www.31981.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:c1:2f:3a:a8:6c:7f:57:a0:85:d1:49:a6:6d:99:ae:6f:c6 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:c1:2f:3a:a8:6c:7f:57:a0:85:d1:49:a6:6d:99:ae:6f:c6Serial Number (int): 327074132896082414950193863411020222853062
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 37:c1:87:4f:2f:3f:5f:16:35:41:de:0a:88:a5:75:45:76:3b:a5:57
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 1e:46:26:a4:25:a7:48:fb:2f:d7:2b:ce:cb:e2:cc:66:96:fc:e5:97
Fingerprint (sha256): 09:8d:99:8e:34:72:ef:cc:9f:0b:88:40:3d:7d:6e:07:ac:9e:09:c7:05:74:c6:b0:90:9b:38:ed:2e:60:a9:0c
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----- MIIGUjCCBTqgAwIBAgISA8EvOqhsf1eghdFJpm2Zrm/GMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAzMTUwMjUzMzZaFw0y MDA2MTMwMjUzMzZaMBgxFjAUBgNVBAMTDXd3dy4zMTk4MS5jb20wggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQCtrPic+0KpdQT7IblF/hJnCyQ4ptYaJBZ+ pTKCK99UTuhrgZ/gJpSWZIHjbZmaFVhT01vYuMhKaKlTtcGEDyrvS7Ov9/UNQ7Mq /FdwLHPRfpzvQA6egseF5MV/l+z+oMJn/8ZHQEe17JTQSiMNK0wUqzDxcb38NMEK J4yIUQCVVK1fLKLwq/jZ4B0gKv21uKKjt8x0F7cE9bV4ESm10RrAvJS4fhnqIOfd BJKBAdFX7jeGARWtuOFaDpinBo8AD5tpS6KW3rBIcdlcv/lTalrrb9FYXrwEdB7v rjUuMbm9NoxYT94odfUB0EcGpod6XRQy8IMOGrRb3wJvHJ5Guh48ItVjBojlMmC4 0GSlfcwQpZSP+IzVc2jCftNjtU8QpfuvISXzNr3kg0UU/roAI2jqWCFlM8iA7Qx7 AC8xnnO8cT8fTePLgIrw/alwBDPgyWwK6xLGaouy+u3MTlbRObNMsMF81dGd04Ou bd40QRaVscUbN5oUm3G9GoEMFySnBXP6fHeFLmSgvdgZWQIkjo1IN9Hv5sjT7Wgd BtYrHT1BwZHt5Nc9NaqhVsvqGUfWdyDkB7dqr2h3Ycuoj7fZdyHh1hIei2e0sGqy MVkdjg6aq6OQuANeiklE34uCrfQICwnyzQzSE9ip6KECHFvx3PtK5meDNou1qKP8 JkBFsxXGlwIDAQABo4ICYjCCAl4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQ3wYdP Lz9fFjVB3gqIpXVFdjulVzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDXd3dy4zMTk4MS5jb20wTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHy APAAdgDnEvKwN34aYvuOyQxhhPHqezfLVh0RJlvz4PNL8kFUbgAAAXDcU2GHAAAE AwBHMEUCIQDdTH4FNwJ/2O9C9i9nh02Jc9IPhPOUaBhFysDlMZhxHgIgdyR0MNZp CvFzix/NrHl2ugDP+JJsXf34L5YtW20DArYAdgCyHgXMi6LNiiBOh2b5K7mKJSBn a9r6cOeySVMt74uQXgAAAXDcU2F9AAAEAwBHMEUCIG1CZWtazXp52NMD8V67aypc il6nA3JsxO8HhvyfUtZZAiEAmhGfmxHuubeTRYIunXe/R11MSpiDBvaXbzsx+V2L 3KkwDQYJKoZIhvcNAQELBQADggEBAA8Ae28igdkLSz+s8ppyV8Vf8qdhC29i3Iy0 31kclDqVmnjqpW+DVRk79k5B2cbFK0HiX/oOny/tC9QkXyNP1tZsi0EzUcUAoJlK vxS2xPnk5L0wbq6xrgHSEZ9dwO0B5/GAAUyXklsu4gkNFxGe4ntJk4EpZBqlWvrk q9J3HEUvP53IwvwUEnWtzn+WhqdfOOl59ZS/RagfzEPlK1mGRZRuTsSJ6Cb0V8yR fDC41QptVrPC2d9wMnaGya6Yv79zlNbNmbHA8JEG0dqEC+9WvOHt9Ch3FslPDaM6 Ebg+skn9JBGD3XBluHlcDiHS6f/yx5kTcBKuF5TxOi2ZQC1CveE= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAraz4nPtCqXUE+yG5Rf4S ZwskOKbWGiQWfqUygivfVE7oa4Gf4CaUlmSB422ZmhVYU9Nb2LjISmipU7XBhA8q 70uzr/f1DUOzKvxXcCxz0X6c70AOnoLHheTFf5fs/qDCZ//GR0BHteyU0EojDStM FKsw8XG9/DTBCieMiFEAlVStXyyi8Kv42eAdICr9tbiio7fMdBe3BPW1eBEptdEa wLyUuH4Z6iDn3QSSgQHRV+43hgEVrbjhWg6YpwaPAA+baUuilt6wSHHZXL/5U2pa 62/RWF68BHQe7641LjG5vTaMWE/eKHX1AdBHBqaHel0UMvCDDhq0W98CbxyeRroe PCLVYwaI5TJguNBkpX3MEKWUj/iM1XNown7TY7VPEKX7ryEl8za95INFFP66ACNo 6lghZTPIgO0MewAvMZ5zvHE/H03jy4CK8P2pcAQz4MlsCusSxmqLsvrtzE5W0Tmz TLDBfNXRndODrm3eNEEWlbHFGzeaFJtxvRqBDBckpwVz+nx3hS5koL3YGVkCJI6N SDfR7+bI0+1oHQbWKx09QcGR7eTXPTWqoVbL6hlH1ncg5Ae3aq9od2HLqI+32Xch 4dYSHotntLBqsjFZHY4OmqujkLgDXopJRN+Lgq30CAsJ8s0M0hPYqeihAhxb8dz7 SuZngzaLtaij/CZARbMVxpcCAwEAAQ== -----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 327074132896082414950193863411020222853062 . . . . . . . . [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 2020-03-15 02:53:36 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-13 02:53:36 +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 708534910904415905581168106005918674095534597721621208574362750423776127470562430328670552777921431721841825853882360293170995868884901795334884532191149301961058344060898674284027561431740589088895648379738943108792014188240059995640271401772019926676830269051819065282633308141680485182010040247593722907798600614625072109054144694799594152224355867846034106747633100768627624733536719273552423592780484403791080854428794888139314567638781210970505165407729856620599038150131186036415496041875859085205022900389877827919773737796362291273230131368849453553204728447095438227324118125332031432725583736847019219914602429604213309868713220721530152629316470875812191904778998609131521162043963885143093131305482063271027988748382543774005214710855019912196951776411508931751061648710124042281242638608566933512393114691095074640214500469972093754404331922488803617912971150556761367306318064476862631996063686043047684568629744168464721657115473621668373466869756399031151818101769957102238579786010765615209838489749740541065410978488782653814297621709483828448721036334231357821854887300978867289869829276257492951151052908788222568289467221318017834922504176136091929392071262397053879681658146825767006947313489514698461169436311 . . . . . . . . . . . . . . . . . . . . [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) 37c1874f2f3f5f163541de0a88a57545763ba557 . . . . . . . . . . . . . . . . [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) 00f0007600e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e00000170dc5361870000040300473045022100dd4c7e0537027fd8ef42f62f67874d8973d20f84f394681845cac0e53198711e022077247430d6690af1738b1fcdac7976ba00cff8926c5dfdf82f962d5b6d0302b6007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170dc53617d000004030047304502206d42656b5acd7a79d8d303f15ebb6b2a5c8a5ea703726cc4ef0786fc9f52d6590221009a119f9b11eeb9b79345822e9d77bf475d4c4a988306f6976f3b31f95d8bdca9 . . . . [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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