28912.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:73:9e:fc:fc:30:dc:cf:3f:75:47:e4:5f:84:a5:be:18:3d 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=28912.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:73:9e:fc:fc:30:dc:cf:3f:75:47:e4:5f:84:a5:be:18:3dSerial Number (int): 300680661588369539893024498593313008261181
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 0a:37:29:0c:86:66:57:35:d6:a0:b4:30:c2:42:66:0d:39:79:d5:fe
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): f6:69:68:cc:46:ff:dd:50:8b:0f:67:2f:02:60:b8:6b:87:fb:4a:78
Fingerprint (sha256): 99:7f:71:0a:2e:da:55:4f:1b:39:48:9d:bf:2d:de:98:85:e3:90:dc:e3:c1:35:7d:94:cb:b6:c5:f1:16:49:53
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate 28912.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for 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
28912.com
Other certificates including the domain name 28912.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for 28912.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGSzCCBTOgAwIBAgISA3Oe/Pww3M8/dUfkX4Slvhg9MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA4MjkwMzUyMDNaFw0x OTExMjcwMzUyMDNaMBQxEjAQBgNVBAMTCTI4OTEyLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBANVF4Tnnxyus1Gzoc1IFyedAP9cbRhva97ZCb4dp N1f0Z/CLuLJUFNhWR4RHPvQ4v2xPBAoWiD3eYRpJGW79Aq7U/Tv6uJeYR8HgjuNI LL537MIn22HsjegHOS1YX1qE0vkI+h0Mf+P2PGR2PgEFswj0OrkTC3f4IFqGO0cM D3TfJSBgjGDoex9b47cwURFfHqLR6YElgv1LVjRKxWyBQOR9STpc5bVqwQ2fLf8f Fn4XjSAz44YX87oqLgRCvVaLozWXL64gQzw8lDc/jV7i9qVzV2yUrsnjXERndzUu DnXBmKH7XgNFaxwczlbvFvFpyoLaU+TNIb2F82gPUKrPYyD9PWDgJ03igpnz/GFf pZI8MfWUSJfvKdFH6mcZ/x2NKspme1gHOEZCdPBU3S6mTSASfnEXVMG3/XPYZ6ni faIbVH5Frn6Uk3zEb8SYFXm92BCM8OA2Z0JAW6j0eEMI19yKI2Hw3FcqgawRzy/T TGybPr0U+5JDtV9V6gAm2fh4QuAO56lrtjCG+q/EG27PdPk3m+24b2/ntIpdOEn8 GUwr1TYFthxacIVPzGi0aHu2oYh0Eg0z49usvxcJuo7iMWnI6JceMLYRRggLknsz 4rWCOYLR+Go0Llgzs7MxBHqenNwYBT72hPKmEFmgxX9yPLBg6/3WWjSkeDsBtKpH VlzjAgMBAAGjggJfMIICWzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFAo3KQyGZlc1 1qC0MMJCZg05edX+MB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJMjg5MTIuY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHYAdH7a gzGtMxCRIZzOJU9CcMK//V5CIAjGNzV55hB7zFYAAAFs27decAAABAMARzBFAiAX XusuyWGp+WB02pm55kFS+UrZdbK6bjmL8rnOWuguzgIhANdDc7LBjlheN9EJQAiL oM3InSX3cCDo+4WkHcypqA3dAHcAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz0 5UVH9HgAAAFs27dgUQAABAMASDBGAiEAvctBTcoPMAcEUxICd6m/BYdjIZ+sRakU 77RwpVuPlI8CIQDb4rgdxFeEOK8bivcTt7EcLKzWLhv33IE+LMdEweByxTANBgkq hkiG9w0BAQsFAAOCAQEAEppQzvMNIcF0ix5rspM5vmiKGlniTxW5gypfhvLLHZ3J NcQAN0iKklVodeIg8Xc9hHdKykFGXLuYojFyLymP6GDg08Q2bgIHGIQa9evEIIMb BhjdCKWI21J4tY/ymGWsnUBS4IFJBsIf8SMb7oL2xf92YltFxNDsWuTO0yYqJhUt aLmC1yOiyROGYKuyK/FfYOqYEIs0I0mEyN6KBcblrLEWQApKlXGQ6XfdoHKzgmVR ann8TrfQtm2Fo3sA9zWsPuK9JQuC5bT20t9jDsYsGWtnBJ8zyLampyrkUlVqWys7 +lEPgtONh5CDwUm+x+0sQt+e946Y7iBQzoOPVMheEA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA1UXhOefHK6zUbOhzUgXJ 50A/1xtGG9r3tkJvh2k3V/Rn8Iu4slQU2FZHhEc+9Di/bE8EChaIPd5hGkkZbv0C rtT9O/q4l5hHweCO40gsvnfswifbYeyN6Ac5LVhfWoTS+Qj6HQx/4/Y8ZHY+AQWz CPQ6uRMLd/ggWoY7RwwPdN8lIGCMYOh7H1vjtzBREV8eotHpgSWC/UtWNErFbIFA 5H1JOlzltWrBDZ8t/x8WfheNIDPjhhfzuiouBEK9VoujNZcvriBDPDyUNz+NXuL2 pXNXbJSuyeNcRGd3NS4OdcGYofteA0VrHBzOVu8W8WnKgtpT5M0hvYXzaA9Qqs9j IP09YOAnTeKCmfP8YV+lkjwx9ZRIl+8p0UfqZxn/HY0qymZ7WAc4RkJ08FTdLqZN IBJ+cRdUwbf9c9hnqeJ9ohtUfkWufpSTfMRvxJgVeb3YEIzw4DZnQkBbqPR4QwjX 3IojYfDcVyqBrBHPL9NMbJs+vRT7kkO1X1XqACbZ+HhC4A7nqWu2MIb6r8Qbbs90 +Teb7bhvb+e0il04SfwZTCvVNgW2HFpwhU/MaLRoe7ahiHQSDTPj26y/Fwm6juIx acjolx4wthFGCAuSezPitYI5gtH4ajQuWDOzszEEep6c3BgFPvaE8qYQWaDFf3I8 sGDr/dZaNKR4OwG0qkdWXOMCAwEAAQ== -----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 300680661588369539893024498593313008261181 . . . . . . . . [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 2019-08-29 03:52:03 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-27 03:52:03 +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 '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 870077798480464505874728548654074430463652134787339206772228027393185139764658022165923212577475840111476956383972390095011655004275125327072688674324249773101900493489337551162880643735383222509921473750486504108899460342042423470630900954586837803920951638766934591435973291943992321274809097115584456106165365053541031147018452766089086089527912028060797499804823191790532721073047680523440701727729143562294355706438611316624373809103047325256833813056970363629613545061163069253928486107575054995664957287527832136135883352771580459019822536295455625435216950387807775220060858893276442268536490683463997534363820495717628013050070439986321990722816087141332543325518897848171918605217332428892235669526137472750556325337066742289289438858709769894422368759076516824952980663190853545084108054141435703954423025142025474545864212789310981689483082113806641333091973770878184016521618495820403850595966837017663709750586065587780842798142824993042670912506726956244484618962701240618952828273225518330641298951501544193118952927879650286634797522375200617633214867783743408955413833797571374969624530061763546310988186912590596191355026185587260032248110874118441697583991811083681861183515056690970680069831565368663487284665571 . . . . . . . . . . . . . . . . . . . . [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) 0a37290c86665735d6a0b430c242660d3979d5fe . . . . . . . . . . . . . . . . [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 '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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016cdbb75e7000000403004730450220175eeb2ec961a9f96074da99b9e64152f94ad975b2ba6e398bf2b9ce5ae82ece022100d74373b2c18e585e37d10940088ba0cdc89d25f77020e8fb85a41dcca9a80ddd007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016cdbb760510000040300483046022100bdcb414dca0f30070453120277a9bf058763219fac45a914efb470a55b8f948f022100dbe2b81dc4578438af1b8af713b7b11c2cacd62e1bf7dc813e2cc744c1e072c5 . . . . [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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