gtcore.ca

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:ff:79:c7:94:b2:0d:26:65:eb:de:cd:a9:22:5e:c7:9c:73 was issued on by Let's Encrypt.

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:

  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

gtcore.ca

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:ff:79:c7:94:b2:0d:26:65:eb:de:cd:a9:22:5e:c7:9c:73
Serial Number (int): 435383020162348422014580713107308694445171
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c5:f0:b6:6c:dd:56:e0:0a:57:16:3a:ec:5c:82:d3:1d:f4:62:a4:e2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ad:96:ec:05:a6:67:eb:14:86:47:26:1b:96:fa:59:49:12:cb:1b:0f
Fingerprint (sha256): 00:0b:e5:1c:e1:54:c4:48:7e:22:f2:1e:22:a7:f2:73:1e:99:23:a9:69:88:0d:a0:3c:bd:33:0f:ce:af:0a:15

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 gtcore.ca

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for gtcore.ca


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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

gtcore.ca
www.gtcore.ca

Other certificates including the domain name gtcore.ca

(limited to 100 certificates)

Certificate

The complete raw certificate details for gtcore.ca 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 435383020162348422014580713107308694445171
 . . . . . . . . [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 2018-01-14 11:51:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-04-14 11:51:16 +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 'gtcore.ca'
 . . . . . . . . [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 941642416745339785326174661420761703222605028890243282874716531361371928992585404758552205605094263238000556118358846784906168834012554844769791581656460205434599902542139114313082116168868240992342812675278830088229148142855181920971451605061132701682929679203162018969148531497436763068964931581524305469851928863976146691293277479460706516314228903881725972393245345313622976865479997075155455755025199256246294822041628917797009318533359307349353816085164268193798807854840540728661458815192708036897745297591759225387701400826223530272425560494924035809738854690140868378029846019933589393304787433940535224496998695769413219465102314102830908671172462001567363394553897299289025593459290259130962885033477292890433445474414308211707767342285183885018725075014672241270691062487999146971544608690338606689151861234607720228500191347761391531957427539074880654795528829853929890042831887200362381362903714958271740947466766405631384320456457231726036676621073603762201796113753520188599693624859919151463736477627020262838192537899389690330115248986021727282617913935672215221393397490901780883283774883262146290254835570605995254281485252062801173427092268590855655263176347147484326689239267254497366974103609939615705885918441
 . . . . . . . . . . . . . . . . . . . . [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)
							c5f0b66cdd56e00a57163aec5c82d31df462a4e2
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gtcore.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.gtcore.ca'
 . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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