customfit.ai

Issued by R3

About this certificate

This digital certificate with serial number 04:60:2f:73:7c:42:0f:26:bb:fd:a7:72:a6:44:b0:67:c4:88 was issued on by Let's Encrypt.

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=customfit.ai

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:60:2f:73:7c:42:0f:26:bb:fd:a7:72:a6:44:b0:67:c4:88
Serial Number (int): 381179324301644240311021989081501802153096
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 84:e6:c5:95:d3:43:63:7d:f1:c8:36:f2:03:d0:05:dd:ca:61:67:37
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 01:7c:c3:96:cd:37:59:0f:8b:7a:d9:84:a9:93:2d:0c:28:66:1f:49
Fingerprint (sha256): 3f:ef:62:96:02:31:3e:fc:09:a3:ee:f3:93:6e:70:a8:78:a5:a9:b8:ae:60:c7:bc:fe:4a:4b:39:fb:d8:e3:c4

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1FzI31kPixhmJUHEzbld
6rp5U57dh490HH+/qgkpZ/DyYBlWvy852dsIbM0vRlq1GJJHDRrmK/AIckmv6RP/
PqoOxPfusq2qlAdWU8seAv3zVutUPZQui612EEnySp/G1eVs9k1Uf0BQRVi1g4LH
5hPbbjN9DdcAjmRZ/VK6UaDd81Xje9pZeQ/3Xqn3LW53hnedz12PG+MbDe5dTEBh
1XDlfAxw74OJ68n7cuSp29fnbMOuZRAy3laLoKGOT4pL6i+oy0dJWByHQkDdkPr2
COqvpAt5OyWgfrUiIs8Q1RozUe+nZuD/C9Sjlb6QHTQ4IRHftxpVLxERy7sYi4Vk
VwIDAQAB
-----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 381179324301644240311021989081501802153096
 . . . . . . . . [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 2024-03-25 02:13:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-23 02:13:15 +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 26808274472941527094545544421132464776948377543375709696603230915557636606490091700350525407777273879622331304427446674616143989988173508974934067892760821647752812117510399308308388221318858241770934858791496014270110582289699124198717960738861030505087737770067984418790396947741439655131418928548906065635284495048828391457252598768828383392858860561552041221753626006582267084049286625117308460780452023103863324714940693999366116886013516703254099857850279222430949711801253637403999325235164067547885669055593420098327977850215367041719867927279363261964577050846506909001828916488039253105936872426616905884759
 . . . . . . . . . . . . . . . . . . . . [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)
							84e6c595d343637df1c836f203d005ddca616737
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e7399199a0000040300463044022100e630bc1a0ad8e28f4c3aa83cabefff0f8cf7805903522127aed17d59776bcd50021f0c5f874c51e9ac776284f958c3c77f06d860b3996ac3a9475101853fd6cde7007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018e739921500000040300483046022100d0f4c3067d4c308b3ba1a27747e21d7d4fe2d71397124c0894f1be4e01c10e090221009eb3728be05d89d90e11379365edc8eb1be4f4d8b999d573d8e1cce202d77290
 . . . . [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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