www.71421.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:50:09:5a:46:98:55:bb:27:68:5d:0b:c8:78:f1:f5:b5:6d 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.71421.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:50:09:5a:46:98:55:bb:27:68:5d:0b:c8:78:f1:f5:b5:6d
Serial Number (int): 375684164871233281479753918758381814134125
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: e2:b5:4a:43:bb:9e:e8:d3:83:70:2b:f5:0a:68:7f:3f:1f:0b:9e:1e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 90:b1:21:33:c7:dc:50:0a:08:48:70:58:15:0c:9f:33:09:a5:9d:31
Fingerprint (sha256): c3:eb:b9:00:7b:30:85:4f:7c:f0:fe:63:b2:65:49:e8:9b:a0:d1:9e:57:6e:1c:63:07:4f:35:3e:ee:87:ed:97

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.71421.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.71421.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.71421.com

Other certificates including the domain name 71421.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.71421.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 375684164871233281479753918758381814134125
 . . . . . . . . [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 2019-12-02 18:55:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-01 18:55:20 +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.71421.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 935661313010830554427920762395647118936133765293201271520621413070696240336655503244108354296316938546191077940936742502122780945635634332993487165263646246114479053317957976550798473241489425493477697616243931945873535733692005137223149779409299366636017980456611692912115994037990729631065267874381278677159015892370332476468894995930287980458380710009216377323423478147645268986241649992980098706554286131203561259376445412047283777850563108367254973803518573359910835641206206531464689657251663325454590418793849832143458546349653950060496604879049392019190246209731310251164701589950639401235501166068393241568770985474096373231877952571312245383377197654714204200135247381833786521933845875946377137030496458262649747734662652653167112402005978590601328302638060621790838719603720805405873356111966898937791805498377682725495689981628104601158901353192389643721594671337171490888211378477079824857107507191583061800361787299987899725701380741056380341312765382265160026864227965590383683223998780727840311598104018338711206906427482664473675715702128946796444250759983804879742859083339652076691580964353323632892195610418359539526072697426609767246119786971159539884884288514026828656260617609295297947000818401007560613901459
 . . . . . . . . . . . . . . . . . . . . [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)
							e2b54a43bb9ee8d383702bf50a687f3f1f0b9e1e
 . . . . . . . . . . . . . . . . [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.71421.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)
							00ee0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016ec82e7d1600000403004630440220622819f5cab59a015da4193cd6baf4d72717781134744d4e084efa129e4d525802204c6bd07b9c8cac19dbc9b89d56f4bb91708a06ca6b52749956551f19d2bf903700750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016ec82e7d40000004030046304402205d06df8a6a1368abce780e7a887f1b488fbb55c46cdcca0dda4796b88b2ede6002206a921d8cd8e0b67fcc668551f0b5fb06f07e7dedd88106ba9c5820d84b1f725c
 . . . . [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)
		002c05191d18ba8168c741c7e133ab438bacbc228ad5f29ac7856fe7b0c20d010c3c16ed0e10fc40031907d12250b7c80332611bd9c6c8d2876e2175647e9adab79f4ef03ef69e31c6899a4f44c09ccd74c98168687c0655cff52a760b42ffa7fd63986072436293ebf5e6a758f75b838b87d454238119d6ce14e981e17db2ec9b3170f20954ab8345b3ea024da50a3816a19a428fd62de627f84c513269baf57397b09eaf1a330714f2371667f938cba41c6c869d24df17903f81d7ce192c3bf8d0adbcb8fd631426e4ee1c1b805f27e5d1996921d6126eddf09b6869f6755783f83f985b73deabf83dfd9cf2384a1dc8871f1e26657214a86051509d34008965