl83tNivbCg8Cl7IZ1vJLQMiZ5jFN31KvLtVafxaOrliFJnk0Q8lPq7 bx2ijQhEETtGoXNIXxTT8TMsEjvND+SYMrRqwE3vp+1Oz2QNXw8sutUBj63ICMLX OoWYWuG4IsvIKQCf/nCoBAnPjOj6yqfY90y+ScRh6U4Yi1p+GooLLk1K -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAuP351UL02doOI+ec5CO1 W+HOg7xSY6sB5nSIQxx3vwuzOFWgp6osLqCKVy12v3HExFByFte+bDiJuqZPokZo gF1igPN5hjDpXAxwRbwrZqmJ4D/M/f8Q++96Jj//+Xb34Fdr9+lrEOK2VGH4z1gt 1B7FKYXPz6fATG9EAbsSw5GKSPVQa1doXMv8qMe0m9HnqO1+8Npr9H0I/KuaFHtg SMAly8kOmhJZhmx7pUrbLLTuiF5+Uq2GRoVY5E1ZOnJpnLL4AYYC4BW1SHc5HKPe IFnIgCQwVRlLtuvqxI54HD3zpMfsSFHVdkuxB8CRdGrxUavyKYnt3+SSURjUf7bY ZewtyaSueK2lDNj1VcuFZ2ssjDMW/JkW60Rwp812Qr3Qs2+yQra/p9WKO4ZUv75S MgeJeWseeJLVWZY0TSGzyhuPDqMJz3pwqjkPLl2lkfXoCOjzxI9wgBgWs91aessi wOsJPxJzSzEVtwKjy56ul8Q3ZkLz6lpwa9dEmu0ESTNM5H8KQhkzl1z1DMxR/JSn IvZBYqsuv0CuufC1O3p7BjPJMIMkUCJqilOMViM1dF7+SSy8QR3dCeR7nGiKwIFx gGyuSP/sL///k4Dx+iKlXvQlTHmAnBsQ3sFGi1pfEEUK7mIosrNj+6jZJZT4snDO JN0JK4KlzxD3J2HFcP1US5UCAwEAAQ== -----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 262583369898905330083589622122018383126472 . . . . . . . . [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 2019-10-12 23:54:24 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 23:54:24 +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 754701896469345418962453405123007310639215559320621859531909989455162984258230122457279220483862970349826312376036562128933507597378442357544351410176679183630597426259011691111652734286749487048352727997741939016595820214864287320394482246398926749279468873696232405394392469055057963560126292775693059291937792785629633797139383736166289441826289322338471321979522665913709085456295957063388450277464378244567890310704565695713587896043848821116292697085679504638508084506268102385556747553468683711547006165980247693238115738034385755043624273068585370425001286542970067275745263719826005505019513051100258317854461757440011045296563437495107567403997590059035948098913912541183513289551862664386363590903655751019546750973075917918025270206908940407878629229881272399139910175718994827700581230988473878139239163610446949376501087748811707067274907032678732408843734924316945855670898047811367378313088901848733957579064985828060265268064016747469825206665767115414568166607665200515995415957301240958048965702416302832561987718363160218461991178002948608458142212797740095877361911856475078635104121656794092140321548529766228245383511980795782653222827722340729493691284502438044226193914551189181434264473104524665079054224277 . . . . . . . . . . . . . . . . . . . . [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) 7c14ab51f1db1efcc181e744afb36f2453a1cb3e . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc29bf802000004030047304502204f67177689111442731ba7868bad29b52c4bc3ff34e14fe2fd6a1032aa295aec0221009fd0112b24447cf3d102e576c9c7433b62d750e032424100ef72d32b6010536e0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dc29bfa6800000403004730450220366dadb7461dc6b5a6a5b69dbe7af23bf057c5acc851a63a967d8a91cc04b227022100dfd0cbeb1005321ef35542d7c235388fdb6bb1e1d9d140c60d566fe5a06730d2 . . . . [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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