cdn.b4fit.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:bc:81:31:a5:13:01:4e:6e:8c:02:e1:01:16:48:12:79:d0 was issued on by Let's Encrypt.

With 3 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=cdn.b4fit.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:bc:81:31:a5:13:01:4e:6e:8c:02:e1:01:16:48:12:79:d0
Serial Number (int): 325481670958522817418707972195818212063696
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: dd:29:75:97:30:12:be:ce:50:b9:8c:5d:c0:8c:22:8a:d6:9d:af:96
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): eb:22:d6:ab:4c:f6:62:17:3e:11:52:82:49:a2:b2:92:83:ea:85:49
Fingerprint (sha256): c6:d1:cb:05:1c:5e:99:a9:67:d6:5d:d5:dd:e3:57:d7:5d:21:36:de:b7:62:67:a3:dd:3b:52:e3:af:22:0f:e7

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate cdn.b4fit.com

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cdn.b4fit.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

b4fit.com
cdn.b4fit.com
www.b4fit.com

Other certificates including the domain name b4fit.com

(limited to 100 certificates)
cdn.b4fit.com
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sni.cloudflaressl.com
cdn.b4fit.com
www.b4fit.com
b4fit.com
www.b4fit.com
cdn.b4fit.com
cdn.b4fit.com
www.b4fit.com
cdn.b4fit.com
www.b4fit.com

Certificate

The complete raw certificate details for cdn.b4fit.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7jti+0si1k9/5CLmLOpt
pV4KEZO6SQNgFJVpafRWFQZ1HnPgnkg8gVe+h6cx/KDunSejuqZF8Fhr2hKC4ajm
kTaao7OkKZXjaAS3i87u2AnXtbBMCcBkxwW5c76U2i2bviKc0xAtRK5+41gQ+iUt
ggDFdI21mtpAN+quFtTWfy2fWAaLXHP1u3ccqd8p6ZwiFRlStP/L8i5IcmxyIAOi
dzigHAXwc7CqL8uyLemq7OiJMyfw6suqaVws0WdIYi0GU74Hxr9NLhALZ2BqzEgA
dhdEofCtBlOo62DLm/EJABAz8BxLCOq+tk13BbX9i8/ZWJE0rz/wbhQv0BJT70Y+
9QIDAQAB
-----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 325481670958522817418707972195818212063696
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-12 01:13:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 01:13:57 +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 'cdn.b4fit.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 30074001228979103874193478066312702508481702274641924651687038471602319010687338858439839521979283224041988639392381908944936127064864644837952062115911623429945241823964600882370094037499255619874627741151576525749044376121653427469280432516217304884360500461682880864155121900304337815341210554401094361839017195535240603758194761815420137228869151045724901213087896032794671315367726474694155065734984903687985916263530816117283736959745368939345895428910222076062000261190551934682831557492173371583669310405847294051967348161753106374373311611301335786351407180480899087173656308078124899493451678173145822805749
 . . . . . . . . . . . . . . . . . . . . [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)
							dd2975973012bece50b98c5dc08c228ad69daf96
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (43 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'b4fit.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cdn.b4fit.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.b4fit.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f1007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dbdbe72770000040300483046022100db85dffdefee84f558cfdb6b4b197926c05c0d987198e80782796607535e8237022100f826ecbe958b9addcf80205ad6c8039be5818cb2f806b42fce0faea4c25610f60076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dbdbe736e000004030047304502200359e0b001794787e42bb5bdb5200c637dec8cdb5d6a6ebae67cdfd27d967610022100cb7129628c8cb139f723deef6c119a8a7ec7efc3fb57e1af663612449fa996db
 . . . . [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)
		0021cd216823455c4ff4aa4574a0561b912a83b83b623c6c6e0a4830cfe577d5b9dc86a45eb682d6ba25743bd2d6c56aa724a404e6c3d33f4b7895cc26669413728ad09b96488c0f9c16653ccf71c19f8c196d2e785f43552b179a7f08416dc38f8b47004735043c9ec5f454bb7c75767ad6aaf750da0dcfb6bb5a0efe6a04cb40ac9c05d48a15debb23f28f40b3df9d278c4e461bcd833eda9ae381cafa47b777a66254388920428681db33650320d48a5036f33677b8e8f0d213d57f1260f15d7eb387fd839efc481acf238d28da17dd4590b8045e26d243ff1686af7787852dac9e08f04db0cc077e60c1125e6ae41ba51ba060cee7273f9028c9a785594f53