camaraturvelandia.go.gov.br

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:44:0d:bd:d0:55:96:2c:91:d3:bf:e5:52:d4:be:b1:f4:4e was issued on by Let's Encrypt.

With 7 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=camaraturvelandia.go.gov.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:44:0d:bd:d0:55:96:2c:91:d3:bf:e5:52:d4:be:b1:f4:4e
Serial Number (int): 284494324279478090450269125813975867585614
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 18:56:d4:d8:9d:69:5f:e2:df:95:b2:d5:20:53:be:ab:11:32:49:07
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 4e:56:5b:cd:32:da:8b:ec:a9:e5:d2:03:39:48:18:7b:24:ad:b3:63
Fingerprint (sha256): fb:6b:ac:37:b9:26:c6:15:54:27:85:b2:91:f1:b0:04:6f:ba:b3:be:8c:ce:50:1c:77:b7:f6:6a:a0:23:85:d7

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate camaraturvelandia.go.gov.br

7

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for camaraturvelandia.go.gov.br

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

autodiscover.camaraturvelandia.go.gov.br
camaraturvelandia.go.gov.br
cpanel.camaraturvelandia.go.gov.br
mail.camaraturvelandia.go.gov.br
webdisk.camaraturvelandia.go.gov.br
webmail.camaraturvelandia.go.gov.br
www.camaraturvelandia.go.gov.br

Other certificates including the domain name camaraturvelandia.go.gov.br

(limited to 100 certificates)

Certificate

The complete raw certificate details for camaraturvelandia.go.gov.br in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvzbMqdKEETvWmt2l28t4
nUwnmWPvLVpEMxEbCHv0L4SGg4AIG57Ceb4pmqf8oK5Ql86BuYLgMAd+Qn/x40TM
MCLnePEvHbEGSisa7qo1HmN2KR/Y9dsZYBlXHvGMMGrPwH1on2UJEMfEsverIIzS
SHBrvIgzrcG7MD3pQwUZIw7E8D21At/K9gnMXfNtW0aksczOv9FBTUSqzJ9eR1eA
eFw5+xbGmUMECKr35ph2stO7tAHrp5OuZStlV8O2pkrqegX2xxb2NX9cKGfwzOeb
BtS1c8ceqqClKEoeD9KTj8V0YpZGx87p7aJi1tux5ASOzYykOOGb4vlOmG5lj28l
SwIDAQAB
-----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 284494324279478090450269125813975867585614
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-05 04:07:41 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-03 04:07:41 +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 'camaraturvelandia.go.gov.br'
 . . . . . . . . [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 24138538872488369630338816596725990900999965815251314530323008464104530440121013692637297155998805128227020755574273366470694345426166576128481990586879625700720505095817571078141731551283824039474342300646025927600650958051812452704566991655724029374936881154582264340915990751741325102233358340358319754656526945718305437751070792104339284766502172186184228796777279956701190183432863786450624827476573558494586988242410797020638670265178014008972471786504846302061019514837506423928549137148052161704593680099555558568180977383709167501193167685743404139883890135349756225036018354997889471737168031581159409263947
 . . . . . . . . . . . . . . . . . . . . [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)
							1856d4d89d695fe2df95b2d52053beab11324907
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (251 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.camaraturvelandia.go.gov.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'camaraturvelandia.go.gov.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.camaraturvelandia.go.gov.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.camaraturvelandia.go.gov.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.camaraturvelandia.go.gov.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.camaraturvelandia.go.gov.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.camaraturvelandia.go.gov.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c602d0e860000040300463044022030340d446dd3310997cbc88879d0a32cca54fa91a8fca93dc575a874a987cd7a02201fad1459229eda831037139a52083104835d33429a0982cf7fb45999cdcd2dbc007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016c602d0ea400000403004730450221009ad3f2d85de3b7f5f9c614d2743cce20f76f019afe4b1890bfeea618a011ff60022053763ae59fb59fef5f3e23536fb34a5bd53ab19c0979830815d2c233c4314b97
 . . . . [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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