www.cofh.org

Issued by R3

About this certificate

This digital certificate with serial number 03:e8:c4:58:5f:5b:e0:c0:c9:26:0e:ad:34:9a:7a:f8:53:b6 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=www.cofh.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e8:c4:58:5f:5b:e0:c0:c9:26:0e:ad:34:9a:7a:f8:53:b6
Serial Number (int): 340543354464344090880856853490382642107318
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b7:e2:a9:d7:a9:f7:0c:e3:99:18:15:be:4c:7a:5d:86:91:26:55:3e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ff:ff:c1:cb:fd:6c:2a:31:0d:2c:e7:09:a8:40:76:4b:5d:36:cb:9f
Fingerprint (sha256): 33:c3:e7:1e:53:3f:a1:f2:2e:c4:fc:66:83:5c:c0:53:a2:6c:25:c3:f6:83:42:f9:c0:92:b6:f9:e5:7e:54:8a

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

Revocation information

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

Check the revocation status for certificate www.cofh.org

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.cofh.org

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

cofh.org
www.cofh.org

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Certificate

The complete raw certificate details for www.cofh.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApNXIVwNLoxL6Z5JSe0bR
oE9ykNjKOd3LLukl3Q6JqpWOrEO+nd0uOBU6Tj3vzUDTiPnouvBQSOz5RUciZrpq
m3v1yonWFjRXl2MkCslvECiN4AVp4nFM9klrVNwU4JadoE+HIAuJaxITV+ShHppJ
63HUel8ZHmOl6LVp/6meUj2Rk5Y3f3NIeWtGFv6IXRrTFCDwX5ZD5cUqB8ZpooTS
wD3xeD5QgmYdDY7W5c9PENP5EbKxI6sJ94iFipO4vW0wuV9cEctjByiT39n9QpIe
8ThoVuKUMFwiQQ0fCatPwdOe0luJrtX8lYdv3sR7SQvK0o/9KuCUakmBLgR5g9AW
gQIDAQAB
-----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 340543354464344090880856853490382642107318
 . . . . . . . . [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 2024-01-11 16:37:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-10 16:37:03 +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 'www.cofh.org'
 . . . . . . . . [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 20808502132564553732315115821575042582298360443947475475476192226008209117924549973215373936931711270092877738634039066906477681239591273827046661774308372809964205457864746954259078027313049133619263011257557778588610799492065219209760764435287905620912767811180150642960818729647509286978837315286018257734230390695110422060665261128389250857046885658768013886450776953333570959915740916116836016578687531066465881407835171013776832563224426812548121877438833042651121019839524900719619784818229205397478655970179683687040244059702582888026810820198550963073711502165513686344737271425811569197991892893705417266817
 . . . . . . . . . . . . . . . . . . . . [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)
							b7e2a9d7a9f70ce3991815be4c7a5d869126553e
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cofh.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cofh.org'
 . . . . . . . . . . . . . . . . [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)
							00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018cf999536800000403004630440220529d9b3afa1f4792c92c32357ca346df6b661ab03c5647cd44928b2e7828ec9602202e02fbdd0f5ddaf9b780d1ad8cce20e7ac3a62df074d6cd8b29b7f623cec0d3b007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018cf999536b0000040300473045022067280f0be3aa0f832d7adefe09b703ddd284d9a9d4bf29b5289b9946bdce3db10221008ce14065a416a7be9e0eb36ca4ceacc24423043239dbc354f53cc0f0b2635e12
 . . . . [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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