asianbikinibabes.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1d:02:b5:6b:1d:94:33:fe:66:ed:11:9f:a7:11:2e:6e:b0 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=asianbikinibabes.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1d:02:b5:6b:1d:94:33:fe:66:ed:11:9f:a7:11:2e:6e:b0
Serial Number (int): 271208646870272230957548631480713001987760
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c9:b5:9a:c6:a8:67:5e:dc:48:f4:01:cf:28:60:39:8e:37:0d:1f:ca
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): cd:8a:fc:69:37:38:7e:4c:78:5c:3e:24:f9:a0:a7:57:2f:72:dc:68
Fingerprint (sha256): e5:49:72:c0:dd:06:78:ef:0c:da:dd:33:51:93:37:f3:45:96:69:00:3c:2e:e2:00:a1:64:83:9c:da:3d:6b: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 asianbikinibabes.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for asianbikinibabes.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

asianbikinibabes.com

Other certificates including the domain name asianbikinibabes.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for asianbikinibabes.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 271208646870272230957548631480713001987760
 . . . . . . . . [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 2020-01-12 07:25:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-11 07:25:04 +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 'asianbikinibabes.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 703087685352822764232906937329273602457061906774075663097069589123415539705891123229611068757826343212918337002544689256302796053677208216268086011080735668441703441500588663289352768503880764683449723976566534773208962332828958997389680608878955990758593729969355404292754922534890590362098593093096440253434263255986344246830466084922422811264045123580894433358639371926098492503636906355123095208503324875313701168005548884175521523945938284813654655660991388516506225831987805578865554151857412179367774235827490515616748400798194811181743746934930338404064636124879502839639685299138957429407599410975257783505495481748914978068569038338172212142484410497199556778733885557098090040246422874997676406248307597425462261983535239758134037683169404421392343978911772388834969210776024261136257271587061489956259217723622806244272188149628137384435825963446372525902526983398934418845432710452149449327891283877909997145698288476707670411855963369590951156567389292814073261312195898949578608072060316543393749317512753215299238312624009899190839214726567574462085928534591208456023690675294503856631589672788839660997649839288727057344166415306418213790300224872830543273789581024401468696848502654233476568583735101626227716942909
 . . . . . . . . . . . . . . . . . . . . [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)
							c9b59ac6a8675edc48f401cf2860398e370d1fca
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'asianbikinibabes.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f98db45450000040300483046022100e77b7aa6df0ef1e6303232c70eaf9ec8ce46dda6792e914542b9b2a2899c4d79022100baa336010f52c9baddfd091b2458d9f0e47aac42b38e2df17ff9cc5ae042b8af0076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f98db45960000040300473045022073f2736529470c8d9a14287a0fcc0b8c2ffeb44d79a987eaee096044b93603c7022100d69a378591df6cee2cac22d4ad126d64e23bbdc9192455e7e34839b4e13bcdd0
 . . . . [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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