www.31871.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:14:1b:42:27:4d:87:d4:0c:28:b3:fc:4a:c8:65:4a:0d:bd 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=www.31871.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:14:1b:42:27:4d:87:d4:0c:28:b3:fc:4a:c8:65:4a:0d:bd
Serial Number (int): 268178737778334945118363453754562814021053
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 34:45:29:3d:31:15:33:02:c1:80:39:c4:84:7f:4c:c2:2a:7c:4d:f5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e4:00:83:50:0c:2d:64:54:ed:97:45:6c:b4:f2:41:b4:38:c2:53:c4
Fingerprint (sha256): 6d:d6:38:a4:18:d8:4a:d0:f2:73:81:36:ed:42:dd:d7:7d:ea:17:9d:cd:9d:5a:96:28:18:dc:f7:9d:1a:3c:6a

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 www.31871.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.31871.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

www.31871.com

Other certificates including the domain name 31871.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.31871.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 268178737778334945118363453754562814021053
 . . . . . . . . [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 2019-05-29 02:51:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-27 02:51:35 +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 'www.31871.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 895990655661704622691596422785367394706054781487397252008238945631683750349343274516000711679637207231069277354254280108986513340330737587816499418832562424856929831086229108814190355996408166619123905893899816416484550421007795704592482592443324307503936972633316375235339012101025143143380469696023504509813351106662388004216718123557035472164037368502419591168279276278611286183959404042944571913152823703840741271708775907824770400825550181943590948350189765222168740717148040986051925703459755792519784854666161360778407576081929445365309596661735075399023974116747067138664207121130290067567211009451647863761755760122681540572679169415968149976000765616652360868218905081796274316079838860458657342356046856005735477479149908436755944115045140075963394460013930512625674166549956384129876600328512430365960683592493857366515103886109859096689215815269262561750023303718071203125232352803065927543933765859405945865688731363596548031709674112822101603088264073891756237950325949896420405130713076702888894107249466238414728864235884510423974954623484403775263971681215702074994205059564779511446859060552643231423959819593148670746490149814851882322250924187390007112078043147132457898499559618593742114159226856163645426136443
 . . . . . . . . . . . . . . . . . . . . [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)
							3445293d31153302c18039c4847f4cc22a7c4df5
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.31871.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)
							00f00075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016b01b6f5790000040300463044022001a876e33fe37beccb299246d1758c7616603e2120d517540f25111129e9ed450220130963b154abdf91d3be11b598cc601bf4fd4cd182fd802d5bc48026bdf920f200770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016b01b6f5210000040300483046022100f9a017d28a401c42a7b8add9217c24007f35960c5e1a45a62cf1086211c9d7d10221009162ea3fd344a5a79e762fac82c59563dfeaf88e700f8561581c7bbbd0b26cae
 . . . . [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)
		0056c2f82814879b159c8d9eca027ea77ffaf934e293d6215abe5bff8dc93aa135fb01ba1002454b62082352d1bdcbae82791fc0c668debc2428ab2cbf1017b7e0c487879a5d041730a085658c8f298454d3eadb2cc19dd3c114f8857dd4b3833fd94432511d5038ef52fc061f0c64e65761094bdaf67ff092a7f353cf83c81d93f33e10d3d523a3b4480e1921289d54dcf5390222732d5c3aad0f346152f1dff6f04a3e381e6979e3a4696fd7c6504f8375cddca934b1ce64b117fd1f140ce91f3bac2556c554c536b9bd5e124c9432e618ed081eee52014f3e2a90f29f34c1a63d8761cffc39034f360483d800a62ee018754adf970ecfa3135ee312bcaf5b6c