bitcrew.com

Issued by R3

About this certificate

This digital certificate with serial number 03:45:a5:5f:2b:e0:c1:34:aa:a2:d2:f8:af:a6:f2:94:5f:09 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:
  • 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=bitcrew.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:45:a5:5f:2b:e0:c1:34:aa:a2:d2:f8:af:a6:f2:94:5f:09
Serial Number (int): 285036157890282081483559441113608535432969
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4f:10:61:b5:9d:c8:82:26:6e:b3:09:c2:4d:39:86:a7:38:05:19:bf
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 70:af:ee:58:3e:21:6f:d1:78:e5:47:b6:84:07:8a:a6:65:29:53:b4
Fingerprint (sha256): 50:4c:c3:b6:08:e4:c5:26:86:d9:0a:24:cc:d5:94:3d:60:a3:24:40:7c:7f:e5:c5:01:87:92:3b:34:60:ed:5d

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

Revocation information

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

Check the revocation status for certificate bitcrew.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for bitcrew.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

bitcrew.com

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyEoqu/kAXdeMa58TGAvu
/llwm/KQ0rqGk1MBapKTmDFq8Jp2mhWeOibIngypzbhhvxqkwdlYoRQlB1a+f2Xe
G1mjsvnaPZ8EnVFV8KEnBsjiHhaBQUZNy6HHXEv1BQY4LkAvdwdGw4y1WU9qW2Vb
KFfABDoiugZgY8OlNFr13pQV3uj1AHE4XBIpiVJaN1cQVYKJ0v4qo7IfzbpBB3Gc
G/Z3hsJOkIVQcmNAo3GsmNmeWgmGThdHSWVOGA35I56ALklQmiRR1UxgZrOcO2T9
2csi9doBtb0Us4BClCtMZLusqn/s9m4C7JARGswv6qautk6f/XOTfoiMAWYmDHGZ
WwIDAQAB
-----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 285036157890282081483559441113608535432969
 . . . . . . . . [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 2023-10-04 17:30:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-02 17:30:28 +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 'bitcrew.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 25284234069854483410584172723587760294211876557180080732928403433104826880332994713233616385173879795237234933866019957767290921801043973298505167396692592817102179291740630331560398587748510402060942353891502599125363714271507576432049944371386430146813293953099319296202114789059238612523681182710608504265325826608858370484124874341809944299297250052592748457307050281746912926343551136509202162498852631624740074175014975117511678624540332317121964034151494708501456543909116519896853852676456179034226858345397896692729672843633267036025056244898822096412276484681085499549997456083261917494823444192691760503131
 . . . . . . . . . . . . . . . . . . . . [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)
							4f1061b59dc882266eb309c24d3986a7380519bf
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bitcrew.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018afbf4a8e10000040300463044022040526eaf56629aed41e4b61f9897c9030669f2582253440d312439e22e84ec7902205df6d4292e3feec73d5a947c023225cae69a66030793eb89e9047d851cffcced007500dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018afbf4a8e700000403004630440220722367c79430a668062d557f3b3a3efcdbd005a4fab9c5a674b43673e2111b2702203bbea505599a367f270cd2b86576cd410995432050e8ce96720c94f57381b998
 . . . . [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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