31981.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:2a:ef:27:df:de:71:0d:02:e9:16:f6:bb:5c:e5:13:e2:43 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): 03:2a:ef:27:df:de:71:0d:02:e9:16:f6:bb:5c:e5:13:e2:43
Serial Number (int): 275946609737131214385614088116279434273347
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e6:e5:35:5b:7c:c3:d0:14:00:a7:86:de:f8:8c:8c:8b:f6:d9:28:d8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 7a:ee:d6:ea:bc:b9:90:8f:a3:1f:40:5a:1e:45:65:e9:6e:62:fa:7d
Fingerprint (sha256): 21:73:95:46:8b:42:c9:33:14:e2:22:ad:7c:ff:7c:f6:dc:39:ed:97:79:7e:6a:7d:46:f7:9d:f8:0f:4d:93:7b

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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eccentrica.org
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 275946609737131214385614088116279434273347
 . . . . . . . . [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 2019-08-18 07:41:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-16 07:41:31 +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 739692199900903007278044649724896299872040612870626520073061583486395268440966420428681897793019532032620291611057181951138124582721976125503022367808158917935032923271476232822218382279867071790035213339736963713035713048249902782742381787755887442870627367090380692032076239699510193264353293659833592336188766564169140229995225754426747322555451102612683176091136473887439248454112618107909009558732677100840259340656598119675036147560802917639755222230014701485288988575945398437294718431106714198535722889830886566043320396077469163215299084343040570441605328572539024284304481048488941501236130228979794778171039107712235863374015511436800154595656072044765847011389842986028186353717592954041567430385679264293220628558842031798510965750496469888053418577131003889431388721332859263035513000722730774819148698774634043073394936667410285980356843354360557637698308433396176887675555160949895890984822243399456340251043917446408165738596861357206873938932900196131554580434695577159408245307732767437697769190786014399414085041147975488510800910576023608097370683347364733540824188082675350671691889316807369057774937554152514653365475405253859411142304779901198879338464088081996047610827154890450555000829779218513631488553537
 . . . . . . . . . . . . . . . . . . . . [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)
							e6e5355b7cc3d01400a786def88c8c8bf6d928d8
 . . . . . . . . . . . . . . . . [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)
							00ee0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016ca3e37fe400000403004630440220409b1581ea0e76d31f13539351cb1c16a5697cd3ae84db83c7fc9fc7ceaa9ef6022066dda65c04098d0573c54d335bf02b37526cbde9632002656667ae5970915cb0007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016ca3e37ece0000040300463044022061215348a183625fdadf58b4581084d17313a80611f75afcb272060ff2b8ce38022006f8b328c93be2d88d24f555c579cb31fbb609fb75cb62e67efde872afc73e46
 . . . . [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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