bfoo.com

Issued by R3

About this certificate

This digital certificate with serial number 03:b2:9c:0a:98:57:90:51:7d:71:98:b8:1f:92:a7:ff:5b:4b was issued on by Let's Encrypt.

With 13 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=bfoo.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b2:9c:0a:98:57:90:51:7d:71:98:b8:1f:92:a7:ff:5b:4b
Serial Number (int): 322114533687382592911393519141738847886155
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 26:ca:af:36:0a:26:d7:b8:5c:ce:8e:b9:be:ad:fa:fd:85:3a:ad:60
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ca:68:53:72:1a:57:90:d5:dd:7f:6b:6a:c2:1e:ac:c4:ea:47:83:29
Fingerprint (sha256): df:54:64:47:fd:d2:85:4c:f0:f1:64:f4:a3:4d:1a:f3:80:24:d6:f4:96:ec:7c:1f:bb:88:49:36:ec:95:00:c8

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

Revocation information

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

Check the revocation status for certificate bfoo.com

13

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for bfoo.com

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

bfoo.com
brosenet.com
kunk.jriver.com
kunk.qbjnet.com
mx.qbjnet.com
mx2.qbjnet.com
mx3.qbjnet.com
qbjnet.com
www.bfoo.com
www.brosenet.com
www.n0qbj.ampr.org
www.qbjnet.com
www.silkycam.com

Other certificates including the domain name bfoo.com

(limited to 100 certificates)
www.n0qbj.ampr.org
www.n0qbj.ampr.org
www.n0qbj.ampr.org
www.n0qbj.ampr.org
bfoo.com
www.n0qbj.ampr.org
bfoo.com
bfoo.com
bfoo.com
bfoo.com
www.n0qbj.ampr.org
www.n0qbj.ampr.org
www.n0qbj.ampr.org
qbjnet.com
www.n0qbj.ampr.org
www.n0qbj.ampr.org
bfoo.com
www.n0qbj.ampr.org

Certificate

The complete raw certificate details for bfoo.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxMN5XZfp2RSuDYspPcfO
puK77VChhBy7t6ucHJqNQTaeMTdpKgU4agmLdFHpwHVb1+cdbfoJ9RbYN1VltUvd
f0JPRcUrFkJY4yR8nf6K2EgbUg4ZaE4UDZs6oJTmxJGNP6qOX5eQOH/8mNPXvpBl
OKp7aDpLbDimXalcsobyVWWkRUnF1xqY2xWzgtICH2qbWkv7iQO6DwSy9xPl5Ce+
cigaSqwp/pUkKd2D4eUt8hjSWogj9ZKfucBAxpm6QryqMJNQZ7vipBz2IZIcOAy0
i57v4lo51Sa+9dYiMVqpeQudQNTfL5b1lxopPfzGN4NTT4ghm0uz/xZYUMsYdQvN
+QIDAQAB
-----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 322114533687382592911393519141738847886155
 . . . . . . . . [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 2024-01-30 03:19:07 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-29 03:19:06 +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 'bfoo.com'
 . . . . . . . . [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 24839099636925342173781551540847289542342119894913635737580752328295447374144916057883585692048082464344195570156678150305650930124434551645180605344143430803280329892721032726893708643322178151843893373657181246394618938417314104022498970579309554406364388670971091954969447116207658066258504151054931126273160621510800940200807630736085551534499331966380098863137296853471215115341074808302040283896861316709651149194060508536201396054055594942654916335904863116296510189641798890480037505802485007562797297570252360473834454080648684183659637682229392818499118025625711646526988810949671244271411019908097910754809
 . . . . . . . . . . . . . . . . . . . . [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)
							26caaf360a26d7b85cce8eb9beadfafd853aad60
 . . . . . . . . . . . . . . . . [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 (206 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bfoo.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'brosenet.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kunk.jriver.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kunk.qbjnet.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mx.qbjnet.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mx2.qbjnet.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mx3.qbjnet.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'qbjnet.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bfoo.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.brosenet.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.n0qbj.ampr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.qbjnet.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.silkycam.com'
 . . . . . . . . . . . . . . . . [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)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d58979c230000040300473045022016acf4f11d99cb4479969948546bc674b20a1107b932819531cad97e993e09d0022100d174cac3bacefb573a7041eb4e0729a7100d7a3904d5281a3aa3810e95540c31007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d58979c6b0000040300483046022100b104ee0a1e10751b55758eca113326a959407b2ac9907a2ec38072e1b273617f022100fe17696cbffa642625c99a0caa382eac6c55e7d8003c45146982f4e8454e87d5
 . . . . [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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