28911.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:9d:9b:ce:2d:78:ec:6a:db:a4:90:3a:b3:10:c7:39:5f:6c 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=28911.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:9d:9b:ce:2d:78:ec:6a:db:a4:90:3a:b3:10:c7:39:5f:6cSerial Number (int): 314968290276656578150138604019251439820652
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 6f:11:90:d7:0d:14:19:11:19:eb:fc:6d:cd:b6:ab:d8:c9:43:bd:32
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 2f:f9:b1:4f:2a:8f:91:23:cd:fb:75:bf:f4:06:3b:e3:cb:05:3d:ba
Fingerprint (sha256): 4d:1b:d6:e1:58:de:d7:fc:04:c7:1f:f1:ac:86:b4:6b:49:02:5a:b0:d8:4e:c8:08:3a:b0:de:ef:9f:8c:4e:94
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate 28911.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for 28911.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
28911.com
Other certificates including the domain name 28911.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for 28911.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGSTCCBTGgAwIBAgISA52bzi147GrbpJA6sxDHOV9sMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMjAxMDE3MjVaFw0y MDA0MTkxMDE3MjVaMBQxEjAQBgNVBAMTCTI4OTExLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBAOJjF86QklDBd3mIc2nnVc2yxXwDii/bYS334S9W 09Op+Y4C+wD84XqP1R7yN6lAobDxCJnf+zgrOXgITigGkqa4VuGoIUXl0/5qMgI4 nFef0b6Vsau3TDgT3kx5A97rBc1Z0pAshCMTo2DD2zxhFUvEX/esteI64jc6666Y D7MzTaJHP7TW2p5ngD6GhYEFSyXKOW6DqmgAhQOJv+AehVjWTF9wsrtTbULeBPIm 5wSPdu079A6dcWyFP+wb052rlMjr5mIitafkK67C82sFO19fMfjg6jkqnaR7Ab6o rpZkB/4VUckeWFhNrDom07DsE83Iug8SfNp+l3qzPjGlPsHKG6bsQEXt6BNfy3Hy 6m4pNJQHNZRngnGxwuW/TAIRyPvSgH+X9tw0wMYdTiB2IYWKtuV92AbvvVXatVR6 nYZ3oGAQtFloZMrtV8/VtKWSQVxy7eU9UW0mnq9Zd5rvNVKXOAjcGU7mgW+Xjd1g LzpWAZVzO1Y+0xoX9C8fHWBzSIdg8BZ3FVzib0Ot+5fodAVaiQl9D3cbEX4SBqyl SjQ50R5PEoJOkxX1tSIF2ly08CCGKtEbeF3WtXCb/KDKWZPGfPwj/dFTIpEc4iWy tr7EtlBaKjtYNDSgTnD6SlYUsx6b94eLPHg/FstGNXTb9memIZ0wQZe4y/ZvW9Pp S3tfAgMBAAGjggJdMIICWTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFG8RkNcNFBkR Gev8bc22q9jJQ70yMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJMjg5MTEuY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBAwYKKwYBBAHWeQIEAgSB9ASB8QDvAHUAsh4F zIuizYogTodm+Su5iiUgZ2va+nDnsklTLe+LkF4AAAFvwqvtzgAABAMARjBEAiAs Hhf8iXz7+LxXk7weRBKf5kspQFe0IvXpnarofuKZ2gIgfxsDT780eHPPwdkAd9R9 mDzUUaeBiEpFLWI1RwlrLY4AdgBvU3asMfAxGdiZAKRRFf93FRwR2QLBACkGjbII mjfZEwAAAW/Cq+39AAAEAwBHMEUCIE1d2diJ//BEe7JUFeSTnZsW1wecudLbg7Aq pDusjlsYAiEAoRkuWCEeHlHZh0KdY67qxp+yLJwCR0jD23Bk0Lg7aD4wDQYJKoZI hvcNAQELBQADggEBABEhnjCipMu5zcPkuQfrtQpy9rsXSfHQmxaPDlsqDqVYvNt8 8kjT2SCERplyZTvOUNUHlErepqu9w3dkmximcllgqXnle/EjNiJti+A8hOhx5eOt v8jRydb3+rd6UAVUhR46Quh/o/CxpwRgVH5lHL2j5CDG8DzmoXcOxBAyJbJaV8o6 saCRrPtBO5/4bdDnQwmGB5AtWCNCsWThNKUPhgMbYdFRTx17BOBsgp4+Q82Pfww6 jBEAdACMgJMuZJyGbtWxn6RuxHR0Z+w09ch/5msNPJ0JM7LPDhrb7BVT3Ef2bLvY 2yX4AuyWfwdmzItxJFsv0sjXujWVSXUes0eyN4g= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA4mMXzpCSUMF3eYhzaedV zbLFfAOKL9thLffhL1bT06n5jgL7APzheo/VHvI3qUChsPEImd/7OCs5eAhOKAaS prhW4aghReXT/moyAjicV5/RvpWxq7dMOBPeTHkD3usFzVnSkCyEIxOjYMPbPGEV S8Rf96y14jriNzrrrpgPszNNokc/tNbanmeAPoaFgQVLJco5boOqaACFA4m/4B6F WNZMX3Cyu1NtQt4E8ibnBI927Tv0Dp1xbIU/7BvTnauUyOvmYiK1p+QrrsLzawU7 X18x+ODqOSqdpHsBvqiulmQH/hVRyR5YWE2sOibTsOwTzci6DxJ82n6XerM+MaU+ wcobpuxARe3oE1/LcfLqbik0lAc1lGeCcbHC5b9MAhHI+9KAf5f23DTAxh1OIHYh hYq25X3YBu+9Vdq1VHqdhnegYBC0WWhkyu1Xz9W0pZJBXHLt5T1RbSaer1l3mu81 Upc4CNwZTuaBb5eN3WAvOlYBlXM7Vj7TGhf0Lx8dYHNIh2DwFncVXOJvQ637l+h0 BVqJCX0PdxsRfhIGrKVKNDnRHk8Sgk6TFfW1IgXaXLTwIIYq0Rt4Xda1cJv8oMpZ k8Z8/CP90VMikRziJbK2vsS2UFoqO1g0NKBOcPpKVhSzHpv3h4s8eD8Wy0Y1dNv2 Z6YhnTBBl7jL9m9b0+lLe18CAwEAAQ== -----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 314968290276656578150138604019251439820652 . . . . . . . . [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 2020-01-20 10:17:25 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-19 10:17:25 +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 '28911.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 923578716216294014749107327714247739743966514702805284243760323298118250462761551549184240439303853873696043207146199303131274826936926597280955098719290410714062340947129644701962666370602594301238975908467095759246669739697238640499002353897396092479321537083529764159498254595379000065789689574383873785377835799116338000622011136500678479051128890106234476024968588520899029320523476877737853881458943083170392770524859465232170911737143570410675081494410429912546511731915516970941639115842522572598196048485203946114571730297782060888422131320455845044157836480203597056966483726318928775978441509763396318623937592079690595867636903281363590139788713867382734641048259374367266188322146620216217859011922404085069981108465988515585524948372502038818324088385841065549457489390473172655048084286076800739171748316493295278627994058659287743055031860954342600486160719866871320599491642733688544137180648989768737918513263203489202090958723420347143173658707312827407721593578078496904754437482640317617039565484794170715547119927408789189887100066676649575867993518283190669059004450018779462355538389047203125113288372765443708673131859899698762258116533415927756470651372807807860930716902484583654896187273733140784941333343 . . . . . . . . . . . . . . . . . . . . [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) 6f1190d70d14191119ebfc6dcdb6abd8c943bd32 . . . . . . . . . . . . . . . . [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 (13 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '28911.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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016fc2abedce000004030046304402202c1e17fc897cfbf8bc5793bc1e44129fe64b294057b422f5e99daae87ee299da02207f1b034fbf347873cfc1d90077d47d983cd451a781884a452d623547096b2d8e0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016fc2abedfd000004030047304502204d5dd9d889fff0447bb25415e4939d9b16d7079cb9d2db83b02aa43bac8e5b18022100a1192e58211e1e51d987429d63aeeac69fb22c9c024748c3db7064d0b83b683e . . . . [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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