www.28912.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:79:d5:7a:25:82:a9:2f:cb:e5:4b:f2:4b:51:fa:22:b3:ce 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): 03:79:d5:7a:25:82:a9:2f:cb:e5:4b:f2:4b:51:fa:22:b3:ceSerial Number (int): 302794783976834399559848889343358663832526
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: cc:fd:ce:ba:cb:15:8f:f2:82:2f:06:80:a1:a6:e2:b2:7b:3a:2b:1a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 55:f3:0a:d8:b9:2f:5f:f2:39:87:fb:58:74:1a:0b:7a:12:8f:57:4c
Fingerprint (sha256): 91:7e:19:47:70:4c:1e:ee:b1:27:48:6c:08:77:10:30:bb:a7:11:11:e4:f4:bb:69:54:82:ce:3b:1c:f1:2b:8e
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----- MIIGUjCCBTqgAwIBAgISA3nVeiWCqS/L5UvyS1H6IrPOMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA2MjYxNTIxNDdaFw0x OTA5MjQxNTIxNDdaMBgxFjAUBgNVBAMTDXd3dy4yODkxMi5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQC32EW8jzrZtSkE3ugpGOs98bzwq1F1ic/9 VI7st0bEJd/Fo9sea2ZcK5/ZeKZ0iO7NQnD/PR6JJT3LvleLX3PboaQEJZ84R47I mtQ83HG2gjfxHFXzBZzS1H1AppL2Rv8CNHwmYdvPYf/WcAe5VeD5N3ARWoR85oeq jItcwhtumuHTwWn2SwZ7Zo/70Uhq/W8DUdBZJ+I5AVjuUPA/xrQjNxaUkdOWXzWB ZXzOWAdZSKQQEO7NC2HSoPmurfy8cqPKeP6TojsnxJioF7KmDlZVr4/Jlxn5GH4r wO1Qa7CuAWzrnzsR/iqimE7+BT0ZQmONH2Xx6U0p+Pif53v5EcJQIpNRN9s/7E/+ /7NAjPNKt/jusDiSjq1cL//7Ly4pF4/rFzW8UiuIticaeg+nCu/XEUBcYnlhSaVt MpeRA2GHFuzVX7jsTp6EG9Is/7imyFBXWZXU6cE0dxR8s+YotZ5coN+s3OJslcUZ n2NFW0uZv6VS+lIGWW85b7IsRmC6ij507Pf33LxiSi785MNUfcNuqDLerhurwTSa tH5+KICczYx40gKyyU8FbF9HgipcZ2s3gPz21AnVmMmBx+KMRCPkyIJYzSvhEPBZ 6Q3ygUmzYdY3Ijccj+k9Rerk7UPe6lPCjhgtWTGI6l0GBJOKHT+O4F2dJgEo18EX YNCIfjPXgwIDAQABo4ICYjCCAl4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTM/c66 yxWP8oIvBoChpuKyezorGjAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy4yODkxMi5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHy APAAdQB0ftqDMa0zEJEhnM4lT0Jwwr/9XkIgCMY3NXnmEHvMVgAAAWuUl9h1AAAE AwBGMEQCIBNCJeQVFBsD120SVuT6QKXK6mey3fZhIMyc5byjHnQ7AiA0F/HzztPh oJG8WaT5av6POFm9jLwoadlWGj2wSzBuqAB3ACk8UZZUyDlluqpQ/FgH1Ldvv1h6 KXLcpMMM9OVFR/R4AAABa5SX2GQAAAQDAEgwRgIhAMYyFV+FlP1ScFlis/NivYKJ KFYz7LrOH9+y2/b+votcAiEAqm/3Rl8sukbu0eBqE88aC7TJtcMA8XdKXCPyx3yL likwDQYJKoZIhvcNAQELBQADggEBAAJvQ2ffnScqvgOq3ORkW37KTKMEhxtsBHQh 88L2GvG2Qqqc7QAOuUp9Jz4KEZTovWMAYUxACXr0frd3giDwEKlJqwDxyWIonp9N Wz0rVqmB9Tguq/hf7O+0fKmJqVbnuvqDC1+WglfUceF1+diA07wg8X6LIDBWz1y9 vohnr3+WNxpr4w12ZOCjisyIR6Rbn1MNmcS8sEkaXmlYCJG3erFvXpnatmmddneh 1xssFv5ANEeN5oScSpLE3ouoyV/0ElrFF4HCBM8fN0MmkgNk/1Uso/IEQJhN8dgN xcstLAA98rB/vz7oAPm32iK1HF3pjBl7yRX3T1vASYgyxnHgb3I= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAt9hFvI862bUpBN7oKRjr PfG88KtRdYnP/VSO7LdGxCXfxaPbHmtmXCuf2XimdIjuzUJw/z0eiSU9y75Xi19z 26GkBCWfOEeOyJrUPNxxtoI38RxV8wWc0tR9QKaS9kb/AjR8JmHbz2H/1nAHuVXg +TdwEVqEfOaHqoyLXMIbbprh08Fp9ksGe2aP+9FIav1vA1HQWSfiOQFY7lDwP8a0 IzcWlJHTll81gWV8zlgHWUikEBDuzQth0qD5rq38vHKjynj+k6I7J8SYqBeypg5W Va+PyZcZ+Rh+K8DtUGuwrgFs6587Ef4qophO/gU9GUJjjR9l8elNKfj4n+d7+RHC UCKTUTfbP+xP/v+zQIzzSrf47rA4ko6tXC//+y8uKReP6xc1vFIriLYnGnoPpwrv 1xFAXGJ5YUmlbTKXkQNhhxbs1V+47E6ehBvSLP+4pshQV1mV1OnBNHcUfLPmKLWe XKDfrNzibJXFGZ9jRVtLmb+lUvpSBllvOW+yLEZguoo+dOz399y8Ykou/OTDVH3D bqgy3q4bq8E0mrR+fiiAnM2MeNICsslPBWxfR4IqXGdrN4D89tQJ1ZjJgcfijEQj 5MiCWM0r4RDwWekN8oFJs2HWNyI3HI/pPUXq5O1D3upTwo4YLVkxiOpdBgSTih0/ juBdnSYBKNfBF2DQiH4z14MCAwEAAQ== -----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 302794783976834399559848889343358663832526 . . . . . . . . [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 2019-06-26 15:21:47 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-24 15:21:47 +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 750021405260834305822569219165815238506895689468880472566473289000565149335632571496767103310814247116023074404357179664692216507054001235775962426805276158727404714794789870865779546663271290316875519568772052516341102576018250348570634359328716526577195530292157884839346026299266625349028115772984078556471558947527004656517120103675858916949308744654686875889211470761556257475350872416755896983035507100605660699316166114556307214134700246062450951969044274311044524267666968503851350337215872099357210597316288962566791869776237676325067602935386199792559094447314155814740143240474241887635034188403669461139230526398054716812837169836344475560316722681012086060128773701180468777584367253692254851507666140232177855806413304895880246760992105203702653106666495437235834467997600434663009610334460432344166204489560484601453426141952743226036826377672153704578340158895638652012772865791592477329671556576726342501446039685894543526595622878243578465253630179776410879591787099911156378847392990713153187855393380606358532072738609103765925042431725602044926334160706493232513211259314963232046192851046391582317571046476561555924621688504981290507717167512751945425873682755681370791791144704936084884898186886948421511665539 . . . . . . . . . . . . . . . . . . . . [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) ccfdcebacb158ff2822f0680a1a6e2b27b3a2b1a . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016b9497d87500000403004630440220134225e415141b03d76d1256e4fa40a5caea67b2ddf66120cc9ce5bca31e743b02203417f1f3ced3e1a091bc59a4f96afe8f3859bd8cbc2869d9561a3db04b306ea8007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016b9497d8640000040300483046022100c632155f8594fd52705962b3f362bd8289285633ecbace1fdfb2dbf6febe8b5c022100aa6ff7465f2cba46eed1e06a13cf1a0bb4c9b5c300f1774a5c23f2c77c8b9629 . . . . [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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