DV SSL/TLS Certificate for www.cristinavieira.pt

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the www.cristinavieira.pt DV SSL/TLS Certificate

This certificate with serial number 06:fa:c3:4f:59:86:0a:90:55:7b:a2:26:89:22:33:aa:bb:ba for www.cristinavieira.pt was issued on by Let's Encrypt.

With 2 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 www.cristinavieira.pt 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): 06:fa:c3:4f:59:86:0a:90:55:7b:a2:26:89:22:33:aa:bb:ba
Serial Number (int): 608003918787180276433194056827280726604730
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 31:d3:a7:d6:36:82:72:a2:2c:6c:ed:60:61:1f:bf:b6:43:30:c2:cd
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): bc:ed:28:8b:c6:4b:a5:ed:f3:0b:35:c9:22:07:5d:fe:02:1c:64:aa
Fingerprint (SHA-256): 69:bf:18:48:3e:36:fe:a6:bf:37:b6:30:2d:b1:d4:ed:36:46:40:cc:29:03:db:6a:39:56:3c:74:d9:a3:b8:77

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/59.crl

Check the revocation status for certificate www.cristinavieira.pt
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.cristinavieira.pt

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
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 www.cristinavieira.pt in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvlMnWh8g58Utf3CE/TZf
90h/P8vIHPR/0HSyTZEUVgsOulxFwJccbu454gs52G2dNSpolrdp+NNPWU0UzFst
IoKsRzKc4vyMuHmypccXjLKibL+cYDAR9jFduRGokHbQ1bcVt2NQtC3YT8M+mXGu
0cgUC/gkvDbnHUptUSB36cqzbpECk9eKyhjmSWqRHrDnYnPa11QMtd+Ni8mCyddN
QmV10ohLcYL9+ihYVI+TZdt4F9isC+K2OVOkcWjnWlXXQssreFc+1gSD80cNvpz4
FscHTAiVgfa1gMF1WBmpzDyciJjB08Hb8RYzDTrL2FfriGxZatPF3cJ6NDyBiqor
wQIDAQAB
-----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 608003918787180276433194056827280726604730
 . . . . . . . . [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 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-12 17:40:51 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-10 17:40:50 +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 'www.cristinavieira.pt'
 . . . . . . . . [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 24026282570602342544422188883629214200528981483689201294109819484430329967078445988240836011061444688601368562992152394772221005443577305289850816509217570328388185995582611389121857023596978014393067914320052668220845422896285548927093105798630778420913310432482273916606605499069705994702034576199959015322027436604790722823701633567621177354496717994077169723555436763855467086668754372226753207253761487603726709700439385203214563065843546427563051494228188412109510419891134522602024015539165596315022924547304225365925601078388880943621970685780166009806318798523358207721366964458917766035519036575161839659969
 . . . . . . . . . . . . . . . . . . . . [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)
							31d3a7d6368272a22c6ced60611fbfb64330c2cd
 . . . . . . . . . . . . . . . . [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 bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [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://r10.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 (44 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cristinavieira.pt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cristinavieira.pt'
 . . . . . . . . . . . . . . . . [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 (39 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://r10.c.lencr.org/59.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a8454000001976570836d0000040300463044022038e15cc912e4aecfa19ae3b3cd518992cd14db1b226ee70c3a17f2997e962413022065f6f9323d971f9749876e77aa9d7c15e3759e348ffe79ef90ce3cc4568a916a007500ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db00000019765708ae0000004030046304402202a157b21a8df6447a01f23c46fec04eee86248b53a673e7824b44e2ff6f6e0ad022000d804cea720b4df725fd14061e82d293e16d5443805952b6aa07023d748c5f5
 . . . . [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)
		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