31981.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:63:5a:f6:86:37:5a:79:f2:93:39:1f:40:ca:d8:e8:12:cb 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): 03:63:5a:f6:86:37:5a:79:f2:93:39:1f:40:ca:d8:e8:12:cb
Serial Number (int): 295145722667329926722948691896871070208715
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 35:a8:d9:6f:45:9d:5b:2d:68:84:1b:22:3b:5b:a9:13:1a:f9:06:3f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 40:dd:ab:2e:c0:d8:c8:1e:28:2b:54:57:58:c7:f3:7a:17:10:36:17
Fingerprint (sha256): 2e:04:f5:e2:fa:ec:6c:04:78:13:55:3d:45:79:2e:da:9e:f1:7f:75:a9:fc:81:f4:41:97:00:b6:b0:c5:22:c1

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check 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

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31981.com
31981.com
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www.31981.com
31981.com

Certificate

The complete raw certificate details for 31981.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 295145722667329926722948691896871070208715
 . . . . . . . . [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 2019-10-24 01:31:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-22 01:31:00 +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 811088830885389232667378535281965409542129544932504491317684830139045067133574194282475247075138430739566210306425615007615960454716942923356258757849803504681447114511002591230318318583456146494811633828444361670383105141217000817501654170734015606089584971901665319452465768699818931928143166802322420752483376675264031680187109492481148732066998987337159456337261781464178736963460222974442533303528418793647991678485590196393528637757075436291151732232102081762551151235007194340618974589769479457013135969283850696403165794839629245245798101910845008301515230699907652339749829720313912841722849295265701755382182526306917762193811886164287953876353097761539800998196247897564783275110613203959573818567229611540258347071580764296756708661006770568400060273624006984907446394789271032230294623960806413678333220904994847085303245995734654440056684139485995312865618061817541833607542966709793422588761094396783007648245756674833010431879161059874494725694936183702784834877899786247592858520211388055739115397979162208803082339287056174778051130733400428024182012142992131080835341128052268823768786095503857853820702336334939459537143009105177634022518666258448098895125507949802587363742024584964210356996668946826827738430533
 . . . . . . . . . . . . . . . . . . . . [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)
							35a8d96f459d5b2d68841b223b5ba9131af9063f
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dfb9a5e290000040300463044022066243a455859b99c5fdae82407a2bd57975f78398cb290c3aba517c39b3f0d6502203d0655194cb60ea96c449c7fcc8eb055ab59971af0afdefc42c1b501c269893e00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016dfb9a5e4f000004030046304402204510bbe6c0973b067a9acb8fc16cbed41745b7d20f1e79673d999c59fcada5e902207263cc160e5c17d104010b983487db399bfb9a28cabec781bab2417e47c52678
 . . . . [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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