frenchbulldogpuppyforsale.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:dc:37:66:f2:bf:02:ad:18:74:95:3a:c6:12:54:26:05:8d 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=frenchbulldogpuppyforsale.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:dc:37:66:f2:bf:02:ad:18:74:95:3a:c6:12:54:26:05:8d
Serial Number (int): 336272620595411474180844469764378488866189
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ab:ab:8c:35:46:1d:fd:b7:2a:b9:91:da:2f:f1:20:34:f3:b2:6a:c8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e4:ef:dd:50:7e:7c:05:56:60:a6:4a:d5:0c:8f:e8:3f:d4:4d:0c:fe
Fingerprint (sha256): 2c:1c:83:a0:17:fd:c5:5c:f5:0b:2b:89:2f:5b:5e:20:0f:65:ea:dd:ea:2e:2e:42:be:a7:fa:2a:94:e6:ec:0e

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 frenchbulldogpuppyforsale.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for frenchbulldogpuppyforsale.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

frenchbulldogpuppyforsale.com

Other certificates including the domain name frenchbulldogpuppyforsale.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for frenchbulldogpuppyforsale.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 336272620595411474180844469764378488866189
 . . . . . . . . [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 2019-06-11 11:00:58 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-09 11:00:58 +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 'frenchbulldogpuppyforsale.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 785291801975003719018708879037157891316134756427565643172357748090678448728106202379510999865061537431555756738931469970770677459981097581907403742730680017735921650761666087991488738539045419523074675875057339412661353841002600345639559939942281166509925159349541249273085295885945381600128519279890382004413067936175010860478489724988052361534169351419099883085833199368793709376612895189278325602163229097583544630680734939130124596182717338459177083949713650000537245477662859775298674623970938834577714404218936684650032343953131842072514021397156650120001700397974713435759665602851503294746542014992615754904007314727107553544664389375845771072219920222747225998003845382108276642394519179780502672190000448006759181415114533723926277260360607447896239791476297392729328987559997938706519806869278425620777145700253173915746555522385793416812807767883837336224854271417696754394014649274136627042605210846745150198325216604976337831701529206126126476281356355566979068604569518244103198424841644688386308650930319523520919768936578881622310471593414410213365125471967289913404397131333179689183708643645676526276093403046563301734772704409405689744203633719851131112907383520522356819700327642479621790021486373122349044543121
 . . . . . . . . . . . . . . . . . . . . [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)
							abab8c35461dfdb72ab991da2ff12034f3b26ac8
 . . . . . . . . . . . . . . . . [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 (33 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'frenchbulldogpuppyforsale.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)
							00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016b4669aac8000004030046304402203371a394a58ada198f992124068b8873abd13eaf3beccfc5028b825af060017402203d7ce41fef5184af35584fa02388408be7c0f89172192e2455692eef2fb878b9007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016b4669aae40000040300473045022040d6d1765cdfbd6076096166dd81324d888881112a9f6aa851207843039a89620221008f7e7a0b333b26a16192b5e6f3cb9be0b3008cefe7a014293f90e893ad0421a9
 . . . . [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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