www.cofh.org

Issued by R3

About this certificate

This digital certificate with serial number 03:65:7b:82:07:f2:7c:56:87:52:84:39:9c:10:85:d0:bb:ff 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): 03:65:7b:82:07:f2:7c:56:87:52:84:39:9c:10:85:d0:bb:ff
Serial Number (int): 295869547057557242231525043422570893851647
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 3e:01:97:55:87:84:5f:79:c2:2c:26:58:d8:19:86:f3:a1:1b:3e:4a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f8:66:c9:9e:3c:cf:2d:30:7d:42:9f:00:b4:5e:70:d6:8c:9f:38:5b
Fingerprint (sha256): 37:d4:a6:bf:eb:09:80:15:a4:b3:11:e2:a2:0c:3e:65:bc:0d:ae:62:07:2e:80:9a:11:38:49:b4:40:01:6a:88

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlqVz+nBdpmoCjYwPuZfV
vm6nARG0stI966bFVU0m1cNUXJAog6czm8EQGN0I1eKAozREqtSyEx76GWoxFdcB
9BjOnTim+XEx293N8sNb3i7EeFdpoCPxSeq1qFJC8JP01f+8Zd+wchRE914RMQCe
jKjNH2sLFogStsZySYKKqH9yDxGZmueECxkcy62QOiqd37JWDdFVHyDE+32JtFj5
A/EUvjvdbpuS/+7MJbakvxA7rGCX5hb2obdydmCJ/8VM66BMhn8AvFPySfkkUibf
KUpG01Qx6+SFyBqgnnkB+QhcsHC7eVQ6/UCjPehhfKwY893dG/RjNIiDcKqFxfNp
NQIDAQAB
-----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 295869547057557242231525043422570893851647
 . . . . . . . . [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 2023-11-12 15:09:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-10 15:09:14 +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 19017333679828166761756111745169806301493385024719082660158866230465679811959920201852140094322602775181661370471440795505823780378516659120077704812167676033828490636135538808586842480415743380232579187127949891184524594372370058550951171969969080185213000722894356547862650043539250495407544609917719590602836710660975445584266819838838180841373579231815857423800271575625166650251028074694996663789118708906068241538372248150644148930646341922583879622867297485175993320384762101628642537785855642054416936863419635370066032985195889741296459285914402408502117491161473729509360570934596244080096584818270552680757
 . . . . . . . . . . . . . . . . . . . . [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)
							3e01975587845f79c22c2658d81986f3a11b3e4a
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018bc44b5da10000040300483046022100cb49d7174495c0a3b7059e9492cf4ad24a5895f91ba6ac3715b3e05e4d8b9f78022100b6d9d4e9cec624e0f207fd3547754562df555cf9fcc319523cd4d7f8dba9a5440076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bc44b5da90000040300473045022023ed561d950a9577051fbc2d4f0a746eca4675eb1946ecf819c09546708cc5a6022100c4617774519e3e9d824f311d5939fa625e80accb3a7583a211d0fb78f31bae40
 . . . . [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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