gcn.eu

Issued by R3

About this certificate

This digital certificate with serial number 04:55:5c:cb:ad:2e:96:9e:4a:e5:19:fe:87:9c:cd:76:10:e8 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): 04:55:5c:cb:ad:2e:96:9e:4a:e5:19:fe:87:9c:cd:76:10:e8
Serial Number (int): 377496491439743221834027322534863182369000
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): 81:2b:32:d6:21:d4:5c:5b:1e:40:b7:93:94:c2:e0:cf:e6:45:ec:c0
Fingerprint (sha256): 88:5b:f3:5d:6b:e1:6e:f7:e5:5a:cd:b6:ab:3e:b7:82:5a:7b:d6:bd:cb:52:c1:90:a2:54:2d:06:05:ad:ca:b2

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check 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

Other certificates including the domain name gcn.eu

(limited to 100 certificates)
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu
gcn.eu

Certificate

The complete raw certificate details for gcn.eu in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----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 377496491439743221834027322534863182369000
 . . . . . . . . [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 2024-02-02 09:20:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-02 09:20:30 +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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d69558fec000004030046304402201852322619548f8d38d5ee363540f590679bb74475a408ee5cc58d9b54bdbfaf02204cb7583d78f8ea83fd93d7912c8625ee5d1e9b09d8fd1345784adc9f0930dbf4007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d69558ff700000403004730450221008cb9204009f323b71ccc3a27f04e33b5d6656019ce7da7cfcad59f7e0c7499ec022046918449afd17fa046eac854fdc910d2a16a18bdc7b3fa9bf6cd5d527efe709f
 . . . . [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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