citadel-engineering.com

Issued by GTS CA 1P5

About this certificate

This digital certificate with serial number 20:98:9a:33:a2:d4:69:9c:0d:27:27:c9:84:a6:70:dc 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=citadel-engineering.com

Google Trust Services LLC

Organization: Google Trust Services LLC
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 20:98:9a:33:a2:d4:69:9c:0d:27:27:c9:84:a6:70:dc
Serial Number (int): 43327652569723214909121715841393914076
Serial Number lenght: 126 bits, 16 octets

SubjectKeyId: a1:48:9d:03:8b:37:9a:d9:60:8a:bb:4c:1d:b7:99:1d:06:8c:4e:b4
AuthorityKeyId: d5:fc:9e:0d:df:1e:ca:dd:08:97:97:6e:2b:c5:5f:c5:2b:f5:ec:b8

Fingerprint (sha1): 31:fb:cb:6a:55:21:30:47:63:f2:d1:e7:35:95:3d:5e:c2:82:88:9b
Fingerprint (sha256): ce:b8:26:fa:b3:e5:48:e6:58:4f:20:86:c3:96:a5:39:e6:8e:92:b4:08:19:20:38:85:01:34:a9:47:97:16:cb

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

Revocation information

OCSP Server: http://ocsp.pki.goog/s/gts1p5/dINwzKerT9g
CRL Distribution Point: http://crls.pki.goog/gts1p5/kEu9ioQF6Gw.crl

Check the revocation status for certificate citadel-engineering.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for citadel-engineering.com

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

citadel-engineering.com
*.citadel-engineering.com

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Certificate

The complete raw certificate details for citadel-engineering.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvFTujhpSwaAQjyA2yOw0
6yTIpxB/eOlMP41nAU6s1Txxifgd9O4PpUQemTXSlCAJUrc/qLwiKI42VK2L+C54
SQ+ZwoU2XOlTN3HOlhlJMu+MB88snaVK5u3F70jiW2ab1FmhVZVhlcNWSFSqDhF8
gK/v05QFrEGyNR3ASpL3bibk3E8kiyx2Td52Z8VqGHLijRNfO566J5d5J/jHRT9u
6+Toj2SAHA5iwax3lDEPZiD6ZZP9bWr89HYJ1k6qysEYUOSINSh5Ms9tPrm2Vvnh
bZdM3XyJR/nyKTga1/DegoUnIlpOgrL8MM1s2Pv78RVgkf9k10ngf8XOgNs606QH
tQIDAQAB
-----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 43327652569723214909121715841393914076
 . . . . . . . . [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 2023-06-30 05:58:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-28 05:58:19 +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 'citadel-engineering.com'
 . . . . . . . . [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 23774682792665756502155731257614112972537005054590169549226775246119981832626303076754037707068703759171710399207296153433742411764255116485079221961458097373657592289852758067036642790092068897010163828450162718127702318880517224123203632663915906675583763926617068361707089677802289458934003051957019754355334969671952404081529502449809813270171215005994764732676410224985371415845988340625026224341138855404201757620617399281211347174315287147100114830357102497601307139598467225435231542378608931929009720981802662369894667918070797664309993106613051377193030398768424941110857644476202382126870899403123213993909
 . . . . . . . . . . . . . . . . . . . . [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)
							a1489d038b379ad9608abb4c1db7991d068c4eb4
 . . . . . . . . . . . . . . . . [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/dINwzKerT9g'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (54 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'citadel-engineering.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.citadel-engineering.com'
 . . . . . . . . . . . . . . . . [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/kEu9ioQF6Gw.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)
							00f0007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a000001890b187cde0000040300483046022100f96a8c789dd03d36a0177e14635d985bfc66b50085352a2fc9af82c891aceffe0221009000c830bdc51d663c71f7a050e7ee453fab716ffb3cdeed01276b6930cf211b007500b3737707e18450f86386d605a9dc11094a792db1670c0b87dcf0030e7936a59a000001890b187cc00000040300463044022001ce23b87bd2f21e1e3a9af40842ecbc9a45ae3b950b7b65a6b13484a5b37a950220725553826d8a80dfd59c2c4426f3e5eac1456d5338355dd7b276ce08b213713c
 . . . . [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)
		001e8152e212a44d765c6b1a0bffbdc9960eb48b537f4dde8a733aa3a4bb22ab4609f8ea3a4126936ab56659a93e010fd666771ab6997fdce35a098ce28936de7f42638219a3d203a9df361dd60388be57a5b3e8f844255ee153894696284691c644132308ec9bcebb1c92c99ca3d7d3d24da487b02289b514fcee69c78890a178a32c185d4f572e3b4c5d8f222d5d47e5cae08436f8a5d495445f469ec8f3c6a1a704509ee77d53c2a40428e04f3678c8b002628fd41e29a9179182e4cf11fa08a8096a395151b5dc91816ecbb9b5e9e0a317dedd082ce58ed56d35608e07d8e1f0bb530d1315fa113078a5d7cf9fd4076cb4ece7a95578776527d80775e8cfcb