www.31871.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:93:df:2a:ff:fd:be:aa:c2:cc:e9:ce:da:46:e9:f1:16:ed 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): 03:93:df:2a:ff:fd:be:aa:c2:cc:e9:ce:da:46:e9:f1:16:ed
Serial Number (int): 311655006844304971407865019734091430434541
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: bb:c4:f6:51:d6:52:95:0e:7d:f6:41:cf:5e:f7:6b:31:f5:ce:41:83
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 24:7c:07:7f:29:43:52:c8:f5:52:0e:59:81:6c:74:41:95:e5:8c:b3
Fingerprint (sha256): b6:63:ae:cf:8d:75:37:45:5f:f5:fc:23:73:91:f2:6c:32:c5:dc:83:e8:45:ad:38:d3:8a:21:36:cd:30:e5:a2

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 311655006844304971407865019734091430434541
 . . . . . . . . [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 2020-02-03 02:33:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-03 02:33:24 +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 654404997953734379624480088562499854959101181190102713881535033645443463647573621192681551377613414894169821250816795011335847919179135060574613706998827985140836973764096113927517827622610322311474226929262049431665410767073076836669734336147466122183463178268669398697639730408411643633088958566342020761892966202094322948455371811478391975815878210674489666319442801907459906138321161221166655387143851039086377594876983046493717090677362627351022821724471626748263599255141537435491354220424912527489616826316294872876744323279348052846505255356997568215082736276192051642132569411231640809376559400499959496797056510688010605108419127431741806298551584625216648950122144151838084340749743293143697393819635445928576326355864721526541275162052108893940425673955380176972075540420388920816468459894816033777382515289692768333517102670770792845267223243310571662193788154704614989731412448585083853788779676181431512038108466073632017863425560020039585675970761552677464397916270097334042782776338964484798186606865250772485382205184711460069924542767867730312757290516837854223126394152290896506022947984182833221926330704748971517279904958245014669462638739869039467876744997011382759873208473079334537455462725867688322859960537
 . . . . . . . . . . . . . . . . . . . . [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)
							bbc4f651d652950e7df641cf5ef76b31f5ce4183
 . . . . . . . . . . . . . . . . [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)
							00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a11212841875968171455800000170091c25aa000004030047304502202523743b75f899633611d0ef4e555488631c2495c3ea6c05ee20954eeaa2dd51022100ee74ea47eb4e0381825e54a950ec6f602d4d1d9dcda4a5273f5d705e2bcdfdc800760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170091c25d90000040300473045022100cbbccde2fc36d8d81add8810fc6e89b814bcfe330ec31e5dc6692c8d037921e802206dbb53ef6a4f2aa8997464c1ddf0b13b3e35eaa2ba4054a103af39c52df81841
 . . . . [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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