28912.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:63:21:5a:62:19:3e:99:db:55:d7:a1:ea:db:0d:56:89:47 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): 03:63:21:5a:62:19:3e:99:db:55:d7:a1:ea:db:0d:56:89:47Serial Number (int): 295069145940708037473799583393329372891463
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 06:67:1d:7f:59:50:a4:4d:62:22:a6:e7:ff:b3:fd:ec:e3:dc:e0:81
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 83:c1:75:1f:78:99:39:c3:53:60:08:19:c6:e7:80:d6:92:63:34:6a
Fingerprint (sha256): 46:3b:e0:6c:73:0c:63:a3:2d:18:c7:76:68:43:c0:d9:7a:5b:20:bf:fe:6b:ed:d4:54:9a:cb:d5:6c:37:ac:a3
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----- MIIGSDCCBTCgAwIBAgISA2MhWmIZPpnbVdeh6tsNVolHMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAzMjMxOTQwNDBaFw0x OTA2MjExOTQwNDBaMBQxEjAQBgNVBAMTCTI4OTEyLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBAMm0yw8mJ+fdVm4P12Ye3XJjWV2ktKKdzDlCuuHQ SYONRPUyiCx4xTH7+7vRYKyO+1oQ+bfX/YdlFUYF0Vrm1UoGlUcpHIqqOF2RMYvl GcuYnduv2Or+PQBqM5kybo7TsGDiTPdfkTdphQ/wqWNP5uhK2Zu3N7PhCh/+rTtV h0TOPjeyi/hxScpjo3mzCzPtzk3SJRB16xfCzpkCScgmNAhWe6yFNRu5pCPWmY97 9PBNqYBgoLzjBDm8rvlfIEpEWu/3ddAoPXY+t97qCncifxevkW5Fblz3NISfTrPU wM/Gaw+vx8LZ7dIZ13hynxFOVBXG57G9Y+R/6sqcJX9gtTpxbVVvL5Kl8U/ocFWe zLf4mpxXViOwQIE8gNjB6v9yG9/aoRBVcibfCNt3psJVrQdptwZU93jIEUrR/LkK u3140DgCODe4jvcdpRiciEcTtw6uX+IY782uqpr5Vg3Z5/k4rPCJ9EWWIlS4Eyj4 k04tdkbu6B4+L6e45rQZK/2Y1K7XxSjdhw3WJDVxmDRVf1zOKuydwGfUpSuIuCKi am4X8gIGtKSzuNQBWFp0mRsOttrQIzEHMMSx5RMTK0gDyfbrqWnN7bapXhYMTb2d wvQXidnA1nR0qYWf27wd6vN1Le4nIl4vU3hBgLQbFqAu8u/GgTydISvthNYClMAZ aeoPAgMBAAGjggJcMIICWDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFAZnHX9ZUKRN YiKm5/+z/ezj3OCBMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJMjg5MTIuY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBAgYKKwYBBAHWeQIEAgSB8wSB8ADuAHUAdH7a gzGtMxCRIZzOJU9CcMK//V5CIAjGNzV55hB7zFYAAAFprEi22QAABAMARjBEAiA0 daLUAlJ1cTZZDHG2Jx0aOCElgehRgtIVUFEN1mXMowIgasSVA99phhkv4kbU8FMr VyPBZq73QDWH7TTaClmfGd0AdQBj8tvN6DvMLM8LcoQnV2szpI1hd4+9daY4scdo VEvYjQAAAWmsSLc2AAAEAwBGMEQCIExS7kkFbj+oy1K68Fr04wnSB9NbleyTJYip +/Ga2p4pAiBWPtSorfn8ghZTzigYiDU+VHmUoD7bhZ4NhEXxt/yIgzANBgkqhkiG 9w0BAQsFAAOCAQEAcgqf38iM52ioRm+iHGnNdD58uMrGQyM9yBolR7qjvwicOfgJ NkYgyplkGMPVmT6FgPFoThXGzCbXT1CIqijBogUVLMBWGLbUzLGLQte6etUCWmFe eF890OWfVXMwvm+DbOhlwyoUDWKRxU/QkBe/AVWFyqoiTF/N+9+UsfpmmP/MWCxI bHXDE79PnC8HeA84bJcpDikKq7bj+BsKh2/TiLg+WKk4Abmwsigip0bkYfou6bt9 QXZbO6hMDIZhIG1l+1oScjALFoKv3Ev1QM2uIyOf1HU98BHPeazrEmwlmrm5p+q4 w6bDbaMboMmQWxVszQFD48ZH0Z0M350e9Tnvvg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAybTLDyYn591Wbg/XZh7d cmNZXaS0op3MOUK64dBJg41E9TKILHjFMfv7u9FgrI77WhD5t9f9h2UVRgXRWubV SgaVRykciqo4XZExi+UZy5id26/Y6v49AGozmTJujtOwYOJM91+RN2mFD/CpY0/m 6ErZm7c3s+EKH/6tO1WHRM4+N7KL+HFJymOjebMLM+3OTdIlEHXrF8LOmQJJyCY0 CFZ7rIU1G7mkI9aZj3v08E2pgGCgvOMEObyu+V8gSkRa7/d10Cg9dj633uoKdyJ/ F6+RbkVuXPc0hJ9Os9TAz8ZrD6/Hwtnt0hnXeHKfEU5UFcbnsb1j5H/qypwlf2C1 OnFtVW8vkqXxT+hwVZ7Mt/ianFdWI7BAgTyA2MHq/3Ib39qhEFVyJt8I23emwlWt B2m3BlT3eMgRStH8uQq7fXjQOAI4N7iO9x2lGJyIRxO3Dq5f4hjvza6qmvlWDdnn +Tis8In0RZYiVLgTKPiTTi12Ru7oHj4vp7jmtBkr/ZjUrtfFKN2HDdYkNXGYNFV/ XM4q7J3AZ9SlK4i4IqJqbhfyAga0pLO41AFYWnSZGw622tAjMQcwxLHlExMrSAPJ 9uupac3ttqleFgxNvZ3C9BeJ2cDWdHSphZ/bvB3q83Ut7iciXi9TeEGAtBsWoC7y 78aBPJ0hK+2E1gKUwBlp6g8CAwEAAQ== -----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 295069145940708037473799583393329372891463 . . . . . . . . [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 2019-03-23 19:40:40 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-21 19:40:40 +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 822889597928042839213230151430435702783482715834547408601875803251325825356868511424970676094474159026218832039644936411620917962064077281971188715570505021101889941947683394878637740477548598149953088203139039557640115763722500716658864787141338554166468949199034702685004777122951133269053444601878471355473944152981112461767696802342241899159096074339140531412064181978690828698514329454662147124304428115598396748131221050942718809739186510464142357820828970846616954500454985338744598900137624252442020349415727008353792837107629926043906236593129107159170845049063327028020621228536651110932894517970953298673010416222926611148764529919929569513536145486207720334334101153878570717586947646091833161203586038555668645624891905358214963260106955455901065366868063003349833832168017953346332579700794974543654487108821336216431709459180827415005568897236924241185786031361734568441802613841294828718826512311785043393014405402647219866452878766056570609546347231133549760946071157940108943800169453457938489300559654366600769353368434024089120286170304672314529077543797421683128546906473699092507997038922264309109512344515123570308498345706636012240388427236876344700134608476426370985913909037400053550035048815161537022519823 . . . . . . . . . . . . . . . . . . . . [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) 06671d7f5950a44d6222a6e7ffb3fdece3dce081 . . . . . . . . . . . . . . . . [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 (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000169ac48b6d9000004030046304402203475a2d40252757136590c71b6271d1a38212581e85182d21550510dd665cca302206ac49503df6986192fe246d4f0532b5723c166aef7403587ed34da0a599f19dd00750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000169ac48b736000004030046304402204c52ee49056e3fa8cb52baf05af4e309d207d35b95ec932588a9fbf19ada9e290220563ed4a8adf9fc821653ce281888353e547994a03edb859e0d8445f1b7fc8883 . . . . [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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