academia.cobrecom.com

Issued by R3

About this certificate

This digital certificate with serial number 03:cc:0b:97:39:06:75:45:08:34:02:c7:a1:e1:71:95:8c:dc was issued on by Let's Encrypt.

With 14 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:
  • 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=academia.cobrecom.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:cc:0b:97:39:06:75:45:08:34:02:c7:a1:e1:71:95:8c:dc
Serial Number (int): 330769867348540468903973782240784083684572
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9c:68:5d:f5:d5:9b:85:be:52:04:ca:7f:67:73:5d:60:6d:5d:89:8b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 98:a4:72:4e:67:97:0f:f8:ff:b5:37:c3:2d:ee:99:91:f7:70:66:86
Fingerprint (sha256): b3:61:0d:54:8e:ab:f6:7c:3e:72:2e:34:a2:14:09:a0:d0:c5:0a:12:35:6a:ea:9f:de:c5:16:33:75:a4:61:46

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

Revocation information

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

Check the revocation status for certificate academia.cobrecom.com

14

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for academia.cobrecom.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

academia.cobrecom.com
academia.cobrecom.com.br
blog.cobrecom.com
blog.cobrecom.com.br
cobe.cobrecom.com
cobe.cobrecom.com.br
cobi.cobrecom.com
cobi.cobrecom.com.br
cobrecom.com
cobrecom.com.br
team.cobrecom.com
team.cobrecom.com.br
www.cobrecom.com
www.cobrecom.com.br

Other certificates including the domain name cobrecom.com

(limited to 100 certificates)
academia.cobrecom.com
academia.cobrecom.com
academia.cobrecom.com
academia.cobrecom.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4B7haDnZKne6vCZvNff/
mKhegyL7anHvly+VnXcNyoOGUCyXonuyz3w+A9Dti3CZVnGpdBPDe3SRXNxvBTcL
S33I7FydhABcC6nBhEhfqUZq4RRCSkKqlfv4oO5I/FmJlFSALXjAM9pYtgDw4Jca
1HsFLdQ/RSO5Syf9vBDGLx35hjFfCQMGeZqWNjq0QPlB64i9WyOybn2pryGgP7We
yWVgsCkL+HEpbjVsQWD0UL6oS1cASl+Ix+iy3p+7OYv4S+638GhKwfsBZbirZ1XS
osBq2CRih2GO5E0GeQNBt7pbu2lnlsafp+7vjPqgqFWpdK/WK8T8C4CS5vM40SPF
iwIDAQAB
-----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 330769867348540468903973782240784083684572
 . . . . . . . . [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 2024-01-09 13:55:30 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-08 13:55:29 +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 'academia.cobrecom.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 28292608052822210971777644972817598985138196878033645249174036462715371180655962569505482200767389857099738536277041209841904712900229982215764901896839539126713096162875157965976778150361281545931891739081289324418679181205872094485654924426442152624446254663077739275523569257221886960523036825566608200431893585398972769005070220869230880860027601229179180740416994918916017182993490310230439895955753667707402066030600270595797922012141601577634738529029042866107661178757718879532061996487969459180510097326593842311031204388270663458363457283344934141192894469780469568294023096096048262304074844711540987512203
 . . . . . . . . . . . . . . . . . . . . [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)
							9c685df5d59b85be5204ca7f67735d606d5d898b
 . . . . . . . . . . . . . . . . [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 (287 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'academia.cobrecom.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'academia.cobrecom.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blog.cobrecom.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blog.cobrecom.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cobe.cobrecom.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cobe.cobrecom.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cobi.cobrecom.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cobi.cobrecom.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cobrecom.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cobrecom.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'team.cobrecom.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'team.cobrecom.com.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cobrecom.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cobrecom.com.br'
 . . . . . . . . . . . . . . . . [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)
							00f1007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018ceeb8b0bc0000040300483046022100fe803b0a5294b4348333d79c41446b0a416c4456d87ca23922ac37b8c9fbddbb022100a9ea617e5154d95c91038767546ee72bc5cc1905d94c93dc99b981ecbb6800b6007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018ceeb8b0e30000040300473045022034ccca0602695c056eb575bbcb2b52914442c903d98cf44f404b4c9d5fcc9ec4022100a5a1973e04ef01479034923d99b782f8a000a458ca7fbfdd3b15ea106fd4f7d9
 . . . . [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)
		0047b5ea9adc02b9ead0c677b527856fca1b716c4f0cea7eaf6bdd989ca4ac69b72c20640722749e150004885334d2752bf4f2c88caf4ca3f8b952b6138a60f988551fe5e09285774e4242e74210abffe462a2301c6f7a1e893b390fbd9041c2647c2889ad08b12b1d3ad2a92791ee3818d67f8eed4c1a3f315bb8773e06b8ad5aaf3c8932dfac6ac8ff8b3608fd5ccba33abb1a13b3f12cdc7a0fc06358772e0d18d3fec0ca196fa96e73228d7fdfb3881ae8054b28104228a778b5cc8e8c638286bce8426b632675fe62bfc69cd5bc48900268831416652ada51e25b016062c308411b77c30bc82f8b95ce1ba6c3ba06b723a2c1c3bc09fe7e744def0966d1cd