www.89251.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:5a:c7:fb:c1:64:85:7d:fa:15:45:69:3d:0a:8d:73:db:91 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.89251.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:5a:c7:fb:c1:64:85:7d:fa:15:45:69:3d:0a:8d:73:db:91
Serial Number (int): 292228094378307075711234552178928583433105
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c0:5c:c9:6d:64:0a:17:62:b1:51:4b:a6:b7:03:e2:21:60:7f:5c:4b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 28:a9:6d:bb:50:f3:f9:79:70:f1:dd:fc:23:2e:04:d2:2b:6c:6d:65
Fingerprint (sha256): 85:59:12:94:8d:39:0e:40:1a:75:db:31:ce:40:a0:53:22:90:a1:b6:26:6d:ea:c5:92:e0:9d:30:d0:a9:d7:9b

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.89251.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.89251.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.89251.com

Other certificates including the domain name 89251.com

(limited to 100 certificates)
www.89251.com
89251.com
www.89251.com
89251.com
www.89251.com
www.89791.com
www.59781.com
www.89251.com
www.89251.com
89251.com
89251.com
87252.com
89251.com
89251.com
89251.com
www.89251.com
www.89251.com

Certificate

The complete raw certificate details for www.89251.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 292228094378307075711234552178928583433105
 . . . . . . . . [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 2019-08-29 02:28:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-27 02:28:39 +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.89251.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 948107162028809684959894821939368405602297742251097020845153541624268048573618488579461748939722311051248194364592610445077184782363689968027751780299512222722451667153801025690735508091747804166937669765144946951925616883338328739083000825883753306360211512640925139809281047217580401344576929427592031637020008896732878243548445914043016275258004173092781456777760395361701337689815441887648137362649932704299885608637875837508764492767022607373938439991533656570792957795742380234862658414640847646279526639365721505076128968193857211076658200504658212819036754744098446372090606975783724044862130610177462971008272222208511406718851479959884266356409421143310971119907391478079478985577012982996745025718147370771340677848718014257698461986408300823151105041378505517164102827683109760673413902173689934934428792651726099438283972970114232060865130809872883526020497553713890437347063592473968377456074783981957844857564114170810752767171049693910030789980525837532747749547363453763107540950305730265588839253606249794470697340012029569876776735136735620781185268618004459971527459418906862977391618271119298301858253977493808538767345360828029482308545714079492003829652343665661302051957460766010733166145185260440532314496499
 . . . . . . . . . . . . . . . . . . . . [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)
							c05cc96d640a1762b1514ba6b703e221607f5c4b
 . . . . . . . . . . . . . . . . [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.89251.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016cdb6b03a2000004030046304402202e0b0b46b686e92cc0d7abdb7d039f65d05896404ce11137dbe286e94bccfa320220230e9f59281ce4c11a54b828904a285817be75a1a4ae1ee008d7e0ba9f94ad2100760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016cdb6b04b8000004030047304502200354ef515d0c1497052a5a9b302469fd18ed1ee0917ec4c85bc49e78be47c91f022100b15fdc2d573c31254626271d8bf67d9248d107071a623b2186f0eb8a38631d78
 . . . . [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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