www.28921.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:ef:40:2d:5e:24:1b:e9:27:5f:d5:0c:02:3c:c0:9f:65:63 was issued on by Let's Encrypt.
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We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=www.28921.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:ef:40:2d:5e:24:1b:e9:27:5f:d5:0c:02:3c:c0:9f:65:63Serial Number (int): 342749649643881255945419124904454147499363
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: b1:9b:0c:2b:0b:34:58:94:f5:b4:2b:bd:e9:9b:89:0a:2f:35:8d:09
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 13:53:2f:ea:f2:33:3c:c1:b8:7f:99:07:4a:be:7c:1f:ee:6b:94:4f
Fingerprint (sha256): 74:5c:b4:9f:5c:9f:0b:2f:3c:fd:46:02:bb:bd:3d:99:85:d1:0f:ec:61:f7:00:58:30:fd:ea:b0:0f:ec:61:4e
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.28921.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.28921.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.28921.com
Other certificates including the domain name 28921.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.28921.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUjCCBTqgAwIBAgISA+9ALV4kG+knX9UMAjzAn2VjMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA4MjUxNzQwMDdaFw0x OTExMjMxNzQwMDdaMBgxFjAUBgNVBAMTDXd3dy4yODkyMS5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDteIn5KP2zAh2OmMR5AeVWxmieFA82tA5j Mf1Rnv/Qib7efDhxjCP13Yjl72PuED25EJJdLiE6VSUqWqUIilN9AOOBe5Bdg/LY SwRIRsNPTw6zDAWQSLrdf77Twh4N1CsAmh6GDIxz2F89AZOqCfovSIHQ++ih+k/c +7XEfqwzO97qjqREvBTlYpkF+sTvYdGt1dNS+KuFGd05/np1NAglFP1R5zd/qimr iOeCUqiqC5qRFsuXePqemvVKOg14ywY/YrK0Mjxdn2/DIkiGQ/+0VPYcAqORHzQr FzGG4BTRuovpc9PcyJT+O5EnxiJeYMhZbg53Qp6ryqsKpo8nw473tqNnqTpGn5s0 pvANf6CR3J8bu3mfj5bsC6L2I6T8WEa8qi6aBO7y/XjrHhF/eLTJny055/leoD5e KXf8pETw/2aJLPLCPgLT5V2Md0YVl9fZdW5kzAn43Q4uWq9nBoTaBaIFThzUs/jr uZOefq3h5+xLbDRidMaV7W6S1wE1RP601i7CKmnUtKEbebIeH/fBIMlDec+UmJUI /EVkcXDSNeea/tEqQs5YU4iz6k024odG28niyc72GmZ359/x8Z+RLlQm+WybadUr irxBSAy3A2q0z64bZuCXeyN7z4AdvAGChLseKPQKhZiZUb9eakDoSGNfs8N/m70+ upxx1F4gJQIDAQABo4ICYjCCAl4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSxmwwr CzRYlPW0K73pm4kKLzWNCTAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy4yODkyMS5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHy APAAdQDiaUuuJujpQAnohhu2O4PUPuf+dIj7pI8okwGd3fHb/gAAAWzKFAyrAAAE AwBGMEQCIDApdNMMpsqNylqBdm1PFmi+dGcQy7nllaM3BiVCSjTJAiAPdVb7NiBM PcyK1oIwc91hcc+YBBpnqburazxzE5YVlQB3AGPy283oO8wszwtyhCdXazOkjWF3 j711pjixx2hUS9iNAAABbMoUDM0AAAQDAEgwRgIhAJ9xD1DwKLTBFgM4CGcov253 GM8Q+ZlWeww+PNV6KUpaAiEAxWmNy5ZlMVTNma3rITqbh5U1xPO6mKPO55wNAn7S HdgwDQYJKoZIhvcNAQELBQADggEBADswlPi5or9On0aoRid5C1VFHa4w9+H9q1V1 HX21u9/9pZRIVxPjEYPjV/0hwSqp3/HvetAuZdWPtsCEFVlsmcZBOJhBybQzUZyl Br51DFdhxXfF5/csHmLdzhqP9PpWAIMrxDj7Z3DCUl3IMcL/a4M4pelD5s39NpHR i6oHrVNWe2OXWhvyDuyoSIdaKSEtTZJovvHJLIqZ1PvtOYbZOHdmDp1fgm/O3WRS C+BWTAQkSU8EMHfG79UkVOz1ZuwiKnAE+pv4ovgoVrtfz2eSsSuUgwwoDks699UN m4ysuX9LC181kwsJb5rJRHvBP8dNhUYzHFE6NrOcDVcA08FPiiI= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA7XiJ+Sj9swIdjpjEeQHl VsZonhQPNrQOYzH9UZ7/0Im+3nw4cYwj9d2I5e9j7hA9uRCSXS4hOlUlKlqlCIpT fQDjgXuQXYPy2EsESEbDT08OswwFkEi63X++08IeDdQrAJoehgyMc9hfPQGTqgn6 L0iB0PvoofpP3Pu1xH6sMzve6o6kRLwU5WKZBfrE72HRrdXTUvirhRndOf56dTQI JRT9Uec3f6opq4jnglKoqguakRbLl3j6npr1SjoNeMsGP2KytDI8XZ9vwyJIhkP/ tFT2HAKjkR80KxcxhuAU0bqL6XPT3MiU/juRJ8YiXmDIWW4Od0Keq8qrCqaPJ8OO 97ajZ6k6Rp+bNKbwDX+gkdyfG7t5n4+W7Aui9iOk/FhGvKoumgTu8v146x4Rf3i0 yZ8tOef5XqA+Xil3/KRE8P9miSzywj4C0+VdjHdGFZfX2XVuZMwJ+N0OLlqvZwaE 2gWiBU4c1LP467mTnn6t4efsS2w0YnTGle1uktcBNUT+tNYuwipp1LShG3myHh/3 wSDJQ3nPlJiVCPxFZHFw0jXnmv7RKkLOWFOIs+pNNuKHRtvJ4snO9hpmd+ff8fGf kS5UJvlsm2nVK4q8QUgMtwNqtM+uG2bgl3sje8+AHbwBgoS7Hij0CoWYmVG/XmpA 6EhjX7PDf5u9PrqccdReICUCAwEAAQ== -----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 342749649643881255945419124904454147499363 . . . . . . . . [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 2019-08-25 17:40:07 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-23 17:40:07 +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.28921.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 968796566173533547603319392253531465919177387070179833523792531378223822302508524435374192191397799446453092005466562793731635284356144828195854428813320771071838621273433227095344987002600473168293402708654306351565851983920629045237644681387945380868856273027980383610608013305153320071167720732874468793131774623038724041381504073441408248458351184777343329436394898872625722473892700026300264675175147243064865148507849549683552456577043604525106217469864488982293225668955645500159932984546246821765456007513665285321589505824130832133541928897950072236913929428854317764536055757561399114338928015981397437105855526316737632502023302101800387289192820711916035064848711864098910955124960474783607636840962025471960832703583633762529600453870919613039499451379192429966188508151855654592773306332739444361105230280227776119043538247468387203444006855970707858803836122870639337054118560935469839333810863327454449838624738100582380406246346708564230782407543251275693375279086692315263200468477068019191155494527372855697203875123275119071109817922203305191416043069761199299710082676768308876514488310213671666988507164222792141252583967389340765298336845271735616001763240558374910556549393031328883219893125274754463433629733 . . . . . . . . . . . . . . . . . . . . [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) b19b0c2b0b345894f5b42bbde99b890a2f358d09 . . . . . . . . . . . . . . . . [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.28921.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) 00f0007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016cca140cab00000403004630440220302974d30ca6ca8dca5a81766d4f1668be746710cbb9e595a3370625424a34c902200f7556fb36204c3dcc8ad6823073dd6171cf98041a67a9bbab6b3c731396159500770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016cca140ccd00000403004830460221009f710f50f028b4c1160338086728bf6e7718cf10f999567b0c3e3cd57a294a5a022100c5698dcb96653154cd99adeb213a9b879535c4f3ba98a3cee79c0d027ed21dd8 . . . . [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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