academia.cobrecom.com

Issued by R3

About this certificate

This digital certificate with serial number 04:8c:cf:ee:05:de:c9:6c:87:1e:29:92:14:66:7c:eb:ec:fa 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

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): 04:8c:cf:ee:05:de:c9:6c:87:1e:29:92:14:66:7c:eb:ec:fa
Serial Number (int): 396365061176815218131498238163196106763514
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 7a:03:df:88:45:dd:24:7c:d0:b3:c8:cf:28:4b:f7:2e:ba:1d:6e:98
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 1b:e1:e8:db:88:1a:8f:c4:59:73:6d:7a:72:40:8c:91:6d:12:a8:5b
Fingerprint (sha256): c6:a5:fe:5a:3f:1f:5a:e5:38:96:79:e9:1e:7a:0c:bb:db:7e:82:b2:ce:7b:1f:06:13:70:ef:d8:d0:f5:33:38

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5RTALUD6KBDfhlRjkfYE
T9iZ+4bYEeQ51gK9jxf7tflxBEJrHvMykGI7su38XFRSNzzCEIg08unQImphlM5U
9iZBCp72Zd3bC1CISCQlE0C7dtRs51n/GY6C5mnsI+hPIaV8yGNkfXUVuX5+3hFX
FAkozT13NZV2D2u6KYBmeqY3HYFWC01smFH0qufb2t79K6OQ64hx3wALbIqHeNgQ
iFxtVqMq/ixI34qkQG/fOJQS7ZfB6EZgXC8XSp1U1d1QhH55tacobWnfIOpG2CUQ
O0nicEuhaSffprH0XSAbtc5wXov9BQPHKtcqkkg1Ep9zXLRfBegrVe7k7l1ogLx9
+QIDAQAB
-----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 396365061176815218131498238163196106763514
 . . . . . . . . [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 2023-09-11 07:07:37 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-10 07:07:36 +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 28918804384094316251544712463718770934634933368472896942748969436774015410260024148743209621287020145046794543269326217155238395632408644726725614228116740488482967734751634485122581890290402395403853535377779613496747747556106287352128797705379241016156086430655640934439756546509927980962866789866494353573637426774815260320584817451250461878163735022123789950172066353014321240415695302063457629504487009659390004324662532881601018447934403828875450548733622335280948823377006968134459131930313253933238817582459989183605057629854025579924331499821787873175170023111440646393145859177006967845514510779731874184697
 . . . . . . . . . . . . . . . . . . . . [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)
							7a03df8845dd247cd0b3c8cf284bf72eba1d6e98
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a834825c200000403004630440220060387e987d566e5b48692c443f5f42ebab0379fdbe5adc9fd88a65a0bbd2d91022023038904003624c6841f27a450b309ec7147f8c4f171c321d57ac5b6a82678e7007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018a8348263e0000040300473045022100922049922125f7498fe555967b935eb5584c781c8ed55ef23752d00ffb1e396102202e2a875811399e68efa8acacd6f841dc758d90b10a54f2824572884e962ceefa
 . . . . [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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