28911.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:4e:b6:e8:69:39:ed:0d:ef:f5:ec:9c:6d:0c:ac:13:94:6a 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): 03:4e:b6:e8:69:39:ed:0d:ef:f5:ec:9c:6d:0c:ac:13:94:6aSerial Number (int): 288122008657460353302177096702250301232234
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 4a:37:49:d6:84:d1:aa:52:c8:e8:1c:59:ce:39:78:13:db:8c:b0:68
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 79:df:74:e7:d4:c5:1a:31:e4:1b:55:e0:5f:09:2f:76:34:1b:bb:6c
Fingerprint (sha256): 4d:52:cc:97:be:75:d5:0a:a6:92:83:8f:77:57:be:97:ab:a0:60:af:72:6a:61:fb:ac:f1:f2:29:25:a6:04:97
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----- MIIGSzCCBTOgAwIBAgISA0626Gk57Q3v9eycbQysE5RqMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA2MjUyMTMxMjhaFw0x OTA5MjMyMTMxMjhaMBQxEjAQBgNVBAMTCTI4OTExLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBAK0pehbsHhyO94TLZ2D8zSKEIqzRU2DEf90tc5Fi +TZwFb/15Gt8OPlN2zH+NM5Cu5N6RvPlk4s0y2ZgqljMcwtdgihxJGNLS3SKMrkw bcmPeRm0DB3FkZGux3EQyHPhZde/tn8WtvnKn7sa76UCmxnK+/ya96wj1BGNq2nE XBXjCN+jMLKcfpZJna+BjC25Ohjt7t2gssLzOzrfo/MEBA2g7dP/ZP5I3F0Pu3oR fZjoIGLXcjjhGhiIoK1qFQZN2K5e6EVHgA91R2l3U3rrTqnNS6CTi+ubyPrFjeMe hFJu3ZAqtoEGJfe3WwCE8QhBPj5Tw8Gx2op+onvoe4UMPBL80cZvPB37Blj5XofJ u+yZmvq6gCVH1rqfHNmBunuzwuKRmL3SoyEQgkUnTximHvahcWpFpcFA0/HdpCGG xOqgN7yTCCeGaqCLWIHyALDfOCCiOVf87FSjGLMM9hXt/OEu2Sj1RWIN1mt4x2yh OdaMTWWUnhEL+IKFRFCIU9y7PxIYR5zbHfRoJleLFA1WLWCmyP6dRyzV4DJ3y5uE nfW/jGBc4MD3m3c7gjP3e28t1eTS50v29BUjvnuTudqHjLYKVaXP/9e+49mtesWr fCmBZvHSMINphaIOpcDFcnS8ZR80BHdtqasyUlqLeLXvWifw6rT939scIBsiazwh YrM3AgMBAAGjggJfMIICWzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFEo3SdaE0apS yOgcWc45eBPbjLBoMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJMjg5MTEuY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHYA4mlL ribo6UAJ6IYbtjuD1D7n/nSI+6SPKJMBnd3x2/4AAAFrkMPwmQAABAMARzBFAiEA oCzEGi4NM9pv8di50Cz/FaqTTG34PALyFM6IxA4+MGgCIGD2pwVHYaAIkqrBGYqS BuVhx3dMpFgk1Eefcfoo7a8aAHcAY/Lbzeg7zCzPC3KEJ1drM6SNYXePvXWmOLHH aFRL2I0AAAFrkMPwXwAABAMASDBGAiEA6+LMhqnq32e8ESxNqtjV5v+7eVjOONJk LIqwcVxQGUACIQDAvmiQQ1UuiBl1UYrFUrHRyvb+38eIe2EOeIH2YSVYVzANBgkq hkiG9w0BAQsFAAOCAQEACx3zxwvJ3G8OCndMSPtlItsvcBpIbu6JknCdmQaNWFug z4p+qjl1ONbrsEg5hQvmszpBWSN1UVPupAiFfRncfCAwHhaXYYdyUgrG5zG++R83 wCrkpB0zZT05ZkxTs08EOFnO2ONJDr3uMx3kO1EjGlI5+rf74vK0c6UTuAXoBtIe zOZD2o/OGQuN4KkVU8pEL6jjLaMXAYh5rGuU8u6te019q+sj7tTKsNkxbOWzkJEm ZFz7a/pBsZC1aUaN0igT437/kK3QgTkdRei1tr1py9499+xXAUJtDI+pP+NJVrAs zl07CmKtcN+1hHmkUzlwuDX/LdrQvj81zWpQow6J2A== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEArSl6FuweHI73hMtnYPzN IoQirNFTYMR/3S1zkWL5NnAVv/Xka3w4+U3bMf40zkK7k3pG8+WTizTLZmCqWMxz C12CKHEkY0tLdIoyuTBtyY95GbQMHcWRka7HcRDIc+Fl17+2fxa2+cqfuxrvpQKb Gcr7/Jr3rCPUEY2racRcFeMI36Mwspx+lkmdr4GMLbk6GO3u3aCywvM7Ot+j8wQE DaDt0/9k/kjcXQ+7ehF9mOggYtdyOOEaGIigrWoVBk3Yrl7oRUeAD3VHaXdTeutO qc1LoJOL65vI+sWN4x6EUm7dkCq2gQYl97dbAITxCEE+PlPDwbHain6ie+h7hQw8 EvzRxm88HfsGWPleh8m77Jma+rqAJUfWup8c2YG6e7PC4pGYvdKjIRCCRSdPGKYe 9qFxakWlwUDT8d2kIYbE6qA3vJMIJ4ZqoItYgfIAsN84IKI5V/zsVKMYswz2Fe38 4S7ZKPVFYg3Wa3jHbKE51oxNZZSeEQv4goVEUIhT3Ls/EhhHnNsd9GgmV4sUDVYt YKbI/p1HLNXgMnfLm4Sd9b+MYFzgwPebdzuCM/d7by3V5NLnS/b0FSO+e5O52oeM tgpVpc//177j2a16xat8KYFm8dIwg2mFog6lwMVydLxlHzQEd22pqzJSWot4te9a J/DqtP3f2xwgGyJrPCFiszcCAwEAAQ== -----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 288122008657460353302177096702250301232234 . . . . . . . . [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 2019-06-25 21:31:28 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-23 21:31:28 +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 706439404388927783110301360530002527991945882669410066048432046180348355958420094217350995169404696008115908322400881264858411408016137016118303455390191227957172901441596926264681005664175519422713045090789531609622368101208200370636685730070470632741494374285285343558886768067314024769127268620566920820406062829178889951160193425988932875206780165831430791714482364687504501154921143757214230448085956952244124871349963556650875253736152341112930520190630704524781234600934986766815210158494408098642876091956841419429679408775303611381025375030361010326542548963399823081753986893486052764387254485706096817227881512262549200908684036654887426831518708551275391542834462421750034103513655972714109291811467576066042745857463881210959945412789981636758742523127712919201739797596201800325166914802520711946469241513737613832454484250544181453957732060692814226031332924957008643137604154455135915577883474708459109019366437442952178894679871904127467438853221451494592943675402089803581774941671203484181982896814092760049728419421228926552178884981180773108553525120306312910688718012772289761397427891786614945722401032370424783623628958287526841938188815998705755178567034037322979948280626413888659804899299494038766386066231 . . . . . . . . . . . . . . . . . . . . [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) 4a3749d684d1aa52c8e81c59ce397813db8cb068 . . . . . . . . . . . . . . . . [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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016b90c3f0990000040300473045022100a02cc41a2e0d33da6ff1d8b9d02cff15aa934c6df83c02f214ce88c40e3e3068022060f6a7054761a00892aac1198a9206e561c7774ca45824d4479f71fa28edaf1a00770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016b90c3f05f0000040300483046022100ebe2cc86a9eadf67bc112c4daad8d5e6ffbb7958ce38d2642c8ab0715c501940022100c0be689043552e881975518ac552b1d1caf6fedfc7887b610e7881f661255857 . . . . [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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