geologia.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 04:72:2b:26:d5:e1:df:71:65:65:28:f0:18:c8:3f:42:18:c6 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:
  • 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=geologia.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:72:2b:26:d5:e1:df:71:65:65:28:f0:18:c8:3f:42:18:c6
Serial Number (int): 387298692005176081515453189588822163331270
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ff:f4:78:35:39:da:e0:c4:bc:3b:6b:3e:e6:71:3b:f5:58:24:97:23
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 18:0a:5f:d2:f7:f6:06:c4:18:91:4f:4c:b3:3f:77:4e:d1:ea:71:b3
Fingerprint (sha256): 1a:2a:1f:38:ce:29:71:15:43:a7:73:a6:11:1b:15:39:cc:19:5c:d8:01:37:b2:b2:ba:f3:8c:de:ae:a5:e4:e2

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

Revocation information

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

Check the revocation status for certificate geologia.co.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for geologia.co.uk

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

geologia.co.uk
www.geologia.co.uk

Other certificates including the domain name geologia.co.uk

(limited to 100 certificates)
fotogeo.geologia.co.uk
paleontologia.co.uk
fotogeo.geologia.co.uk
fotogeo.geologia.co.uk
geologia.co.uk
paleontologia.co.uk
geologia.co.uk
fotogeo.geologia.co.uk
paleontologia.co.uk
geologia.co.uk
paleontologia.co.uk
paleontologia.co.uk
paleontologia.co.uk
paleontologia.co.uk
fotogeo.geologia.co.uk
paleontologia.co.uk
geologia.co.uk
fotogeo.geologia.co.uk
paleontologia.co.uk
paleontologia.co.uk
fotogeo.geologia.co.uk
paleontologia.co.uk
paleontologia.co.uk
paleontologia.co.uk
fotogeo.geologia.co.uk
paleontologia.co.uk
geologia.co.uk
paleontologia.co.uk
paleontologia.co.uk
fotogeo.geologia.co.uk
geologia.co.uk
paleontologia.co.uk
fotogeo.geologia.co.uk
geologia.co.uk
fotogeo.geologia.co.uk
paleontologia.co.uk
fotogeo.geologia.co.uk
paleontologia.co.uk
fotogeo.geologia.co.uk
paleontologia.co.uk
fotogeo.geologia.co.uk
fotogeo.geologia.co.uk
paleontologia.co.uk
fotogeo.geologia.co.uk

Certificate

The complete raw certificate details for geologia.co.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAp+fgicUIWKtPPC5aywy6
YnDiTnAtX1fhn7ZEJOKyE+c8h65A8l3tzk9uktMfHEm9KAn6iRGnTbeG8QwQMH9Y
fw8HVf/xg+bNrUhOTqXy0oudig1pTt78XCh62vqTMO4Fjj2nhQvAMxNYVzrpCYUB
JPo3VEkXYZwB49HDDrtEMlvtQqIZqeUgNOw/Wsv+yr76sJNlKed0650LVXdeuJXr
9Q9LfprJM7QjSl9QqWG/oOE+JQMKN4+ZVTnlP4oiDJLZdMZs97BsA+0eMBQ2Tfdo
1IzMhcVnGdOS5MoHxuEGjPOEdSg+2Y6LBcGoF74daEhFNWu5BsoUNgC+ZN+uqdvK
uwIDAQAB
-----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 387298692005176081515453189588822163331270
 . . . . . . . . [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 2023-09-28 22:33:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-27 22:33:31 +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 'geologia.co.uk'
 . . . . . . . . [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 21196139790042482294280943488313905639208267772749962594468283796223133366165846656559057372352524566959282155960621226502689251144258171501005107311686556889449172297115185685425903814640973538236497875666265532475448021571337967046649557376748022736640557921118464275069178945846023386947214140786965865783604228037209352340142233629046223269966862493065595324435792495970995157648963970205686995721348224378579809050228806964194605859542689397850578401454320285478033791405054493301120449588202313481518623855031566317829869373235239329492205435274284849962546348574355149413562813173154791344923486975347973147323
 . . . . . . . . . . . . . . . . . . . . [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)
							fff4783539dae0c4bc3b6b3ee6713bf558249723
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'geologia.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.geologia.co.uk'
 . . . . . . . . . . . . . . . . [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)
							00ef0076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018ade23f1df00000403004730450220652057e68fe239745bcc0904f5e49edcbce3a42cbf5d2dd40d554366832fcee6022100e15bff6e6ad30c34277e2dfad2de392747ab3fc6905709d2a9d6c366a1e98f80007500adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018ade23f23a0000040300463044022012ed949bfd698d5ce090b5b612edd66a8df7fc68b8d5bf2add78d9faf8d2589802204ffc2be9cb115956d58c41fb3934efdfddd23b739f7727213d2a611c91822650
 . . . . [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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