31981.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:49:e0:02:43:10:59:b6:62:9d:4f:70:14:dc:f4:89:73:4f 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): 03:49:e0:02:43:10:59:b6:62:9d:4f:70:14:dc:f4:89:73:4f
Serial Number (int): 286475229396375644698840950311064609321807
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 6c:15:d8:21:c9:54:8c:cd:fe:93:80:0a:86:27:65:93:d1:b4:b4:e8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 1e:f6:0f:c7:0b:b3:1f:ee:d0:80:3a:a6:d5:3d:72:91:88:aa:19:a0
Fingerprint (sha256): eb:b6:82:39:a5:32:a1:b1:5f:d2:b5:ba:1a:63:88:d4:e5:b3:d4:f5:10:2e:38:e2:d6:ea:75:87:e7:c1:95:9d

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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www.31981.com
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31981.com
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31981.com
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31981.com
eccentrica.org
31981.com
31981.com
www.31981.com
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 286475229396375644698840950311064609321807
 . . . . . . . . [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 2019-06-18 03:27:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-16 03:27:56 +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 784091171911684371405699235132884209418572907065783999147692117072947502406674004986652622111514580942629674054195108324497968434670413096737464400482022525775038880805104790650721923153538895643581416075229571101850205404267046174050010745313476778151767942103479123605321042767106289098476357195674807949398735261314616876902968647412918404629214578495057073684755535034480115506379288835531675801614300091125992522315384363637569593915011125924849300732701572077021438593523469232935358935370037806681220973812373552721368271078625115840042215956378178782595846824732758809884679953203548253121638959651433343603594509983868382467488923349756291234712970982604168824873293642091492215060470586674403850293995576243188261169179611186795480858316011961195851308131695557927427784404378945825831164208181432443212309846934440148744301248880835218700025298358802427213594562884240144570289554814576765803918798878880946086213511237723514564245526186403407191537070597709413276900389136202581156486216130668251287946503170613936340398114446403287071819014035736854265967916821459676249164782646483747051047559477414872309999934570657317767196456955773641500134431830096624328186468984582528135930065590129876772709622636643705346219151
 . . . . . . . . . . . . . . . . . . . . [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)
							6c15d821c9548ccdfe93800a86276593d1b4b4e8
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016b68d76ba8000004030046304402203fafdcf709f6c9944cd935c1ce768abf8c94926756aa73786aa646fb009aece40220550cc49e1eda8faefbc0908c0dc30cdebe79e884e02953cfb8e9d2c96660dc05007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016b68d76b9b0000040300473045022100a48b2ad6c87682fdc91c08b7838b47d8745be175a2d77c38f113faa97a0abe5a022054c866456af96a72cc1a9356f7bf670542dcfbd6326ede486a6e069861db9e06
 . . . . [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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