a2ztech.co.uk

Issued by GTS CA 1P5

About this certificate

This digital certificate with serial number 95:2c:2d:b0:64:4a:4b:eb:13:99:ac:25:c4:07:41:9b 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=a2ztech.co.uk

Google Trust Services LLC

Organization: Google Trust Services LLC
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 95:2c:2d:b0:64:4a:4b:eb:13:99:ac:25:c4:07:41:9b
Serial Number (int): 198284359117355084320684499123202113947
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: e1:da:f3:80:07:7d:06:75:97:94:a2:59:86:06:08:3e:09:76:16:a9
AuthorityKeyId: d5:fc:9e:0d:df:1e:ca:dd:08:97:97:6e:2b:c5:5f:c5:2b:f5:ec:b8

Fingerprint (sha1): c3:18:1d:4c:23:dd:a7:c5:88:a1:7c:91:82:de:3b:f1:7f:62:25:e3
Fingerprint (sha256): 77:24:84:2d:a2:93:57:60:ca:15:15:b9:00:44:1e:e7:f8:6b:1d:ce:95:86:a4:ff:9d:42:b5:1c:3c:d1:9d:9b

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

Revocation information

OCSP Server: http://ocsp.pki.goog/s/gts1p5/O0QBxoNQcqU
CRL Distribution Point: http://crls.pki.goog/gts1p5/kDE61icPy9w.crl

Check the revocation status for certificate a2ztech.co.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for a2ztech.co.uk

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

a2ztech.co.uk
*.a2ztech.co.uk

Other certificates including the domain name a2ztech.co.uk

(limited to 100 certificates)
a2ztech.co.uk
www.a2ztech.co.uk
a2ztech.co.uk
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www.a2ztech.co.uk
a2ztech.co.uk
sni52705.cloudflaressl.com
a2ztech.co.uk
a2ztech.co.uk
sni52705.cloudflaressl.com
a2ztech.co.uk
a2ztech.co.uk
a2ztech.co.uk
www.a2ztech.co.uk
a2ztech.co.uk
a2ztech.co.uk
a2ztech.co.uk
a2ztech.co.uk
sni52705.cloudflaressl.com
sni.cloudflaressl.com
a2ztech.co.uk
a2ztech.co.uk
pim.a2ztech.co.uk
sni52705.cloudflaressl.com
a2ztech.co.uk
sni52705.cloudflaressl.com
www.a2ztech.co.uk

Certificate

The complete raw certificate details for a2ztech.co.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtq40OvylGpiqOChwYrk7
WUq5JvoL8wo3E+ociWIKUf/AKM5Aov9ns/aQ144Rkq3Q+sE/5GAgUE37YoR/NdiU
5XFqh3SnF3IiykYxFO9CO8Ha3Ir1H3ESQ76WoEI3EoUoVX5d/J2drIUmwrh79/vZ
ZGlKqjME8/7yTA00IMMXAZQgnKPb1NliEFEgSNz7TbxsojlyfJNtW9mwOW9L7Ihc
qJSMgsh07rFvsHudlS8w7FnWwr2OIHiYkiaphse7YE6etiwuYZyoKcLj8XnU588W
y9NopfEG2skyY6es3np1KU49ZZOoGAL0h2cCrbEqyuLh220/iQKJ69MAgHZdGxS4
hwIDAQAB
-----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 198284359117355084320684499123202113947
 . . . . . . . . [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 2023-12-28 00:05:41 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-27 00:05:40 +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 'a2ztech.co.uk'
 . . . . . . . . [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 23061274710240333273526670329130564108046484953126629846361122001186588562643687909952795163715927769108108564558327157864514500986688378708032108191064069297247557622048535352462784271361082745837811559437900449621914127264414827240550771836834644341553787630741941258860276291900357046314728357186150632492677716066411692018857833887294605076845622430199987032869699104960831366261993583761978949669892290202525502133390288431831034798832224167503684896149008320536536150617846690438732924596799267702753519731830803267922763316291985558447739013317456969019365035491627004577966794814214631296637650527355533572231
 . . . . . . . . . . . . . . . . . . . . [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)
							e1daf380077d06759794a2598606083e097616a9
 . . . . . . . . . . . . . . . . [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/O0QBxoNQcqU'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'a2ztech.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.a2ztech.co.uk'
 . . . . . . . . . . . . . . . . [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/kDE61icPy9w.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018cadf4a9410000040300473045022100afd86350ab7115e9f3fbc4f49c6977a67fd48d0020f082cfd043879ad2c676070220117c5d9fba844acec24697e8397db20117589f94afada5e528ed9de5980f6ad50077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018cadf4a92100000403004830460221008edd07dc848348b16449b3ef52904c56f889012fa0d76dcee03928ce254d5c95022100e7676a2a4f771bfd3bacaedbe249d605132d6c6ce8dcc3c79399cb97a273ed15
 . . . . [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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