testcrew.com

Issued by R3

About this certificate

This digital certificate with serial number 03:f0:6d:17:81:15:3c:22:0e:08:cd:57:26:c0:5d:3b:a1:5b was issued on by Let's Encrypt.

With 2 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=testcrew.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f0:6d:17:81:15:3c:22:0e:08:cd:57:26:c0:5d:3b:a1:5b
Serial Number (int): 343149633748787513856471259892856850719067
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 21:7a:8c:29:c9:20:17:00:be:2c:cb:b9:07:4d:0e:72:09:be:b1:09
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d6:16:76:99:08:0d:e1:41:71:e3:09:62:61:e4:55:77:b6:84:c0:58
Fingerprint (sha256): 83:dc:7d:fb:60:a4:3c:86:d9:ae:e3:b2:4d:52:e0:a6:3f:38:97:86:60:b8:64:78:af:4b:a5:6c:0d:8a:25:32

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

Revocation information

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

Check the revocation status for certificate testcrew.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for testcrew.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

*.testcrew.com
testcrew.com

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmk341NaQg+TbOwBCaPcg
2RuHSsIYdjZulyxs+q0Sr8Akp1da2cKIo0UTF7IGFs/ZzR8P1MgUhefqAW4rxh8l
VzDcU6IHkyIm+59EdFTtuxy+HohE6qjAbU1iX1XnXTjOjJrI1nZVo4qETmfsqjWx
RinZ03nn0hito2MtJ5zojNpYhwKFqdVpHOL07ugeGERFLh3z1CtU0hqrBK/LwN6F
qj18MaVvT8KPq0xjYKtvinguuvDkVd9RbGyQ+0D50FMoVRcxGqXGTke6PEdyLd3m
IVcDFfoLQo7DzOXE43ehW1UyBjfK4latSSFJkXQ62yusHzVUcblNAGQaABpy8sxR
+wIDAQAB
-----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 343149633748787513856471259892856850719067
 . . . . . . . . [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 2023-06-27 22:52:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-25 22:52:10 +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 'testcrew.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 19479148389845085379132176213320183762412086362472837393294476281925407351112657532164600189757505257236432352010481208024629422525790900465020956957248594797879810269897814520066202363692532533698474376463168356321946583642374003140862776677826983995290898961559795270617548190693571127783370727344815670394122977009009391312785700946676417048991917292150229099860808677348809185597290848530799744462217813342621269944785640953075781977623252966783766502751422019741212857079095573469204375098815626577673651175036723932024916323520168202859374714587983152472055946477010577955991392670531347716582487038948195193339
 . . . . . . . . . . . . . . . . . . . . [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)
							217a8c29c9201700be2ccbb9074d0e7209beb109
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.testcrew.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'testcrew.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)
							00ee0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000188ff459a4b000004030046304402204a4eaf80eebc1bba8ae2275102920a9bee1e2005b717884169e6da7939219c9e022044decca208d477bf42ee40673df71595d7a7c35b215eab0ec84cda1585e6aeeb007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000188ff459a3a000004030046304402205411217b5fb345961b1d4ac6b080c46a4a28e26b8d44ee5d8ec5b0f90d51f70e02200c71bc71e2c2cfd17a089fe8a87e7c041650af674a687ebdf9f66fb54ab46636
 . . . . [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)
		00a0c6060cef38b184b182b3965832ca8b406669808e4f483f9dd25a616674db540949a933fa0e5f72075ae0767accaa8c4c2284d6c9ec6b77c942a09ecc1eec0a948efe4932e3b6a869ee893bb20a2bb49df3429d6cf9d0ebf14c9883b3e8a52a30f5a9a644d837dbc6b4db63cd887472e0a89f76e660ebd19168c325214b4e8128d0e24dfe22ecd514af32cf101b2bebded6b895620b0b7fb26ca280b10f954b0dfefbcd6be2f7b8a097f7d9589e62b53409e332ffa1d91026ff773dc28d5b7ca057a03fceff88cf4eb8d2ef5b14f8acbfc672044a8fd67ec586d6c50b295a6a939c814831831faf4f6dfd1f4a987e0397c7083dcbca1b436e4a601576baa1b8