geologia.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 04:ca:4b:4c:11:09:e9:eb:0c:32:88:31:92:c2:f0:c8:5b:fd 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:ca:4b:4c:11:09:e9:eb:0c:32:88:31:92:c2:f0:c8:5b:fd
Serial Number (int): 417286268904902084430628130427454169308157
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: af:e7:14:02:a4:f0:68:a7:6d:d0:83:43:55:be:97:a2:6d:cc:12:e9
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): fb:f0:40:15:6a:15:24:36:5d:3e:8b:43:da:c6:76:93:9c:1b:71:18
Fingerprint (sha256): 2c:46:61:cf:36:f5:38:bc:a9:05:1e:3a:e3:d1:b3:fd:61:ef:ef:a2:36:e7:30:29:c5:fb:63:cc:5f:4e:1d:96

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw8fUvqdcgA1+PQzOZtpF
OUogcu6S7rRtJK1UNdm1iTElfB7o3n9qbThmBY+eRIoXMNnAPoVsMW7FFTWiLXE6
fS/wXYsu3j/VaY7hxfEsKrJbtOve8D0NhqYa0EQwYFk3RJLrge3LJw2cL63cmM+3
iYurcreGeBODCJIImkK5jz/ewXU/zAqmM4O4fDXVrIVD35NgaILRoRl4gWk9n2M7
sqYAEtVRMRNIeK2c++urFRwZoiHOvWkylmH+4Q/A05Q6v3RPElvkZDvVfCxDenKC
lbV0bsW1KH2/KVxy90+8u4lujOpSChw6WI6+80NkW/P7S1xh8Qsx3lluM7iJpzB9
uQIDAQAB
-----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 417286268904902084430628130427454169308157
 . . . . . . . . [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 2023-11-28 01:58:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-26 01:58:58 +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 24715009823967893162443920233263304335336269201107759901283077580993771166704076320242721349246041115078643675901546749115289376936860068938338203497528011979789696109672676456378018638590994923133231371838199980465790001699534842351706774138635483417821837168049748643314327122603395731470298531049781804233573669591168339322558026579096647751442134185154316859403000617614746339271350685072290613822459414194295837226925278791945857358786771760702720753561168241428143403055768997073873194903415919573547560662664468729460084648327458508735903870803604157454735856915714285534693207778025231306822350203793420877241
 . . . . . . . . . . . . . . . . . . . . [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)
							afe71402a4f068a76dd0834355be97a26dcc12e9
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c13dd9ccc00000403004730450220491f22191c1045a494cd5131782021f67f3e1c7bb09df47dbd1d0d5d50e1fb38022100d39bf1f3e7a843ccb4f0d09d77577bdc2341aeb6fd07ceb920fd1d7ba3d719bc0077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c13dd9cc90000040300483046022100f45ed2dd9bd8eb66caaca18af3c6fa868e9f33b2c1cc46838963af7c0efe7198022100b13ed072f100f144b2d1bea0e9c6f29bb466a52208f84c9de1904cfc214d773f
 . . . . [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)
		0087b3c59b75d501b558460afbf3f8d8b8a3f63d6f6d17f5b902604f1475dd3b729b76972336fea6b7da9a5be65c95dd9ad43b084fac150fad36f3bbd08dbc88502150e0258e6e6aaa217f0d7115b8157e3786c065192bc3e6bce81f60a6fcb7d208f52115d5372010003d7fd93c97d66970b53ec7a629423c4906bb8d892f429d415722f18fa4338527d8aff83cc5ed0f02975d2ea572f7d832ea3397f9ba139f524344f9db71e97ead970ae9b5756de5a3e8b957ddc21e2a59168312c402d80116c6409c9049f7a6ba75ea504b8cbe40f66926b09ce129483567e867906a611e341862f9735344e2ad3d16b19c72d7e1343322f1b590ac815beef6446daf39a2