91547.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b0:85:99:1b:fe:85:ef:e5:8a:c4:4a:e0:1d:13:af:2c:20 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=91547.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b0:85:99:1b:fe:85:ef:e5:8a:c4:4a:e0:1d:13:af:2c:20
Serial Number (int): 321404136686015123249926090529709818326048
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d7:b2:5c:25:7d:4d:c2:9c:68:f8:a6:a0:a9:55:94:93:7e:a7:2d:ab
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 73:82:c3:ac:fe:5b:c4:3d:dc:65:e0:b1:2e:41:df:d1:c9:1e:60:17
Fingerprint (sha256): ae:d3:e0:df:62:09:ed:d5:7b:21:45:22:e9:1e:1f:28:af:c4:99:e2:14:ee:9a:74:5c:96:fb:d0:6c:78:6d:29

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 91547.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 91547.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

91547.com

Other certificates including the domain name 91547.com

(limited to 100 certificates)
91547.com
547.me
www.91547.com
91547.com
www.41608.com
91547.com
91547.com
www.42147.com
mandinka.bible
www.91547.com
internet.limited
91547.com
44367.com
www.91547.com
www.dfwhairextensions.com
91547.com
www.91547.com

Certificate

The complete raw certificate details for 91547.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 321404136686015123249926090529709818326048
 . . . . . . . . [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 2019-05-28 04:09:37 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-26 04:09:37 +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 '91547.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 787385864192036738504558463109657867600582838469990360215353943875782558824012777250586007634055261085293804289256019672264582205318392202899678311883026333246735070561885717445642047099572612876537145895206237792556252266331904577200068476265717872679467532678825962052099178487763368838964642731149824259197945480731496824932177328217330467089760005279536340350470904654532380957714178240317888173861550850330091330310739784404647823183793557340723281228222568794107594079969870696892875199962958088582984475234693136503829045861622698342167592705482046945560946619372928253777649386419755013497467505063956657432952602118281159118638949081648815025317108989210820384581533147466332858417343770112229505487590383200045663841959700780088076619842953781212708067088223465679579668898227602784098466806748260257777417475021432888789317764663355640164966083313961698183329019340919080521869380796468374191125028612602256784580905599395137937167756306379357273262522298158642374657365842514276361861163781022218428701937338778952973107972260352484470450364926148186573974251005999343270619509490479909208635502435987458450916761891159763503205888809699134511259105017821009833388230394086341031451889388601293830583295951829827271364041
 . . . . . . . . . . . . . . . . . . . . [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)
							d7b25c257d4dc29c68f8a6a0a95594937ea72dab
 . . . . . . . . . . . . . . . . [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 '91547.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)
							00ee007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016afcd80a3700000403004630440220106c9345ca75f6f727705f273fcf42b1ca68f6c632fb7bc90c4b3ce0537f2912022048afaf385bd74f62820df9fc43f2efaefb942ba4e4b70b1d5a6242207ca853d1007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016afcd80a5e0000040300463044022050e798aa63862d184270b5de0f9eefc40b9476d447462a6ead0e919c72e16d7102202bf5861699cf862d8cb24335859bf8774b74054bb539c9aca4fa60148a1b99b2
 . . . . [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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