www.28921.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:41:0b:d5:47:53:98:7e:4f:df:eb:94:42:99:b9:88:77:97 was issued on by Let's Encrypt.
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We have idenified some issues with this certificate:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=www.28921.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:41:0b:d5:47:53:98:7e:4f:df:eb:94:42:99:b9:88:77:97Serial Number (int): 283470940559000455829174074219547974989719
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 6e:a6:17:fe:4f:20:93:36:b1:84:5b:0a:7e:10:bf:f6:8b:07:15:b8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 03:5f:c5:b9:4c:8f:c9:ff:b4:56:3d:73:8a:91:70:42:20:80:88:29
Fingerprint (sha256): 75:1e:b9:17:d0:1f:d5:61:92:ac:02:a0:7d:7c:6d:80:09:dc:e5:60:49:0b:2b:5d:21:69:1f:a5:06:8d:d8:a7
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.28921.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.28921.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.28921.com
Other certificates including the domain name 28921.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.28921.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUTCCBTmgAwIBAgISA0EL1UdTmH5P3+uUQpm5iHeXMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAzMTQyMTIyNDZaFw0y MDA2MTIyMTIyNDZaMBgxFjAUBgNVBAMTDXd3dy4yODkyMS5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDnLI8Jyvf7bLYIZiZmfP3OVmPHRTAbvX9f IqJen1xLPj78QwJM2FfuoFiGFs7OYTPuctDZbjZ6+9hDIRBBt8nhL5g3ijDHo9d2 GSW6x6UfUZTa37WZ3iffsp+VHQ00ax2XWG2ci90W8DZhJJEYhfAYfaeQJQ7tB+oF YqDyL/iioA8pzF69eEXFtC7mFW1A7siqhKCq5Y7ZnlpPWjlnPHLjf02t/g0eV/7e PKEAiBCIQDBn/p5/WcZ7bY3DeSSFQyGdTkOBUbLHV1L8yhxFjnxS9x+9IL6d+P5l +umdCjr09IThmPN3UlgaObmpIyqkmTb7Ov/WrHmvAjp4lmBVfCtmnD1JpQo9/XQ7 QLhsC+l21LttjX6EogRZDm3mAXuOd+1jkyNdWSh91qtkIAwRRI86wKBNmkCegupM uWkWARN1BSSJnmOyiOA0ZWeN2BYT931eRq3EnEx9H+K+GfXslNbYt1uJHHQy0weU dR/rjdSwYPaa7f0ypRk7HrF3y+QXokWWAYIoTNSYgAl8AbLgRy5eszLxLbIHahos QCgnbA1vc+k/OAnedbSbay9tlm8io9LP1+jyIcUbFWyd78srA8yxi9edtfEIkyDz OcV3sGLhD+xKhdeTe3MVZuHIApMe2tyQqd9GZc1X568jyP3UCYj7aqxX5D9mRW7/ HcqxVGYcCQIDAQABo4ICYTCCAl0wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRuphf+ TyCTNrGEWwp+EL/2iwcVuDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy4yODkyMS5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEDBgorBgEEAdZ5AgQCBIH0BIHx AO8AdgBep3P531bA57U2SH3QSeAyepGaDIShEhKEGHWWgXFFWAAAAXDbJH76AAAE AwBHMEUCICsomISsl9BN9Jz6HoTCNX/CeSMIIiOn0jdrUJDGjwKjAiEA9vZxRNGB FwWTiIg8UUr4/VFH0vaCVAeWQqJbqz14G2IAdQAHt1wb5X1o//Gwxh0jFce65ld8 V5S3au68YToaadOiHAAAAXDbJH9AAAAEAwBGMEQCIEFp7rVDwh3cyCGRLRB4jcXl TA9fNk7D4YBl6O76U0Z3AiBv1Wf4O5T6zVVSpWwQkzKTSGh8mAov3tnWuIZGn+E1 wDANBgkqhkiG9w0BAQsFAAOCAQEAFBzc5lKUFiffetaR8vEaw0VPJhyDWL9S7LmU e/UihwdxqVZq3ao4hFPQJflU+tqd49VMiWuQQ9uMxD+k20i1IXF5lOvNRak7/eCc tdFrFHm8k8oni/cIoezE7tbvZsba15Dx/Fc2J73xXaV0Z6p0/qelOElgjrx+ZxNr 8lWxqHe5BbWigYU/EuKzs2b4aI6MFjVSgi+uD3xJUqYJM1l8RlxVT8Ko08Zlx8mz 5PbHhYDD1oIL9Ulxppr8zyQPGxL1Fz3e663XmHfNZq816HSj/gQ3yPNEbc2LxxpM o33CMGmllazzsBwmtaw3D0f0rneXvAKJcdmnU1XKYg939xTfCg== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA5yyPCcr3+2y2CGYmZnz9 zlZjx0UwG71/XyKiXp9cSz4+/EMCTNhX7qBYhhbOzmEz7nLQ2W42evvYQyEQQbfJ 4S+YN4owx6PXdhkluselH1GU2t+1md4n37KflR0NNGsdl1htnIvdFvA2YSSRGIXw GH2nkCUO7QfqBWKg8i/4oqAPKcxevXhFxbQu5hVtQO7IqoSgquWO2Z5aT1o5Zzxy 439Nrf4NHlf+3jyhAIgQiEAwZ/6ef1nGe22Nw3kkhUMhnU5DgVGyx1dS/MocRY58 UvcfvSC+nfj+ZfrpnQo69PSE4Zjzd1JYGjm5qSMqpJk2+zr/1qx5rwI6eJZgVXwr Zpw9SaUKPf10O0C4bAvpdtS7bY1+hKIEWQ5t5gF7jnftY5MjXVkofdarZCAMEUSP OsCgTZpAnoLqTLlpFgETdQUkiZ5jsojgNGVnjdgWE/d9XkatxJxMfR/ivhn17JTW 2LdbiRx0MtMHlHUf643UsGD2mu39MqUZOx6xd8vkF6JFlgGCKEzUmIAJfAGy4Ecu XrMy8S2yB2oaLEAoJ2wNb3PpPzgJ3nW0m2svbZZvIqPSz9fo8iHFGxVsne/LKwPM sYvXnbXxCJMg8znFd7Bi4Q/sSoXXk3tzFWbhyAKTHtrckKnfRmXNV+evI8j91AmI +2qsV+Q/ZkVu/x3KsVRmHAkCAwEAAQ== -----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 283470940559000455829174074219547974989719 . . . . . . . . [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 2020-03-14 21:22:46 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-12 21:22:46 +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.28921.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 943107872729369602360667953342304889959848997192283881928827204123340187670787028297614837832414897884691893157261635883903943774055525154644364066968764658092306712407844385546067560084303712122859315537786710261539932629040648362230012714287302824605764690902526181860276623109256651371920673961826155198616226011329023663660010838653957841542916125256415715208262544680707289250735714267350020104510926237434424823955227429879680191665428248131093196773665014732598692227907813008071236292762766017547323818565860758679802352599660194275061332797983534779972007386735227046803537379884952311739844908495292871991910255983999473852520944139704286567584137461299598582910176793324565652426587854240510911786862334041955403066622432106368610658921621588346995289155699570007572809660842985536835770022479828330219792765958110597777800007061023355522259429656078120615829246373816543246277668337045791839986262604882292954201504262036249439324395626652925093981214745722819868520953725607524219642025980788680857826787045711057793889078012649403292703987842313736351263383252355792605146961148155345366145947156405372781575746505013048219055161756080468236947274985507610501500281557479203140537373313232904958424910053796577834048521 . . . . . . . . . . . . . . . . . . . . [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) 6ea617fe4f209336b1845b0a7e10bff68b0715b8 . . . . . . . . . . . . . . . . [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.28921.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) 00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a11212841875968171455800000170db247efa000004030047304502202b289884ac97d04df49cfa1e84c2357fc27923082223a7d2376b5090c68f02a3022100f6f67144d18117059388883c514af8fd5147d2f68254079642a25bab3d781b6200750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170db247f40000004030046304402204169eeb543c21ddcc821912d10788dc5e54c0f5f364ec3e18065e8eefa53467702206fd567f83b94facd5552a56c1093329348687c980a2fded9d6b886469fe135c0 . . . . [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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