31981.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:21:3f:b0:99:39:ac:07:1c:e4:c9:1d:88:cd:ed:88:6f:0f 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): 03:21:3f:b0:99:39:ac:07:1c:e4:c9:1d:88:cd:ed:88:6f:0f
Serial Number (int): 272650834219431175706453883584734105726735
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 70:7c:ab:ca:65:1c:9b:fc:da:68:87:fa:4d:56:01:9d:7f:c2:fc:2f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0c:4b:1a:a9:45:cb:50:39:c9:13:9c:85:05:12:ff:7e:26:a6:8a:db
Fingerprint (sha256): 96:8d:bd:1f:30:f8:9a:0d:38:0f:4b:ae:36:2d:13:02:03:b5:b3:32:18:e0:63:ab:da:03:df:f6:0d:d7:b3:63

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 272650834219431175706453883584734105726735
 . . . . . . . . [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 2019-03-23 06:35:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-21 06:35:02 +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 770417261760400550659357792507798308975096862068706763224750660579403633017462219604319100233687323145879197231059695468395384405866991003350537015226858176669069256337951175840761691534007093116314004770496375240236088414459730200791104136964637568505815043591046882458654451355746575440847474666166280029554194800958283261486099345313290813584531708688201790189706757825686119287300436826928574015353868030855817451072672216233253275805364684810690985506215197585408667817015917228568775526636471571680281859823856246287239623134777536679764475317604110179531095207485574982711042712947246337356057184976469160683466181049338939373310804256671102391598058059837077559297239104568498182588842777350693477656451876071625229434137383856202059648121807434167455525904321171472056383095896829011498355316536365488597365857673693392666843763512191100847658521103990526565766133857614491174915893726219413339379119493848221527695215726465839340814004707825654127149065609185590136023335437984046845943967007510567842517975968111186488107149111936401218032549050080474725062652476690651915897767985950636248327989813917925765432289301471145093213605342361246442380421314589046935021524020309053447521969297226193253899955881180780400657301
 . . . . . . . . . . . . . . . . . . . . [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)
							707cabca651c9bfcda6887fa4d56019d7fc2fc2f
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000169a979727a0000040300483046022100eb67bd576cce45296decbb96206e60de0f46601b0873b618c136d10df8f9ce7b022100db768c0a49cfccaabc4cefee8badcfc03692d2de6a25048cd299f19dedc09169007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000169a97974710000040300463044022013990e31009aa526a66f5277b12d39e030b37e8b1c65800d86de3b56557a1be902201d504573141b28e6a81fdcd7e2db2d4a50c4fc1ef9beb1ad8d24fbeba791417e
 . . . . [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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