helpme.study

Issued by GTS CA 1P5

About this certificate

This digital certificate with serial number 88:02:a9:f8:26:12:31:6a:0e:a1:85:f4:dd:25:c1:b1 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): 88:02:a9:f8:26:12:31:6a:0e:a1:85:f4:dd:25:c1:b1
Serial Number (int): 180788839408055373430363170912176816561
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: 06:75:27:10:30:62:fa:48:ff:99:81:a3:d0:91:e3:16:a6:9a:bc:ca
AuthorityKeyId: d5:fc:9e:0d:df:1e:ca:dd:08:97:97:6e:2b:c5:5f:c5:2b:f5:ec:b8

Fingerprint (sha1): e3:d7:95:0f:fe:6c:17:38:a2:0d:6f:b9:c8:08:7d:3f:23:6f:ac:f1
Fingerprint (sha256): 95:2b:73:d9:9b:84:e8:d3:f1:58:36:e5:36:34:0e:1e:fa:b7:72:aa:f1:1b:67:0b:0f:0b:e2:c5:b8:e0:9e:46

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

Revocation information

OCSP Server: http://ocsp.pki.goog/s/gts1p5/GC3Ij5_FyU0
CRL Distribution Point: http://crls.pki.goog/gts1p5/HDv_81s20XY.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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqiqkGa8QDqbhwkElt7K8
CHEryu3m3cKtKvbmYL0A7O29T79kNi2KJrgqPDhtlZ9w14K6u+vEk/dOPqF9FvP/
rMf+PCkp0e+O91KakZR2BUnroID1t7jgRzRWa+ZGe81wqw37Peq77UZ0gkWz7BNa
i2N6fAbY1a0D13LtCIirhJWnL7hEUfrVRGgHdo3jz+xNzcmkWsMShe031h8VJXb9
AXB4Rd5xIUdbK4eqCUdLucTqVtfXCNd7zbNgdNi3cGUpgIGuUYLNJqh79MUViy44
06t2qLKNN+vmkahQI5n/n0idt9t2zaROgYsMiXdfx2/KRzphceEUbbFT6gWSlbCQ
YQIDAQAB
-----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 180788839408055373430363170912176816561
 . . . . . . . . [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 2024-03-21 01:44:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-19 01:44:10 +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 21481538913355063867320566513162410101365326673891385914939457527971456342315818774942499857869600599960593563440430234424842482519156020212601324204956404066942279192623569385242014382381714077608390897765290422447284977361945599858774777842564031125336207669425377813348368581757193379533662355797871181080733099846919094229907672199212013397718562683155707324513263047471790604545930157378635166167821364919165090750796203044540315088475363830137283516024593651808010370021985127323684820764312452768960063555465250557254630955952503963504571013187429513664220568371784570493927029210807930826436287599447420997729
 . . . . . . . . . . . . . . . . . . . . [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)
							067527103062fa48ff9981a3d091e316a69abcca
 . . . . . . . . . . . . . . . . [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/GC3Ij5_FyU0'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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/HDv_81s20XY.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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e5ee5079300000403004730450220251ff006bf65381920112e8f89522e5bc1ea6427653a2f74345b2b33131d50da022100a064fdcfb126badbc566827965848eed7ad10714007d3d4c66da80713a303555007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018e5ee5076e0000040300473045022025379ea3fd123c49f43741e3f29132fdb4a8af9717fd32a6c1655bdbd14e293502210088c28126199d2c77b733f0223e6593cd573b453d4c3bbec6557cd790335f08e1
 . . . . [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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