www.31981.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:67:ff:0e:91:96:25:e0:a1:5b:e4:28:6a:04:0e:30:75:8c 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.31981.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:67:ff:0e:91:96:25:e0:a1:5b:e4:28:6a:04:0e:30:75:8cSerial Number (int): 296724970372063914125151496815977004299660
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 97:1f:d8:e5:96:df:08:35:7d:b3:0c:98:35:c0:63:64:48:e7:a7:a5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 34:5b:25:7b:0a:30:bb:64:ce:a1:4e:bb:9e:73:bd:59:08:e4:d1:7e
Fingerprint (sha256): 26:c8:0e:e5:fb:c8:e9:62:ff:80:d6:66:7e:74:2f:8c:20:ec:ea:0d:ec:0f:84:01:87:6c:d9:c7:60:a7:ce:cc
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.31981.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.31981.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.31981.com
Other certificates including the domain name 31981.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.31981.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUjCCBTqgAwIBAgISA2f/DpGWJeChW+QoagQOMHWMMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA1MzEwOTU5NDdaFw0x OTA4MjkwOTU5NDdaMBgxFjAUBgNVBAMTDXd3dy4zMTk4MS5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQDTTI0mJa1uvZ467oTsz96e3niri4npayXg uGNdTDq/+IZRLhviucW4H2AfYXPtN3H2UQUuGsMyeUwG49xPcng5TdJCGCupotdN v6n28talCPUJvZ6++pwM4PQgGOl30gckPim6bHabwobYK53KDopflAr7/4b39HgF y0vjjz+VsSyTf535sgJl9DTk/xRcUaaDbgBM3u7A+E5MOplmEazeoG7GKZTb5zJc U+h4rf/2UPwj7S0a8jnoFN3ynCUOYpHPHujR5hZzAYgWexYdZ+VChX7z7r8jWxu4 w9AdwLCQhcdtBc+7C3NoJSxJvU70jmtCkjuw6E8XdpEAcVH+79/96PaBl3bcQbth 5Q6GZILD8FQuj8YZQ9adkx3Hrh5DMy2HMczAafuvEFjzPnHa3WDHPiJJydE2PP57 vhfCjozJFNpoLDE1hfpsoxAhTyfZpM4sypFDhFkKxDlBamYJx+GtCH2V2Ms4lW7u hgIMN4z7ioL5bl6xbla/RYRooQhHatIrLoaAUYTw+GXJ7c98w62OA3vVUbd6QfOH /hEMHflwJn0xS3AGGD9y9E+TP4p8Gr3hPinvSIPs3JEiTyZzGSKmTtbjyB4PWM52 XrXDtxLIvaSQwqgwYVAA2OxIcTVzAfDZGP945JzW5BFaWmJxmNKx0Slzvhv8DJwn 5YpzbSghjwIDAQABo4ICYjCCAl4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSXH9jl lt8INX2zDJg1wGNkSOenpTAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy4zMTk4MS5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHy APAAdgDiaUuuJujpQAnohhu2O4PUPuf+dIj7pI8okwGd3fHb/gAAAWsNi7JtAAAE AwBHMEUCIQDkUM8Uq1Vr9jVopYMV7CVBokSMa8bQVo9dkH7uO5gFoQIgD00b+VD7 JlUQVwPCiE2nRi9WHEhMpgOCiH2Qp+WPbY8AdgApPFGWVMg5ZbqqUPxYB9S3b79Y eily3KTDDPTlRUf0eAAAAWsNi7J/AAAEAwBHMEUCIAuDXmAUuEukkHQjaG2h4a7U ZB2JYzKXHynE3d6ci0QDAiEA1A3788hUANXYjdx9rXKaq+xaMe4NgZ/GGYFdDvwl 9FAwDQYJKoZIhvcNAQELBQADggEBAGbH8daJxC9jqmXVbn4rCaWeTyPUo2lLGmRC 784dHPC0X+zttVBSd2cfCwhOi6icn2GhrLszUknJW0c0fTgcswqEIyPtFoCu/EkU 3gtfZPBTOf1++F4SFsWr2aZ7iqul7WbC4IZx1AaNWclI3BhehO5JVH39h3AOlqlx iuo7or2cEwlQNUiXo9gNsZ68uWms5V3HHoWdWLrelj4ur0VBpbjrYJqgRwI49nMZ QZ3cKeRbYwbl9AvUWcDrRq/etz5atmAtH0am0bHbOVpAD6ImCd5ivyCF7Y4Dq7Hw FMevFyuTP+y0G9OPhOFnuuzjiQWuhX/QdIvu3bMTMhkheFe8K0c= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA00yNJiWtbr2eOu6E7M/e nt54q4uJ6Wsl4LhjXUw6v/iGUS4b4rnFuB9gH2Fz7Tdx9lEFLhrDMnlMBuPcT3J4 OU3SQhgrqaLXTb+p9vLWpQj1Cb2evvqcDOD0IBjpd9IHJD4pumx2m8KG2Cudyg6K X5QK+/+G9/R4BctL448/lbEsk3+d+bICZfQ05P8UXFGmg24ATN7uwPhOTDqZZhGs 3qBuximU2+cyXFPoeK3/9lD8I+0tGvI56BTd8pwlDmKRzx7o0eYWcwGIFnsWHWfl QoV+8+6/I1sbuMPQHcCwkIXHbQXPuwtzaCUsSb1O9I5rQpI7sOhPF3aRAHFR/u/f /ej2gZd23EG7YeUOhmSCw/BULo/GGUPWnZMdx64eQzMthzHMwGn7rxBY8z5x2t1g xz4iScnRNjz+e74Xwo6MyRTaaCwxNYX6bKMQIU8n2aTOLMqRQ4RZCsQ5QWpmCcfh rQh9ldjLOJVu7oYCDDeM+4qC+W5esW5Wv0WEaKEIR2rSKy6GgFGE8Phlye3PfMOt jgN71VG3ekHzh/4RDB35cCZ9MUtwBhg/cvRPkz+KfBq94T4p70iD7NyRIk8mcxki pk7W48geD1jOdl61w7cSyL2kkMKoMGFQANjsSHE1cwHw2Rj/eOSc1uQRWlpicZjS sdEpc74b/AycJ+WKc20oIY8CAwEAAQ== -----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 296724970372063914125151496815977004299660 . . . . . . . . [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 2019-05-31 09:59:47 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-29 09:59:47 +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.31981.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 862024829271414814517172229082597806638011055954618692709336336890862586088246310901153545630376656756290608821667063528338916115276250557898914348428480586680383493622988665596843718168283417703371563590916484067473242997369845261076505589476859586992314641053524698722457225104737240617448452371654190971757320894082251685079259169088439126614737498755591108694767700595099184565590465527970334032843144287875842158126271831803858306105337505091828070602950110009379703269112123707875962024967796964064004304862293405588245174735654653703732751508792737191234156562424646656532667891977793836262058923124552535619666792520530860604239706456484172843725186624094269452619594580358951154735448508309334433056778973668963541554457275912448163459549941088555097335029993897193198493610807714908596473443399169042621998376432464917895785375045501761944562600823594896368196610134181291949445543886475979347671575694071388687143721028513922790532979390242714000290374188378398922493125012020727220134217651145488976425923932576796688239347629504495818649305925220344487217890618474126513749218421289338597741770219660193063604606074379623212157470572017439896122373379236011826078265790068769266755336248041835363532029071539271199367567 . . . . . . . . . . . . . . . . . . . . [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) 971fd8e596df08357db30c9835c0636448e7a7a5 . . . . . . . . . . . . . . . . [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.31981.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) 00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016b0d8bb26d0000040300473045022100e450cf14ab556bf63568a58315ec2541a2448c6bc6d0568f5d907eee3b9805a102200f4d1bf950fb2655105703c2884da7462f561c484ca60382887d90a7e58f6d8f007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016b0d8bb27f000004030047304502200b835e6014b84ba4907423686da1e1aed4641d896332971f29c4ddde9c8b4403022100d40dfbf3c85400d5d88ddc7dad729aabec5a31ee0d819fc619815d0efc25f450 . . . . [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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