www.altavista.imb.br

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:9e:70:ab:3a:4d:fb:6d:3d:35:1e:27:2a:2b:ee:f9:3c:d6 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): 03:9e:70:ab:3a:4d:fb:6d:3d:35:1e:27:2a:2b:ee:f9:3c:d6
Serial Number (int): 315251234369637875525193531420582855916758
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8c:33:46:1d:13:94:18:98:03:31:14:db:83:78:6d:c1:00:9c:62:3b
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 1e:86:c8:8c:7a:e8:22:46:83:0c:cd:ba:ec:1a:6f:12:e7:e3:c5:ed
Fingerprint (sha256): 54:a1:45:e4:b4:c1:bf:64:36:ab:78:27:88:c5:0b:1b:8d:10:36:d7:c8:d1:8a:5b:a0:0e:82:01:74:cd:53:c6

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 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

(limited to 100 certificates)
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
www.altavista.imb.br
www.altavista.imb.br
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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8R51sWjTVgQJswAj588B
KD7jG9oyKjNnbbOB+v0Ivg6CCri7O35eYdnyNyZTaTjDAlOQtsHTUmdfpHDSqoKJ
xK4VloX5unVnIcbDm6dVlDYyDjndepGxI7chX6I3jbzA3kXHfzZ2nW+sRjyFbdOS
Ot3bhsSLJie0y0cpI8hrLWo10BEhNtWtcOSzjn0VxwFL5DvNm0m6COndLSOZ5wF5
n11cNLJTZiwJtj0z/Zu5AgbFfpF+kKjT4O6QqSDenUr+mw7MngQBoAL+/HUAAMWN
Ep7HY6euQHioxnhrJyzHpLOdOTVTHBBYxNpObNLZGrg91JqRTa5n6WFXs3MlKF8g
OwIDAQAB
-----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 315251234369637875525193531420582855916758
 . . . . . . . . [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 2016-11-04 11:07:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-02-02 11:07:00 +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 30438451753590344606843934573655779623700290296986195350936520256369554013952126703705363489438707438347078172156698702342454594604887668331741217350747115006083935910390269368081814638878324568855544065670996873482115171046802251612922017273303248584581116580540969963024177315730719323719465080230338617102084615114188335196580708434286074036605067739459753609737191681764770788810374659418505161135597028929213306420413919131680929010734558821487809230316129332183085497751115594409924893857731820004325674199318667601700909472680274058250131329096492026376835351241847024859458154987333941477700836936415438643259
 . . . . . . . . . . . . . . . . . . . . [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)
							8c33461d13941898033114db83786dc1009c623b
 . . . . . . . . . . . . . . . . [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-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 (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)
		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