www.cofh.org

Issued by R3

About this certificate

This digital certificate with serial number 04:2f:89:59:cc:0a:61:d3:a3:b1:a9:7d:a8:9f:59:41:53:89 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): 04:2f:89:59:cc:0a:61:d3:a3:b1:a9:7d:a8:9f:59:41:53:89
Serial Number (int): 364624985460602154115928007872417940722569
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ff:4f:4f:34:f7:f2:c2:75:ce:21:65:14:f6:69:cb:03:19:cf:89:66
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 6e:ce:77:a0:3f:f2:81:b7:53:b0:6c:64:ed:52:29:0b:a8:9c:df:e7
Fingerprint (sha256): 18:d6:b4:16:eb:85:2d:15:b9:e1:0e:f3:c5:8f:c2:c5:8e:28:66:39:c8:e1:f9:57:dc:3c:76:41:1d:c5:a9:20

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAp0La116jRwRCq5LM/vyY
x/UdrnNwPBOGU+MYnaUKshcIrat/TKqm6zVNIJkzkHKfmn5NFoXxtNRUZ2sUJNLs
osu2vaVMdCdP0/5Bk3Vg35xcJXzKalcg9xYIyK2U8DSgb2jolwYFS4a37fe7ootr
k7HeXTXzj0rANL/ZzUsNMjYU1dZjflAjhMapzrTwzbaPxscmKT6LlPwi/rSyP07J
Uo+bBwcvT4LhiZEYrFDGD7RXfrf9kEaXYaIOSN2MrT+gVh/zRfbD4mJHSs/DBXF2
KcoMGTYxWzRllmpX9N42tUQz8OgPHvM0TAl8LimT0ZfLxoxdBTKplP+IIXwdpf9Z
hQIDAQAB
-----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 364624985460602154115928007872417940722569
 . . . . . . . . [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 2023-10-13 14:07:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-11 14:07:25 +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 21114764283975589221455721971204550954398004486632746347410961639900059619072490018612388241604631999027617239107843100869910111513157744976086777797014997728692237973769772951675811260651086986293051361478479436538946709896344738542948619827104803079490088611054006064347140453213226536755282702325849039643190876312042479269793300845377569806885045527915177258425839013532257643874860418269197843861312077008591668155120916660885658838805008721911316786671812567146378185588401663693198455375659028897804489605645078202289689667404504376487400049421165526988329005709148889227890792664071962966097237899010803456389
 . . . . . . . . . . . . . . . . . . . . [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)
							ff4f4f34f7f2c275ce216514f669cb0319cf8966
 . . . . . . . . . . . . . . . . [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)
							00ef007500dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b2993fd2b00000403004630440220745fcdb960368c96ca53c79ba598d5aec20a1e2e21b731b7ee2a251ef5cf6c0d02201f06ef19d14e510fc5d411df062a7b9b2b7fa7698947a6a6bf2dfd6c0fb781e200760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018b2993fd41000004030047304502206174d79b1f2cc8aa7ae85ec92c8d7d4f5f94883d8009b4694e5b020aa9f68833022100fe85962b6d298a0655791ff557e7d90f8e1e6180bdc5f36a82d6ee8fc3ddf376
 . . . . [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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