www.28912.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:d1:16:fb:a4:b3:2e:b6:27:d8:1a:0f:25:1f:a4:fd:b5:34 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.28912.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:d1:16:fb:a4:b3:2e:b6:27:d8:1a:0f:25:1f:a4:fd:b5:34Serial Number (int): 332486422104687111806692521375231964460340
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: aa:d0:bc:ed:dc:68:ed:57:25:2a:f1:2e:68:27:69:a1:31:19:1c:25
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 23:12:c9:2a:dd:da:da:19:0d:7f:bc:20:22:78:89:cb:d8:61:46:aa
Fingerprint (sha256): 3d:e3:3a:c6:b6:57:4d:dd:bf:91:14:e8:3a:03:3e:c4:82:d4:69:2e:ea:f3:f5:c5:48:17:be:b9:3a:37:1e:a1
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.28912.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.28912.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.28912.com
Other certificates including the domain name 28912.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.28912.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUTCCBTmgAwIBAgISA9EW+6SzLrYn2BoPJR+k/bU0MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA4MjgyMjUwNTNaFw0x OTExMjYyMjUwNTNaMBgxFjAUBgNVBAMTDXd3dy4yODkxMi5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQC9QRmQYTyVgtLAhTCXfBTcX0mms40yVWgU 5rYNJl9emyZqtF5iCYJCSjpFS42Aj37oEEiSZssNS754ef1biGYyqAuVZz/gasov TQLCC5CGMRrE4eiCxFS7Hb8IQjqA3r44UGARpMUfQ3P3PQqT28VkfMS+BbDnjt1K eYKs9HTb9rh7WZzQcWCV5KO9DNf7t0rDKyT9Wk542SOufkIE9ZTueHhd76tZ8/ao hzP28cqFk2kG4cHF4mHftVc4v2CeYGP4kpvjBR8BMjPP32qTjOVcdz+8bb/JG7GS vH54baPMHCZw4wlbiFGYTj862MnUzq3NJ5Iqp7uU5qgqlDl6X7az5oy+2NEisV9T ugUlhiXO028LmOZckaoVVyoFcngEwccrMfqtx77rlOn8j1tcpOSlpct2LHd5bpQ+ w0dUjpxp49tY8ezqpJ9/xnyXi7wzXuRJiXlSY7L9+/aCJdAmuZu0gcMfmy9FxRZa oS5+kLpmEVblyEio/1P+qZUL7F0PgRiKHaWuSd5o2AfViPOVRbrdeYetvYPT5IVz 6MjvTnNXlqBfABcdaLZ5iID3cqdr8wHf0P/moqRMUkZYplLsTD20thihauwZF6Ng 4ZtG83VmlHFtczH2FWfB1g0jZKxaBYT/LzX6dXKRv/byItRQEUqRU7A09XN9MiEd ZWwixJ+EYQIDAQABo4ICYTCCAl0wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSq0Lzt 3GjtVyUq8S5oJ2mhMRkcJTAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy4yODkxMi5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEDBgorBgEEAdZ5AgQCBIH0BIHx AO8AdgBvU3asMfAxGdiZAKRRFf93FRwR2QLBACkGjbIImjfZEwAAAWzao6dRAAAE AwBHMEUCIF+aW80oVaXmPuKkcp5zgsbpf7sv+oWSNP4SMpdtM1X9AiEAl6gZPqq0 DsYkp56MGXZxHxHgJjms28MgDVisiNu50OoAdQApPFGWVMg5ZbqqUPxYB9S3b79Y eily3KTDDPTlRUf0eAAAAWzao6ZgAAAEAwBGMEQCICeqXVcn7ii1vD+Ebi8ZjMhH Iqs5oJn6d8Iyo6FoqXC7AiBShr3i/dJskTF5K1igQTA1Mrr5le0jymRBa5akxnNP OTANBgkqhkiG9w0BAQsFAAOCAQEAYOQtPVhOthetntOEZVEwnytDQQ2DXPc5DT/q Lb5eKE0tbOcSvMpMtDwz3BfxEEfsNbNrEDqOT3oJZNedWIWwteEGkyhUyMVzyKqj HvHE1a3+ziukscftO6Z+bkK9afu23BEAUO0E+r/BeumH2w1kvhVtsdEwaYaHiCbD 7gHo9UvWxwk6FxBb0wAqtMnAp+fyg5xF7O5BSuQauNtE93Po45yQfeipzkj7mCk/ rwf/AD/qXMY1bENI+SsF/zpMGjABc+bI59vNkJkgGD6lWb1kE42+H2d1UvxRMDBs m3baBh4UfFNK7NRi+bWO/R3W1MJsxyVOX0maff4Am7kqjZRXZA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAvUEZkGE8lYLSwIUwl3wU 3F9JprONMlVoFOa2DSZfXpsmarReYgmCQko6RUuNgI9+6BBIkmbLDUu+eHn9W4hm MqgLlWc/4GrKL00CwguQhjEaxOHogsRUux2/CEI6gN6+OFBgEaTFH0Nz9z0Kk9vF ZHzEvgWw547dSnmCrPR02/a4e1mc0HFgleSjvQzX+7dKwysk/VpOeNkjrn5CBPWU 7nh4Xe+rWfP2qIcz9vHKhZNpBuHBxeJh37VXOL9gnmBj+JKb4wUfATIzz99qk4zl XHc/vG2/yRuxkrx+eG2jzBwmcOMJW4hRmE4/OtjJ1M6tzSeSKqe7lOaoKpQ5el+2 s+aMvtjRIrFfU7oFJYYlztNvC5jmXJGqFVcqBXJ4BMHHKzH6rce+65Tp/I9bXKTk paXLdix3eW6UPsNHVI6caePbWPHs6qSff8Z8l4u8M17kSYl5UmOy/fv2giXQJrmb tIHDH5svRcUWWqEufpC6ZhFW5chIqP9T/qmVC+xdD4EYih2lrkneaNgH1YjzlUW6 3XmHrb2D0+SFc+jI705zV5agXwAXHWi2eYiA93Kna/MB39D/5qKkTFJGWKZS7Ew9 tLYYoWrsGRejYOGbRvN1ZpRxbXMx9hVnwdYNI2SsWgWE/y81+nVykb/28iLUUBFK kVOwNPVzfTIhHWVsIsSfhGECAwEAAQ== -----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 332486422104687111806692521375231964460340 . . . . . . . . [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 2019-08-28 22:50:53 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-26 22:50:53 +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.28912.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 772090167351384552983811035350214713392829701734902434837551574742656691219924831016733935101567622249851246910951174902570220637009866065036392952290270681559729638717123177835145730513774954025046241926787160180019613168725905037321142724627549030588676941540567716451574646988024497812603102748540274554749784392532375363912028253275192094257550062860535288002511766888047488451160301617837588674706122102241965358933035442678792730838174008154900705094691324592850279734925878214915874648844462076581319604396770336928039845057958495269190861350228499388138012964796488780058046667467993160167484852768058098078986154286550982804143828674364400981560439926024203946714198295813923379919256605851280289514061556549702195589022720498723141388961289684291828606291506150167918874646636555347882585897538861120803848257120201667860193518629216005885391577087503541981347626677315789619764458691325983455439814450752027332893443936363103512370294886319450572422730833901796988934313333556124566587570262877237487481754015093172015012045547507966519170820453964747584199444644610686816740372430505405975786232640107083269275538978362076750664677426349499942441235967603829160769033189829384439419839473757778881682330200806490896303201 . . . . . . . . . . . . . . . . . . . . [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) aad0bceddc68ed57252af12e682769a131191c25 . . . . . . . . . . . . . . . . [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.28912.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) 00ef0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016cdaa3a751000004030047304502205f9a5bcd2855a5e63ee2a4729e7382c6e97fbb2ffa859234fe1232976d3355fd02210097a8193eaab40ec624a79e8c1976711f11e02639acdbc3200d58ac88dbb9d0ea007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016cdaa3a6600000040300463044022027aa5d5727ee28b5bc3f846e2f198cc84722ab39a099fa77c232a3a168a970bb02205286bde2fdd26c9131792b58a041303532baf995ed23ca64416b96a4c6734f39 . . . . [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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