www.altavista.imb.br

Issued by Let's Encrypt Authority X1

About this certificate

This digital certificate with serial number 01:bc:2c:13:f9:03:17:3e:d5:c8:a6:54:2f:e6:42:77:81:61 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.altavista.imb.br

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 01:bc:2c:13:f9:03:17:3e:d5:c8:a6:54:2f:e6:42:77:81:61
Serial Number (int): 151143960648916396152871865832174064730465
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: 9a:19:61:8d:87:9f:a2:57:3e:f5:42:d5:f2:71:64:fb:6e:dd:0c:3f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a3:8f:a4:60:8b:69:a2:71:11:49:f7:c5:21:c4:d3:17:32:ac:bb:26
Fingerprint (sha256): 41:79:b9:85:e2:09:cd:49:69:e1:bf:18:e1:b8:e7:23:fc:21:8f:7f:5b:ad:a2:ac:81:80:90:9c:24:3c:cf:47

Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x1.letsencrypt.org/

Check the revocation status for certificate www.altavista.imb.br

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.altavista.imb.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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.altavista.imb.br

Other certificates including the domain name altavista.imb.br

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altavista.imb.br
altavista.imb.br
altavista.imb.br
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sni57796.cloudflaressl.com
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altavista.imb.br
altavista.imb.br
www.altavista.imb.br
blog.altavista.imb.br
altavista.imb.br
altavista.imb.br
altavista.imb.br
www.altavista.imb.br
altavista.imb.br
www.altavista.imb.br
www.altavista.imb.br
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altavista.imb.br
altavista.imb.br
altavista.imb.br
altavista.imb.br
www.altavista.imb.br
altavista.imb.br
altavista.imb.br
altavista.imb.br
www.altavista.imb.br
altavista.imb.br
blog.altavista.imb.br
www.altavista.imb.br
altavista.imb.br
blog.altavista.imb.br
altavista.imb.br
altavista.imb.br
www.altavista.imb.br
altavista.imb.br
sni57796.cloudflaressl.com
altavista.imb.br
sni57796.cloudflaressl.com
altavista.imb.br
altavista.imb.br
altavista.imb.br
altavista.imb.br
altavista.imb.br
www.altavista.imb.br
www.altavista.imb.br
www.altavista.imb.br
www.altavista.imb.br
altavista.imb.br
www.altavista.imb.br
altavista.imb.br

Certificate

The complete raw certificate details for www.altavista.imb.br in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAunLN7qQeAkdtxyYhrmyB
v8GSX4QTnscG77KCgyevaCm2hXds8v3kOTD5iXGgPrC8ZLO2cdBZRrETgV//HvsP
CaNz9LMtTxhu19xtgH+jvCT0UkSLZGNTesfFR1mhjfuNRyyTsIs+XxWOCn+seL+g
5Ll77oCTQZC7H4w/ec9bkyOkNwy0qQOT4apxh3QTfg4LrOXKk4Ki5OGQltxO+h+L
VZbNqCq0frJGdpE8tsY3xiAPexnq7K9NPP8X3ONur2lXRBGdq9L9sfkZGAo27Jux
lwOLFIxHCvXwYmZplF1BtomZgx/7vjMMxHOMXJea3Tf94t6wfgo5RM66FMtx8Xhg
cQIDAQAB
-----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 151143960648916396152871865832174064730465
 . . . . . . . . [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 X1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-03 07:27:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-06-01 07:27:00 +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 'www.altavista.imb.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 23536936894447270640261562125225818765849029233053646621516785489998890529570189055889809910976814660089872401842439303578766573579403193099864493921783797962375982523195707442913894576665224059692663552335117213625086406972076111937507412702350104793485894242394336116890836503951663768820935707148264118434161166548052609191493430721332646184914219831174852181030178478351486247752143565350861357408346630053393457598056891404474569004090009847724929700877736634042930984202804673877567957705091026336093250647515636350385925683574841973431232033291965311429702538895137286153220588128190936018701815445334445809777
 . . . . . . . . . . . . . . . . . . . . [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)
							9a19618d879fa2573ef542d5f27164fb6edd0c3f
 . . . . . . . . . . . . . . . . [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 (100 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-x1.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-x1.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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.altavista.imb.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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)
		00379db4bdcad1f36c226a54766b04cf27d2975745ffa0ca66facf38ab47386277dd1deb6421207a68efcf467ae3f125318fc67d9cbe1c947738deaa33964f968014e18cd5176b2dcce741fc61231cf4cb66ce7f82fbd3dd865f292ac2b7666baa4c31ac8ab06d27a7c0920a5d599dbf9848c610e73aa5e7596f25fcf6de5923e16bdca9a54cbfe919616a4b3534a6b9d0ff32b61dca427a73fff3322ce374a840d9333bb23b83f7b5f813b4c78a1792190aadfd6484faf1a18665854402e198dc5ae5f1200751585985ff6ba8ceb67e4b4e6db3ac99103d1a763c0b4ef96909ec6fc88940bc73d9000b92e54632fced80a5a8f74957ca3d7a8ae95ed1d6e729e3