gcn.eu
Issued by R3
About this certificate
This digital certificate with serial number 04:c4:c4:3d:76:32:7f:85:1c:31:cd:0d:72:29:54:bb:ab:b9 was issued on by Let's Encrypt.
With 14 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=gcn.eu
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:c4:c4:3d:76:32:7f:85:1c:31:cd:0d:72:29:54:bb:ab:b9Serial Number (int): 415405335458152346434028081657145527610297
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 08:67:0c:98:be:37:1a:9a:c2:c1:2d:8a:0e:04:cb:b9:0a:e9:3d:74
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): da:1c:a0:82:87:9a:f4:59:06:5f:e4:54:1f:1d:ef:63:b2:4a:c1:c2
Fingerprint (sha256): d2:d6:2c:9c:ab:47:6e:5f:ea:de:8c:2c:ad:ce:95:51:4b:75:1e:68:af:f9:71:66:05:56:e1:4a:ad:8c:14:30
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate gcn.eu
14
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for gcn.eu
Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
embn.me
gcn.eu
gcntech.co
gmbn.eu
gmbn.tech
gtn.io
psg.to
www.embn.me
www.gcn.eu
www.gcntech.co
www.gmbn.eu
www.gmbn.tech
www.gtn.io
www.psg.to
gcn.eu
gcntech.co
gmbn.eu
gmbn.tech
gtn.io
psg.to
www.embn.me
www.gcn.eu
www.gcntech.co
www.gmbn.eu
www.gmbn.tech
www.gtn.io
www.psg.to
Other certificates including the domain name gcn.eu
(limited to 100 certificates)
Certificate
The complete raw certificate details for gcn.eu in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFcjCCBFqgAwIBAgISBMTEPXYyf4UcMc0NcilUu6u5MA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDAzMDIwOTE2NDlaFw0yNDA1MzEwOTE2NDhaMBExDzANBgNVBAMT Bmdjbi5ldTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAM2Iz+WjtIaM HcaLb2XcVN9W1NrIEPq+jjVOn5tXyQKvgS4W4CHDs9fKH/MykST9KdIuq1CRuGyG Cs8Xh9TPJ6OTLIPo0evza5KVzeyu5g7jIJ83+jrBVwJIDjWq8wBdZUmN2ZiKv804 rS8rYi3mem5Ogz2fUupzwKNCcQGHxBp4A5Ch315AxZ0JqXWUAIK5Laptv0fRzlTR /zenITEVfgpdk/TBQzH/PTJXmqZIjJMQymxy/X/lBAqnYMLtn0jSEZn01Z4J7GKe Zr1eNSENb366izO3jj+6rwvlQHhfyVN/F1OQgTsP2uA2T/U332LHJX4yDJBex28y AEIJX3F8IZUCAwEAAaOCAqEwggKdMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAU BggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUCGcM mL43GprCwS2KDgTLuQrpPXQwHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA5h+vnYsU wsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMuby5sZW5j ci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8wgakGA1Ud EQSBoTCBnoIHZW1ibi5tZYIGZ2NuLmV1ggpnY250ZWNoLmNvggdnbWJuLmV1ggln bWJuLnRlY2iCBmd0bi5pb4IGcHNnLnRvggt3d3cuZW1ibi5tZYIKd3d3Lmdjbi5l dYIOd3d3LmdjbnRlY2guY2+CC3d3dy5nbWJuLmV1gg13d3cuZ21ibi50ZWNoggp3 d3cuZ3RuLmlvggp3d3cucHNnLnRvMBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIBBAYK KwYBBAHWeQIEAgSB9QSB8gDwAHYASLDja9qmRzQP5WoC+p0w6xxSActW3SyB2bu/ qznYhHMAAAGN/qqbHwAABAMARzBFAiB/MVJY8vZQrgaCNChDuSOObMAgsJ1LOEGm YztaFO4qbwIhAPMHxzrsd/sVpAyN71IqOvGAdVBEdrSAhNoy9GtXTyHDAHYAouK/ 1h7eLy8HoNZObTen3GVDsMa1LqLat4r4mm31F9gAAAGN/qqbLQAABAMARzBFAiEA 3tFrT/WCRvxNVNa0S5O6PCibTYdoqNGRlyBwz/tqeGUCIFreFCasz5bjh1cGIlXA J3zcu668cAwU6GPhKALfrBi1MA0GCSqGSIb3DQEBCwUAA4IBAQCyLueFeLKliXeo K1uKZ0zyY8iBCYCANIopwE29z5rtqxM9fOr44s0QenTWS+0CzMoBp7S6NXzGhKdn f5sXK/YBToNQZ0P+rcD7n0p5sOUz+gV+aAAiOWgnce9KclhDXPOzlLjEijRFk2Zg sBnYQ67C8Z8U63Dla8sHxy9qX3oZbojRCbMVP27IyEqYdoY15NuOmUViZPlMMYIW dR+SmTbLc1CAqProefxi1ldgpfoHk2VjGJwdUAsfzwHpVMhLp+z1V8Zdll2o+Vrl nEQh1RfmdKlTsImiWh+G0j1DRPRXS3ebMieFHEqh5CsEhSZ7HbkfepylrqvhbPHy dBfX7KCn -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzYjP5aO0howdxotvZdxU 31bU2sgQ+r6ONU6fm1fJAq+BLhbgIcOz18of8zKRJP0p0i6rUJG4bIYKzxeH1M8n o5Msg+jR6/NrkpXN7K7mDuMgnzf6OsFXAkgONarzAF1lSY3ZmIq/zTitLytiLeZ6 bk6DPZ9S6nPAo0JxAYfEGngDkKHfXkDFnQmpdZQAgrktqm2/R9HOVNH/N6chMRV+ Cl2T9MFDMf89MleapkiMkxDKbHL9f+UECqdgwu2fSNIRmfTVngnsYp5mvV41IQ1v frqLM7eOP7qvC+VAeF/JU38XU5CBOw/a4DZP9TffYsclfjIMkF7HbzIAQglfcXwh lQIDAQAB -----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 415405335458152346434028081657145527610297 . . . . . . . . [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 'R3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-02 09:16:49 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-31 09:16:48 +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 'gcn.eu' . . . . . . . . [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 25946317077891124509991235570625446923505616632273858110463820723676129364809801317962991875599757451657261615592426270236720474559527698124388733412403676183614627494880078926199992393107501123456595985779668693947004358069501385763377205619417191505474796650516509864169811453241569563033405927138174677498162120833314899086160381530199538804039890834903106328940501583147307507979547357949680656356186705237887826851896386822007681711737230326339588267424772453567284313467950967830359831221281896076283578488114428358632962680339159513247950024449384382063663610108126910080794758799325874828547709164731013800341 . . . . . . . . . . . . . . . . . . . . [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) 08670c98be371a9ac2c12d8a0e04cbb90ae93d74 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (161 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'embn.me' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gcn.eu' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gcntech.co' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gmbn.eu' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gmbn.tech' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gtn.io' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'psg.to' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.embn.me' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.gcn.eu' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.gcntech.co' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.gmbn.eu' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.gmbn.tech' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.gtn.io' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.psg.to' . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018dfeaa9b1f000004030047304502207f315258f2f650ae0682342843b9238e6cc020b09d4b3841a6633b5a14ee2a6f022100f307c73aec77fb15a40c8def522a3af18075504476b48084da32f46b574f21c3007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018dfeaa9b2d0000040300473045022100ded16b4ff58246fc4d54d6b44b93ba3c289b4d8768a8d191972070cffb6a786502205ade1426accf96e38757062255c0277cdcbbaebc700c14e863e12802dfac18b5 . . . . [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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