mail.bigblack.org

Issued by R3

About this certificate

This digital certificate with serial number 03:17:f0:14:08:2a:15:8c:be:f3:4f:37:d1:d8:af:05:17:88 was issued on by Let's Encrypt.

With 11 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=mail.bigblack.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:17:f0:14:08:2a:15:8c:be:f3:4f:37:d1:d8:af:05:17:88
Serial Number (int): 269482470964981404096950157464882364356488
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 50:e7:25:80:eb:8f:fa:b8:d9:45:98:81:70:eb:e5:6f:ac:1e:28:4b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 6e:10:c4:04:c9:6a:53:f1:68:1f:6c:1e:99:24:6d:f5:e6:f7:a1:7f
Fingerprint (sha256): 67:cf:0c:24:70:d4:04:48:4c:57:54:ba:17:ea:74:a1:a4:c3:7a:d6:65:18:93:1c:7e:04:30:2c:c0:2f:df:ff

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

Revocation information

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

Check the revocation status for certificate mail.bigblack.org

11

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.bigblack.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

autodiscover.bigblack.org
bigblack-org.leftfield-entertainment.com
bigblack.org
cpanel.bigblack.org
cpcalendars.bigblack.org
cpcontacts.bigblack.org
mail.bigblack.org
webdisk.bigblack.org
webmail.bigblack.org
www.bigblack-org.leftfield-entertainment.com
www.bigblack.org

Other certificates including the domain name bigblack.org

(limited to 100 certificates)
mail.bigblack.org
webdisk.bigblack.org
www.bigblack.org

Certificate

The complete raw certificate details for mail.bigblack.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuvamW7oFVP0O67SvdXFP
fmO9BGxAFx8KhAODJkfN4N4yjtrnKXz7rlYC67ubIf7vEkFNRCZPfB4wCfLDTsj/
aC6O5f9O4/2o7Pa+m2379sxYwup5ZabTrLXqIpvkJrq7b5DHr9QHZAhSbT4JU4aM
nCznlAxgyvfBSDSsWG+9Y9C8rCfKsDLGmvXW0g2eIQMlutMprYN3vDQ8M49dzgye
gTafIwSzrLZK6OCkzk35zhFI5SmDkZPnJ0eElAnGl0e5LRAJU84AFQ61nRTDastZ
2dQK8nUGCOAuMqAaoRNbojaw9GiAIZL91adRrxdLqr+YIeLVhSuf4OyrYmOJc192
gwIDAQAB
-----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 269482470964981404096950157464882364356488
 . . . . . . . . [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 2023-11-17 13:08:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-15 13:08:12 +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 'mail.bigblack.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 23601952291500941582958574844804276342166306517837360961318162405582276958028561686070369151245606733247785453783182043695358969812301253554128887684580861213953052874717131639968606257623012539093047313948468034176983546827326578631663882148652006568590131685266401358214136573374767966673687638600344386655164240613826388696226858235111605294523754538195973465763038218890293072715931752888272895155299318625018326089093072495426996612315736401816099235955568125092395232768930026927542899424143617803385140690024292517869399603673711417911429046024780095945259714519259065319345524314053952055175353661290677499523
 . . . . . . . . . . . . . . . . . . . . [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)
							50e72580eb8ffab8d945988170ebe56fac1e284b
 . . . . . . . . . . . . . . . . [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 (286 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.bigblack.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bigblack-org.leftfield-entertainment.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bigblack.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.bigblack.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcalendars.bigblack.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcontacts.bigblack.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.bigblack.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.bigblack.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.bigblack.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bigblack-org.leftfield-entertainment.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bigblack.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bdd9c5cd6000004030047304502202f271f8b81b083b2a77a2aebcdb73219771d61331584daecde43fbef58fc0e7e022100aefc09ad6d1c5a37bac1461edf53a8221b5978086a188c2e47402e35937b356a00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018bdd9c5eba0000040300473045022000f17c744ece5d98d25d1e92a531b20bc44d171769c3660969b2cc06b321595d02210098554ef90fde3bcd7dfc44564f081b98af6843dfa6f07ff135ec5fc47efd817b
 . . . . [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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