31981.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:66:cb:83:b8:42:66:bd:2b:e5:3d:90:75:a1:cb:d1:87:f3 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=31981.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:66:cb:83:b8:42:66:bd:2b:e5:3d:90:75:a1:cb:d1:87:f3Serial Number (int): 296316176432473491160875706774531427370995
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 43:c6:05:1a:ba:03:33:bc:ed:1d:e9:4f:19:39:5e:0a:67:8d:b0:19
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): bd:95:07:a6:d8:5b:cf:ae:68:1f:b4:17:29:eb:89:8b:8f:0e:dc:12
Fingerprint (sha256): 79:2c:99:33:3d:0e:4b:ef:0b:74:d9:87:96:10:2a:c7:fb:78:c1:eb:b6:c1:4b:a0:50:ab:07:29:93:03:78:16
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate 31981.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for 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
31981.com
Other certificates including the domain name 31981.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for 31981.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGSzCCBTOgAwIBAgISA2bLg7hCZr0r5T2QdaHL0YfzMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAzMTUwMjUzNDhaFw0y MDA2MTMwMjUzNDhaMBQxEjAQBgNVBAMTCTMxOTgxLmNvbTCCAiIwDQYJKoZIhvcN AQEBBQADggIPADCCAgoCggIBAM6IXOjSBoR4OnPYNj7rZHJ7vJQrTT43pURnRRPu 2kq9R+PtzRPjNw7VEeZliBH7uATa/zqvgEEoBUWXUg9B2TOdp+cKDzTkeCLnbF9D yUc1WAfk6AiKzbxCndTHfxuS17NksGM0bhgJ9zGqjC3BTtMtUCqk5HCYDwH2LeaB NY3GFyZt1utshrugvi95DX6O6jXfd3SqSEFmPSFxWHg+Jn0h66M6WKuNhCHed8g9 4OPzaUN0lk9lRKyXOyt6Kr/w5uDZcHyrpSF6t16IA7l+v/NNg+GCCbDvsgCvxPuM NyAD0mDEDbuaXHt2+xNEZh20seUSoASC/u4iv8wC7RhnHp1Kc2VgE1bl1hLO3n/W +v57v4M2dbXnd4PCN6jbBe6E5ACu+MB8xbrVNoq+5/cNUcR1PHic2SiqqLiH/ASm hmJVzrPHrIwwYiZcx69GTLbAGs2FR2xxnD5PxOCHYqPktYX3c9nxsK/A06VxHR5y qLkBoDM+Dof0hRAgphR1sFD1z3aCqxc78C4jNeMCyuP1493S5CQmAltqE5DurAWA k9d4RfxT1hK5XeXMSvspq7qm5vfjLTkks6+S/2yOpTuvDNgsA2/SLP6sJ8iYW8Yf AUlBeeOibkj7e/D9N2EddhSf4YJqMbvNoLbQ9bQ3mBjNu0N/jlEcdjKtKsiWtckS zLDvAgMBAAGjggJfMIICWzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYB BQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFEPGBRq6AzO8 7R3pTxk5XgpnjbAZMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8G CCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxl dHNlbmNyeXB0Lm9yZy8wFAYDVR0RBA0wC4IJMzE5ODEuY29tMEwGA1UdIARFMEMw CAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9j cHMubGV0c2VuY3J5cHQub3JnMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHcA8JWk WfIA0YJAEC0vk4iOrUv+HUfjmeHQNKawqKqOsnMAAAFw3FOQfQAABAMASDBGAiEA nRsFcURzDWbhQO9KBzij92gaWmOUaBMzrQ5hn0KkMAsCIQCKY8NGwpeDVxe/kqBM R40tSS+fcK79BZ9pMZAjXL2G8gB2AAe3XBvlfWj/8bDGHSMVx7rmV3xXlLdq7rxh Ohpp06IcAAABcNxTkKQAAAQDAEcwRQIgTc+nVZs5nnIdnaM2MHO1GgeHhPDhpMay Z6P9UP9inNcCIQDszhTcA3+j8DZyVtnp31KqnC2gglTrSjEJGZ4Y62Q2YTANBgkq hkiG9w0BAQsFAAOCAQEAEDUCnXSHx1fQ2RKCUtbhO2iQSwNftx1axdFAJ42ZZu9s 6xpeJN25RYOBBWqznmyMLbYJfICCdd+owfulBD7ghxpStHviM+npMhkTh9myengp hZU8VOtV17JW2mKFdEqoOB7bSkhm05zGk8E0qbCJSEfZKkvTa6vS07YMet9XaLdj cHjEWM99A/Uun55iKTEKP27dKXpABsbMW2QWqD3A33qdjp2kDtygL547xGtEtZ+L fHo6dRi3+F0IxQLbxYl2NW7fxigt50eCNuQFAtlgRXczu76uhT2Hje8Kr/bGCuIb B9gkHiW2sE5VHYIcC0wka4d/UUaeiCFMeibhWIGtIw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAzohc6NIGhHg6c9g2Putk cnu8lCtNPjelRGdFE+7aSr1H4+3NE+M3DtUR5mWIEfu4BNr/Oq+AQSgFRZdSD0HZ M52n5woPNOR4IudsX0PJRzVYB+ToCIrNvEKd1Md/G5LXs2SwYzRuGAn3MaqMLcFO 0y1QKqTkcJgPAfYt5oE1jcYXJm3W62yGu6C+L3kNfo7qNd93dKpIQWY9IXFYeD4m fSHrozpYq42EId53yD3g4/NpQ3SWT2VErJc7K3oqv/Dm4NlwfKulIXq3XogDuX6/ 802D4YIJsO+yAK/E+4w3IAPSYMQNu5pce3b7E0RmHbSx5RKgBIL+7iK/zALtGGce nUpzZWATVuXWEs7ef9b6/nu/gzZ1ted3g8I3qNsF7oTkAK74wHzFutU2ir7n9w1R xHU8eJzZKKqouIf8BKaGYlXOs8esjDBiJlzHr0ZMtsAazYVHbHGcPk/E4Idio+S1 hfdz2fGwr8DTpXEdHnKouQGgMz4Oh/SFECCmFHWwUPXPdoKrFzvwLiM14wLK4/Xj 3dLkJCYCW2oTkO6sBYCT13hF/FPWErld5cxK+ymruqbm9+MtOSSzr5L/bI6lO68M 2CwDb9Is/qwnyJhbxh8BSUF546JuSPt78P03YR12FJ/hgmoxu82gttD1tDeYGM27 Q3+OURx2Mq0qyJa1yRLMsO8CAwEAAQ== -----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 296316176432473491160875706774531427370995 . . . . . . . . [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 02:53:48 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-13 02:53:48 +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 '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 842579772576630685290686499191078770794630349237410240232713613424270832208620283001280849790367665929433111921241448674932170326870703901543404577223179754580702273656259614383593061837556010021198012604576832879118486812245360813538237791668962521659773919854426499741302115996761067396095334527964995256253514189962568096491238886997810165690808719224068463083484931228135715567444337060964122644181083885115983852874271839975101877334769848923905785225967943431584319360974928107658439782280547312474984715445409224276195704776389347300182611725525345793677501602823617342819635620350452312869377382270291698559673402468536780975861950728308165109462811723024946744945960711937884833680096177146725121228207182768187136280264348191369832457869479888160683333936687161373326165425328491890260644153250927311887272905537467843134948033347468255082990907312843755769430889134021079329957070328892740903912574854935545321902695780926141534848825291148355194461088491542606503288217488665453014104266434181428896609387202398700333544793167036319092470548047000436889984655418456936577956278943466246059676788917568861559103884507498205408520769848279821777476817890855348863624813892090976462399821599609556961284544895510133965893871 . . . . . . . . . . . . . . . . . . . . [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) 43c6051aba0333bced1de94f19395e0a678db019 . . . . . . . . . . . . . . . . [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 '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 (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f1007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb27300000170dc53907d00000403004830460221009d1b057144730d66e140ef4a0738a3f7681a5a6394681333ad0e619f42a4300b0221008a63c346c297835717bf92a04c478d2d492f9f70aefd059f693190235cbd86f200760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170dc5390a4000004030047304502204dcfa7559b399e721d9da3363073b51a078784f0e1a4c6b267a3fd50ff629cd7022100ecce14dc037fa3f0367256d9e9df52aa9c2da08254eb4a3109199e18eb643661 . . . . [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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