crystofab.com

Issued by GTS CA 1P5

About this certificate

This digital certificate with serial number aa:10:b1:80:8e:53:c4:5b:11:cf:83:51:87:91:d5:6a was issued on by Google Trust Services LLC.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=crystofab.com

Google Trust Services LLC

Organization: Google Trust Services LLC
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): aa:10:b1:80:8e:53:c4:5b:11:cf:83:51:87:91:d5:6a
Serial Number (int): 226055436204925043308630694769493923178
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: a1:8c:56:eb:35:07:81:fd:ff:b0:42:ea:59:f6:f7:13:b5:25:39:07
AuthorityKeyId: d5:fc:9e:0d:df:1e:ca:dd:08:97:97:6e:2b:c5:5f:c5:2b:f5:ec:b8

Fingerprint (sha1): e9:4b:c1:2f:4b:cf:ea:00:3d:ec:d9:32:1c:87:71:33:70:a7:4d:07
Fingerprint (sha256): 02:89:8a:c5:55:e4:95:ea:ea:96:fd:c1:bc:09:ea:fd:11:4f:a6:c0:82:59:85:16:18:f5:1c:6a:d9:1e:60:82

Issuing Certificate URL: http://pki.goog/repo/certs/gts1p5.der

Revocation information

OCSP Server: http://ocsp.pki.goog/s/gts1p5/Y-Jzf_RzwJ0
CRL Distribution Point: http://crls.pki.goog/gts1p5/wH6uKcfZ7VQ.crl

Check the revocation status for certificate crystofab.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for crystofab.com

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication

Extensions

10 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

crystofab.com
*.crystofab.com

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vizboard.vizlab.cc
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www.geapcrist.org
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Certificate

The complete raw certificate details for crystofab.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApaf4aNwZHbJ7Jd9mTEJj
gC+3iuwr11oELdnpp142hKL0crxIW836s1W4GM2kXGUcbybQTnF8nBwtFYZK9AMA
imz9GcN8sGcYZedjt7wEK1mkP2paNoxOIFHiwOHMaLv1A5LGhZHMfZc8YfL2qNf2
iLhuxDe3DjbSVoPCR2LMxAtFAi69oi0vp0MAG5R/gbe/28gxa7sO/z9WQ15jAbfF
qOoO/TfadoCB90aO++zA1Ky1W5LhHUgIsg9ERrqSSABS/fwLk+5aR236P39+9sgf
GAhj6fakOoYjk/aHWDBykTJaTWub0341mb0yP0i2/7yXSHvAmeHBe6s0NfHTLCx3
QQIDAQAB
-----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 226055436204925043308630694769493923178
 . . . . . . . . [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 'Google Trust Services LLC'
 . . . . . . . . . . . . [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 'GTS CA 1P5'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-26 12:24:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-24 12:24:39 +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 'crystofab.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 20912149586089957442580749591275123096306819823843555364717524161531000763962141351114225643296381037886232778858991344874317086387558551796888690567468892868210371260898144299573657754054449040768256696981627251480351786451828643914822387958506528264654915803132248110198805047640992100173597143667578084413138443118488754603428505405651336094557446051174723537304069780707710690752973091662458507392487442567563755731483828527242675962752755178352266709066959316852100975940773355837571836390908222042259682633340337614853449517281078758484965628859678984231246046660687865138383434481736177654949818706164940830529
 . . . . . . . . . . . . . . . . . . . . [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 (12 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: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)
							a18c56eb350781fdffb042ea59f6f713b5253907
 . . . . . . . . . . . . . . . . [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 d5fc9e0ddf1ecadd0897976e2bc55fc52bf5ecb8
 . . . . . . . . . . . . . . . . [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 (108 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.pki.goog/s/gts1p5/Y-Jzf_RzwJ0'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://pki.goog/repo/certs/gts1p5.der'
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'crystofab.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.crystofab.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 (26 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 1.3.6.1.4.1.11129.2.5.3
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (53 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crls.pki.goog/gts1p5/wH6uKcfZ7VQ.crl'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b6c2897620000040300473045022100add15e0818087d44a5f501b1634f24426a1ca2cb874b0671248caeee1c7e50290220109245a7ab99741b6beac2c818fd36dd36dc4a66a0fe1a0ec18ba61a6c550ad3007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b6c2897230000040300473045022100b2aee1a24aed66c138519247ac8367c709bb31d21bba342e93ea4c4e0e2931e802207de440705c092425224b9f7e6a7a837c009afd0446c36d4134dd082a735f7970
 . . . . [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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