www.28911.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:0a:a1:23:8a:63:d2:20:7a:e7:cb:fe:f0:2e:df:59:f3:dd 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.28911.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:0a:a1:23:8a:63:d2:20:7a:e7:cb:fe:f0:2e:df:59:f3:ddSerial Number (int): 264953871709082689259945962386481162613725
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 02:0c:db:91:84:2f:94:13:6b:cc:ad:67:5f:23:d1:f2:84:e3:83:1f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): c1:39:d2:4d:6b:36:a9:d6:7c:43:bf:b3:5e:c1:fd:d3:cb:f3:25:6b
Fingerprint (sha256): cd:fb:df:7d:f4:a7:31:a1:ef:eb:ea:e5:1c:16:f4:7b:a9:ff:78:7f:2b:76:16:5c:b4:9c:b9:95:15:4c:80:24
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.28911.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.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
www.28911.com
Other certificates including the domain name 28911.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.28911.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUTCCBTmgAwIBAgISAwqhI4pj0iB658v+8C7fWfPdMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTExMDcwOTI1NDRaFw0y MDAyMDUwOTI1NDRaMBgxFjAUBgNVBAMTDXd3dy4yODkxMS5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDX1KVeNT1pdweECpudQMr/n6L9swLexwPR lExKi/lcCZtDjHWY4wpFi0fh8Bag0W8hVd407H2nu00T24coBBIUFR5VQsonRU9k lHtl+wTz3Eqx11tOEL2tBKUVtKTnCCFn1FoSZ2QbTeHawTy0syGn+4q8A3yvzL2E L3G9M47OkHr554GBJxduq0KTkTTS4XEpW+R5tcl0J9apQSFYIO+NIcCLtNCpK5Z1 9k5lTsqI58puKwL8X/GCo+rShtXrJhTomqnQKOA63UoeUn1v9dOEeoPNasnGTR4L hn25Tvgr+hEc2iwe5HTNztdJfRxeRXg2PRshLLOWxIkha8NuZclrRsTFLkUzMiAa qjMdgR8M3IX2ZDKo7Rs5ifFdbtkpkKqXVGHM3tjdLi0XgT5mCIlCRoSyMYdVswXH 6kkIZBcjE/G+77ZXWyUPk1fja/QuYLM71SVC13zfvhKAllv69vxALP3Irda+EJ1q ydpd73ZlW43fJDzJrDdh/IFduw9uI4Y9Uhs8kxG3xMJbeVDFLo3TLuKz4tFLNOB1 RslgYv6nPALYDLbu+Ii809vnmJviFKBoCUmZlfWAbDIztUNZ9hjb5lin41xPhL7e z21w196U9H3O6a5dWz22I8yEgZgByxtFz0iEGdEmp8uWD/yo37uhFN5dTWxdDgnk lw9PIYpTcwIDAQABo4ICYTCCAl0wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQCDNuR hC+UE2vMrWdfI9HyhOODHzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy4yODkxMS5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEDBgorBgEEAdZ5AgQCBIH0BIHx AO8AdQBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWWgXFFWAAAAW5FZgXUAAAE AwBGMEQCIE9gO1rgqe7g8rgveUfCubpzMGYeny1YawiAqkqwPJ63AiBa3xjGKsGh pOUVEM2k3iBHw6ALseYN5rt0m3w5P7lTkgB2AAe3XBvlfWj/8bDGHSMVx7rmV3xX lLdq7rxhOhpp06IcAAABbkVmBf8AAAQDAEcwRQIgRqd8WjW+2OBDMvMiJwGHKX7c 2FIkBJdgAoYvdQ7jURECIQCWLT7Lg7Blvw+7ikhSARbpmIfFlp1JCXDDev3WWgn7 UzANBgkqhkiG9w0BAQsFAAOCAQEAV7BgPLf+hQ8SKPkBM8FI/qck2hAoeUWH5zMp zuvBBbcs3zFJfr6VGUcgSPeVQ+x8Y7M8e+tDF4VNMg2KF4hps7hrtFwuwFsvXNlB jSUTAKq7BvihK1ugG8INOyUFUw10fMxKr2Gj135V+gnfsS2yQDF1CEaPGL1Ptt5Z M8JX0CUrfxMZeS0OkUR1zXbmikluec1Ijpwgj9OBHvxqW6XEAZZcDuygRmSlC8GY FI++nzUYLNJeGdDGA0xHEmdnmhe6RyssbR4YMnWYZncTanpJxW12L//wxG1lIY4T QrFAx0Baq3mkR6t/UVH3U8spMR3+6O04RAoy2jbJqae8JdSaeQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA19SlXjU9aXcHhAqbnUDK /5+i/bMC3scD0ZRMSov5XAmbQ4x1mOMKRYtH4fAWoNFvIVXeNOx9p7tNE9uHKAQS FBUeVULKJ0VPZJR7ZfsE89xKsddbThC9rQSlFbSk5wghZ9RaEmdkG03h2sE8tLMh p/uKvAN8r8y9hC9xvTOOzpB6+eeBgScXbqtCk5E00uFxKVvkebXJdCfWqUEhWCDv jSHAi7TQqSuWdfZOZU7KiOfKbisC/F/xgqPq0obV6yYU6Jqp0CjgOt1KHlJ9b/XT hHqDzWrJxk0eC4Z9uU74K/oRHNosHuR0zc7XSX0cXkV4Nj0bISyzlsSJIWvDbmXJ a0bExS5FMzIgGqozHYEfDNyF9mQyqO0bOYnxXW7ZKZCql1RhzN7Y3S4tF4E+ZgiJ QkaEsjGHVbMFx+pJCGQXIxPxvu+2V1slD5NX42v0LmCzO9UlQtd8374SgJZb+vb8 QCz9yK3WvhCdasnaXe92ZVuN3yQ8yaw3YfyBXbsPbiOGPVIbPJMRt8TCW3lQxS6N 0y7is+LRSzTgdUbJYGL+pzwC2Ay27viIvNPb55ib4hSgaAlJmZX1gGwyM7VDWfYY 2+ZYp+NcT4S+3s9tcNfelPR9zumuXVs9tiPMhIGYAcsbRc9IhBnRJqfLlg/8qN+7 oRTeXU1sXQ4J5JcPTyGKU3MCAwEAAQ== -----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 264953871709082689259945962386481162613725 . . . . . . . . [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 2019-11-07 09:25:44 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-05 09:25:44 +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.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 880512224096973233540887679447866558586950853296247701724145545317911781281932197755345739838794137674193016622680065670554998824562664792967594257984347195311002514565652143723686932286882274962259511526718510445378431976984978058310071227605692537825815479078522437940935006413867906271105323908559026317946733001773519026331897078745359806970105101064537097028948080391104382417119831727112287830373273434190753934763011229352228244128447051599836844955080666545049126742445818164923573607899199894083008090730911885513561163974734644631093489140437444881787458963100885272286882266804662645045970264235016690065250263555689951327858212060811545654228209481032325115048790401029863508808017847594227639883520095484639440237856296370294584938029591587256780349709565886157680355181857802229386302388757882445638965408464438981629365668885560427945176221262698817747560335977078660477535849107133276164617161512853578208475527418056913869599457345512250799974223631335533742579363362109325503936861990637862193155018221871052602346638786376076749219006397936660131531527418215021618239728189004147300341882637617843036552581030449301089801974274346034789523136620128985375363959831223784628025986603608034159453600834617733341139827 . . . . . . . . . . . . . . . . . . . . [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) 020cdb91842f94136bccad675f23d1f284e3831f . . . . . . . . . . . . . . . . [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.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) 00ef0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016e456605d4000004030046304402204f603b5ae0a9eee0f2b82f7947c2b9ba7330661e9f2d586b0880aa4ab03c9eb702205adf18c62ac1a1a4e51510cda4de2047c3a00bb1e60de6bb749b7c393fb9539200760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016e456605ff0000040300473045022046a77c5a35bed8e04332f322270187297edcd8522404976002862f750ee35111022100962d3ecb83b065bf0fbb8a48520116e99887c5969d490970c37afdd65a09fb53 . . . . [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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