bfoo.com

Issued by R3

About this certificate

This digital certificate with serial number 03:6c:ac:42:8f:cd:75:cd:72:56:04:46:ec:ce:bb:5b:1f:e3 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): 03:6c:ac:42:8f:cd:75:cd:72:56:04:46:ec:ce:bb:5b:1f:e3
Serial Number (int): 298316326246272567576170779371985706885091
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 83:d1:14:d6:60:c7:17:d1:9b:6f:7e:94:9b:b1:5e:4d:c3:57:74:e6
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 4d:bd:33:fa:42:18:f2:64:9e:54:0c:69:05:03:8b:39:71:9f:6e:fb
Fingerprint (sha256): 5e:55:50:c6:1c:fc:5c:cf:70:3c:5f:f2:12:5d:e7:1d:9b:6e:12:0c:90:97:3c:1d:ff:e9:45:ae:15:b9:51:5f

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA56Lj8VatU2AVjaj1VxvP
mFuUB/UxRcuAl10TvZPVsjBrhHjq/mgZuIVwBcOWlSvuT4ji+AITQ380IGwzmEC8
lXKp5Vb4HytgvOqHy0d8gE5WvO6Wmcz4EoYuYPW3MA7MVhlaeD856wAB9rESWRmY
Uq2khlJK/Z20faWgoQXsGJVbsfx8R2nNcNmDz/7exE5gGQ3mPVyI8JxGwh4xPGpt
cict/beeb8bLyxiE01+il9cg/PvlvxLiR+wHOLYvgK8vGtBgreIXCZzq8D5psSc0
X0HYlBjAkcdnvK8I4icyPYH381mxcUybGJXFBvxrXMnKMH6O3ff2CAPbGrwVOj+e
pQIDAQAB
-----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 298316326246272567576170779371985706885091
 . . . . . . . . [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 2023-11-30 21:30:52 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-28 21:30:51 +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 29241372697758755737013528636713260687179683514770183426058605629142094347216312506794579635332193126953054328247005688056168286176462518567099717089731266546938031345825793230098551887014966252260679349693464183292887801224577489996537646168598616540980154232487700686126375037829202847262700516633818693197186123134774603605991378871633885113229274830919189191307943204383218267022657224681487123013570385310129035953039714749242087642098879209706718073177406619930433902677756789302799264708336945952832247534613589606333642016848072474733731527626284181359093791974894386935850775461360378238933655205704777047717
 . . . . . . . . . . . . . . . . . . . . [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)
							83d114d660c717d19b6f7e949bb15e4dc35774e6
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c225b365700000403004730450221008f583fd2fdb59b207f09034b871b164ee81cae3af49bdab856ae0963c11f1dd0022060f50674f582344b2778812c54326d830b30e5e93be4d7b1296c1f9c1c6205bd0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c225b365e000004030046304402201fd84fe96a2f14116d33a98e79912d7775a2cbcaf3f5b0a7c4883cb0c8cd847f022052ed8dadb403001d09192eec218d9f9d950a52531eec844bd269d97ca15bb69f
 . . . . [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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