customfit.ai

Issued by R3

About this certificate

This digital certificate with serial number 03:4b:4d:3e:9f:cd:d2:42:f8:87:fb:d7:2d:a1:9d:b9:fe:56 was issued on by Let's Encrypt.

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=customfit.ai

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:4b:4d:3e:9f:cd:d2:42:f8:87:fb:d7:2d:a1:9d:b9:fe:56
Serial Number (int): 286960711033641765492013064968660273725014
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 02:92:1b:70:e4:30:c9:35:ed:fd:a1:b3:be:98:f2:3c:34:19:cc:1c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ae:b8:14:14:c0:d6:6f:31:ea:88:fc:aa:58:b8:23:a6:ff:bd:b1:5a
Fingerprint (sha256): 08:ee:cb:c2:e1:97:35:0c:df:e9:58:cd:e9:79:73:37:36:d5:7f:db:7d:6e:ae:25:ca:3d:e2:56:be:bb:3e:13

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

Revocation information

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

Check the revocation status for certificate customfit.ai

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for customfit.ai

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

customfit.ai

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Certificate

The complete raw certificate details for customfit.ai in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2wNHCmfiY0Md89EkP8ID
/8sVNpQJQOmD92uvace3Pp1EMKDh9UAagmiGgVcIJFfWXVeURdm9j7UC+X1WsYpv
IexxM+IC1J9Jw578BgjWcxtZDo3Pv5lvG47RgiyX4SIFvFmj16WJYvRikN5sU8Kh
IwJ4lBuOKSqrFIbcMrxbHbB6UzjQCevR4MvnxG78Gh/ATE7JbHZZJxkOQzetfMW6
1PIIdXqFMUe/okGNPKuk3zLB0euLS2VNwROcYumUW/PhStnYtzofS70XNzJuKlbi
ipIrEslBYlye/b3jy6dZ97wVRqO8q1MwKFJitZc5AKockpJYQcdAkIC+lR3Aal4v
rwIDAQAB
-----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 286960711033641765492013064968660273725014
 . . . . . . . . [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 2023-08-03 23:18:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-01 23:18:50 +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 'customfit.ai'
 . . . . . . . . [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 27647804984300798819785088927780187028121879125591718637835838290315368446307299320583368220303718217412185400502170497779534853779812718914603028469828447310640309010177188055095159753222108491559641448521258597284965245888847840171170929753244958430872575805095491953408226383518170044436372172908734155629603930457153947393926890187658722832966413447648481703614156430947425095400320498269090254117433357808751553432035979940159637685826279863086495494059539247026790809580616913439361248441178809221489036361500617641098549858670853338998923550837513663845829673270871085916842533819761982269534432816860982292399
 . . . . . . . . . . . . . . . . . . . . [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)
							02921b70e430c935edfda1b3be98f23c3419cc1c
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'customfit.ai'
 . . . . . . . . . . . . . . . . [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)
							00f10077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189bde950b4000004030048304602210083f602cec344d3e17ba9a5479c091c4fec6d8041084baa48c7484bbdbcb176f60221009fe78096dfcc0046c44cc6ea70cffcc7c710e6b107f466edddc506ac5df1daea007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000189bde950e300000403004730450221009d7ff651d0c3d87c351a81715242ab6d9bea4e5a2fc399075753b5cbfd5d0d49022003a212f0ab802fd1fe811f33af1ffd33c47541c5308b46bc9bc87ed0aabdbe59
 . . . . [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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