duel.tech

Issued by GTS CA 1P5

About this certificate

This digital certificate with serial number 1c:c0:8b:4f:5d:e7:24:5e:11:01:80:2d:18:64:cf:3e 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=duel.tech

Google Trust Services LLC

Organization: Google Trust Services LLC
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 1c:c0:8b:4f:5d:e7:24:5e:11:01:80:2d:18:64:cf:3e
Serial Number (int): 38218130421837617073184850012440678206
Serial Number lenght: 125 bits, 16 octets

SubjectKeyId: fb:58:de:26:7b:d9:11:d1:de:19:20:45:14:62:2c:f4:81:02:64:bc
AuthorityKeyId: d5:fc:9e:0d:df:1e:ca:dd:08:97:97:6e:2b:c5:5f:c5:2b:f5:ec:b8

Fingerprint (sha1): 2d:53:7e:c0:04:7c:02:23:d5:8c:72:72:19:1e:eb:a7:32:41:3e:45
Fingerprint (sha256): df:c1:ae:e2:28:83:19:c7:53:31:6a:9a:b6:cf:99:9a:80:34:86:41:96:4c:f9:a2:21:d4:68:be:a1:f5:e8:ed

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

Revocation information

OCSP Server: http://ocsp.pki.goog/s/gts1p5/sZ4dC3y_ySQ
CRL Distribution Point: http://crls.pki.goog/gts1p5/aLim8fPah-Q.crl

Check the revocation status for certificate duel.tech

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for duel.tech

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

duel.tech
*.duel.tech

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duel.tech

Certificate

The complete raw certificate details for duel.tech in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3wptt3l/MiZG5eyyUV5K
75n+yuZ0gh9wR3sofJI6LX1seHYAbOZq5iUnNyUbe/4pzWt9ZtxsIu0iXFRITbkS
SKkamvef8oNF34I4rl7ooEk62yGsqk6EBca22HTm9QBWNRe8DH10MNhT2IQb1P36
KHrqEAp5oBqbZjnXXQ6gCkXkaH12YxamdfsGs5pRWXEYdrwROtpd2CVhOvGPnTlN
41zwCaN4tF5mP+1CkN2oAcxvoTNb0q0kIKaa4wbkSntVWgImYci3q1/9VBnKaf25
vgec/Yjq+7VyjlSDTPv1IDq3iCYUkYhISAcintG7wRTRweR3fUrpPaEZIWRbxiWd
0wIDAQAB
-----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 38218130421837617073184850012440678206
 . . . . . . . . [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 2023-06-08 10:47:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-06 10:47:15 +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 'duel.tech'
 . . . . . . . . [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 28156284532312821441504756453606688061398223025408298108962436260967148300691893818456075489105564711497494503438723458991780718567888287005976867853584873918172173807566756079052450408476765889768994281438424297797599247301033727842605258861545066198082620487441630976022254927765462035156899394745568860837693292685363487840753352806065442364721489984760957218211020722989535259860180176103065594914726571089260528601748040230409236625720769521974056491999542431971290328164968058493572818218955744243490023451752151566685453224282569318721132198305593826980471303805238283744178442192939695510119162452896236543443
 . . . . . . . . . . . . . . . . . . . . [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)
							fb58de267bd911d1de19204514622cf4810264bc
 . . . . . . . . . . . . . . . . [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/sZ4dC3y_ySQ'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'duel.tech'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.duel.tech'
 . . . . . . . . . . . . . . . . [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/aLim8fPah-Q.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)
							00f0007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e000001889ad519920000040300473045022100bde891677d4c75898cea08ab030376bf2f0fd8d5dbdf652bac65345bf7dc44330220309d4bb73f80cea5504f8c896b1fa84667a792f121f5ab53ce1975fc322d7dab007600b3737707e18450f86386d605a9dc11094a792db1670c0b87dcf0030e7936a59a000001889ad519a1000004030047304502200c53ba7806610aafcd41f461d9fcd5d7f0ffc825e71d5a157db16a0d65e0d488022100ed058ed65f0578a25a9e0dd3aa09794abcc07075f1396d544441d453c922e725
 . . . . [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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