DV SSL/TLS Certificate for prgaf.ufcg.edu.br

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the prgaf.ufcg.edu.br DV SSL/TLS Certificate

This certificate with serial number 05:94:f3:3e:56:fe:e3:ae:7c:6e:c7:91:17:18:22:5e:98:7e for prgaf.ufcg.edu.br was issued on by Let's Encrypt.

With 4 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for prgaf.ufcg.edu.br provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:94:f3:3e:56:fe:e3:ae:7c:6e:c7:91:17:18:22:5e:98:7e
Serial Number (int): 486246546052962732772733355927707890653310
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 57:d0:35:14:75:a5:49:2b:be:a2:a7:4d:03:a6:55:c4:0a:a3:86:39
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): f3:57:b6:64:2c:87:04:8a:07:f8:16:8b:fe:72:7a:99:75:e2:ec:0c
Fingerprint (SHA-256): a3:72:ea:e4:21:f5:52:80:9e:cd:22:72:f1:bb:4b:30:c8:62:40:7b:22:48:a8:0d:5c:a6:82:26:f6:9b:b3:d6

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/127.crl

Check the revocation status for certificate prgaf.ufcg.edu.br
4
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for prgaf.ufcg.edu.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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for prgaf.ufcg.edu.br in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAncIZcr3bqUul7e3HhLa8
tHPBq+L63WZ7agRNIIEZhmYFAl4m/VPNZcljZ0JarvDHq8yKe3zieAUyfQpizNiq
c6T/Zj+XdhRBlpBVMDcEseNsXYLPWIHPKKS/pznQ7hebR9I03k6OUhGI40QPRlhR
SPAiAnvXvkrOmEmFDxEHyFqz3pXf1E+EYS2XDi+bKGjp9ZujK+3Fv0hrSIdGecwb
fBw/Jgsuegszt/IOALuK4oSSpUXJ9+ht8EZUKxKOO8KL3/6GDIPg/je7RTcgrRua
rg9J5hFauadwgSxayRB6bwOotQ0klVsdeJt8GLY1JWGDsN79gEs3h4/sjbERonap
GQIDAQAB
-----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 486246546052962732772733355927707890653310
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-07-01 10:48:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-29 10:48:23 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'prgaf.ufcg.edu.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
 . . . . . . . . . . . . . . . . [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 19915127864605690655659758200767304982690368313116406545286198089612920843373690120918513535647637694559838823131218112548934977984219949076684402532051269300168011822362486320359448960390646711739118324741441771939229507356515031259698951266461804234797745751028438744824707864215884778090840516177545621885296686694193682937173684737023676371521425361223258928879360548899214971814578675131873643875304016845716048158686719527939096332169142042050232329578761601806101257558607210265636840980205614228155309517680006921793478244450332400365208712098825979902717251836502069823371535123182833245060611140378877667609
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							57d0351475a5492bbea2a74d03a655c40aa38639
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (82 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pra.ufcg.edu.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'prgaf.ufcg.edu.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.pra.ufcg.edu.br'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.prgaf.ufcg.edu.br'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.c.lencr.org/127.crl'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076007d591e12e1782a7b1c61677c5efdf8d0875c14a04e959eb9032fd90e8c2e79b800000197c5cfbc50000004030047304502204428fc9082a354fb89adb32795e42bbf682de5922eee54554724b29a6c77f9e802210087f05f1a83777387cc42388fa6b3804e382145f96ef07eb2c1d0abb214bb3a320076000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000197c5cfbc5c0000040300473045022100b5ffea01ecef326ea3bc8d5246e87fd3d3ffd03c743e721a6158bac0abb653d202202d509a56651113c2c723f10da834b1b4f88caf9d0ad686acbac78b2c40f17fea
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		00628bf4c7b1632fa293296e95df867531b097e17896acd31372d20395d8fee41d35f33da05332aa2b967419b4b9bb024c690073f329cb6262bf5716f89ed14d0f53d8e32549e3a088adaf4f9dbc53e4ccb70875091f7091411ad113530a6e794e483125931b7fb16f13bde9d2cf58c3e1d54a005670af7979c350b1cad66b3d61daba560429803664bbc3120c18503b9181917efd02378e11b6a6a72207638ce0c6a8587612489c09f706bfe34676fb4542d94876665c5fca9a7e96170aa6ff6c3d72029be51a1d104c936f495a1cc8a324de5d57003b97c74e19e1beb70e5e14ff9f56386cf029fe9cc3c67fb012535b37808fe8d13ff63314b762f8edcd5f0d