helpme.study

Issued by GTS CA 1P5

About this certificate

This digital certificate with serial number f7:ea:b9:eb:e4:a4:ad:cf:0e:0f:51:23:c3:a3:c0:e3 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=helpme.study

Google Trust Services LLC

Organization: Google Trust Services LLC
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): f7:ea:b9:eb:e4:a4:ad:cf:0e:0f:51:23:c3:a3:c0:e3
Serial Number (int): 329538083358927903546038396970229547235
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: ab:bb:4a:08:cd:4d:e6:a1:35:c1:51:96:99:73:e0:52:c6:49:b6:10
AuthorityKeyId: d5:fc:9e:0d:df:1e:ca:dd:08:97:97:6e:2b:c5:5f:c5:2b:f5:ec:b8

Fingerprint (sha1): 7e:6d:31:2f:a1:7c:db:55:fa:c2:60:d4:92:61:2b:6f:dc:ce:ac:83
Fingerprint (sha256): 09:12:23:1f:40:21:46:40:6a:ec:df:b3:5d:32:5e:2e:d0:06:94:38:03:c1:91:39:bb:d6:0e:7d:b2:c9:a5:d3

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

Revocation information

OCSP Server: http://ocsp.pki.goog/s/gts1p5/ikXeDWGed0A
CRL Distribution Point: http://crls.pki.goog/gts1p5/58Kow7l5APk.crl

Check the revocation status for certificate helpme.study

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for helpme.study

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

helpme.study
*.helpme.study

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Certificate

The complete raw certificate details for helpme.study in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtpf2Mep/UAmDOQz12AXP
SodkR63k+g2UKPqFQUahX7k4ZqmUrO8HnB/W224kp/NdMAQtMHARjrlcEjsUbspe
ix0vyouDZ6RkBZVDz2ydJsmO7pvFPmavkzSmyoeFPq9sf1odvcISqonks8ZkGtkS
fVzquyj+4yWb5QGBg3vp4LdQOlnti4hxSbAePezLgq6ONNkGB7Z3qKGYxatVOSEI
aACZnkAk/X3o8MA4rrNyTLBaP+b8ir7TyXqoajsAdJ5CSp95GYXvsJfnmC+1SfuB
raCs9rCKi7wmXqbqcSJjOKB85TpE74GOVpmjy6kRufmqDaPbTbdKeA4dVE59MGY1
twIDAQAB
-----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 329538083358927903546038396970229547235
 . . . . . . . . [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 2023-11-24 02:17:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-22 02:17:55 +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 'helpme.study'
 . . . . . . . . [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 23050306610547051888945121347466587922310668454766626960375431292965553240618801769485609990993417980195593124177752887778260823266990785408889594180548781359537471004130156833660088713593676153360395791314210674178228690496541978032827315024715285480039848607971793904756052056262308789954608396743610217324692560994628861564472655867931214885120076835852278788793552664140818677339528167697719080263504843115044415558306786127713962650830723252705064290845011695470997635744081158079248591600592324397467522973487749355421507011039984170035766726787671776823405806213514792403416181313908066394666433005608124167607
 . . . . . . . . . . . . . . . . . . . . [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)
							abbb4a08cd4de6a135c151969973e052c649b610
 . . . . . . . . . . . . . . . . [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/ikXeDWGed0A'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'helpme.study'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.helpme.study'
 . . . . . . . . . . . . . . . . [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/gts1p5/58Kow7l5APk.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)
							00f000770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018bff558537000004030048304602210087c293bc8c7a8a04b2ba9008dcd13dfdcd5627e74de1245e85138cba8a5b308f022100e0d121d2274c67f68f799c01b15e0a414dda21557969d82e508b8d5e3c8edf1f007500dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018bff55853f000004030046304402202c3400b7d3b36b835698dac46c2389ec70598f8a78baf5272647b26c6388ccce02200ea227ef448e5444f131936b996b4e1210d41590c70f6a7f46dddc882557898f
 . . . . [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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