ruydelacerda.pt

Issued by R3

About this certificate

This digital certificate with serial number 03:18:4a:37:a8:7a:89:71:1c:1a:8a:eb:ae:73:5a:a8:ec:bf was issued on by Let's Encrypt.

With 6 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • 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)

Certificate Subject

CN=ruydelacerda.pt

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:18:4a:37:a8:7a:89:71:1c:1a:8a:eb:ae:73:5a:a8:ec:bf
Serial Number (int): 269602286466551751681007048275455631748287
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 61:54:02:cf:c3:5d:9a:17:0d:2f:ce:3e:3f:df:c6:7c:74:91:a3:b0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 3c:b0:ce:92:56:2e:93:77:53:1a:8e:0f:38:70:12:9f:7c:ca:55:63
Fingerprint (sha256): 28:85:5e:b0:b7:1d:79:9c:8f:ca:73:e5:05:30:0a:e8:55:f7:4b:6d:72:62:bd:57:5f:c4:e8:b1:32:b0:df:5d

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate ruydelacerda.pt

6

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ruydelacerda.pt

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

*.rdl.pt
*.ruydelacerda.com
*.ruydelacerda.pt
rdl.pt
ruydelacerda.com
ruydelacerda.pt

Other certificates including the domain name ruydelacerda.pt

(limited to 100 certificates)
rdl.pt
*.rdl.pt
ruydelacerda.pt
ruydelacerda.pt
ruydelacerda.pt
*.ruydelacerda.pt
rdl.pt
rdl.pt
rdl.pt
rdl.pt
rdl.pt
rdl.pt
*.ruydelacerda.pt
*.rdl.pt
rdl.pt
ruydelacerda.pt
rdl.pt

Certificate

The complete raw certificate details for ruydelacerda.pt in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv0JxpGx6UzxPFpbnAV8A
2eWxa6u1mvRWldGQvM66wXLcFxg0DbmgaP0E2i5AYSWdv//Xu+j+Ml8TuSfHk1RL
s6+8LQoQvBgQSzx5GOf4HYN/fVOvc1/FNrUud+b6cBF0kSjFUbuDiqSUQLw4I+6d
tX7LcUMLkXavFCQjlrDAcU3ByQP3uzahBU7rJOgwVOO/mNpk5n9OrrI/LmdP3VuN
cg3LjIWbmfA3ZRb0euQ+CeR4HFdS7B06lo8HoiOXT1RQexwnPAd7OJXnRxdoDFks
d/nz/gT3VwLomzbNv981ae7fVtldujU9emx41mNzs7p1FHzihreC8Z3aEMfnAhyq
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 269602286466551751681007048275455631748287
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-18 22:46:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-17 22:46:46 +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 'ruydelacerda.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 (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 24144280964238884902623203248803539090139923544222761879867124178947214683285820510269377754185028883779750386619671425326644297489816681221760931889556069659680417129362868519376309962150302245456002402021056150106303746069104983262760247646998603750264643453130125543589657521894615303360173847584999627359692791256915659853845061727040103554943583432544844029663098531169786065398647535160925692649621347538246275755610573607074418722258052822380420082040162987215074282283152810982710201861571429184182119755816334497546199381136499112677520024859039048897056654906394953224599529270048573622814786994618106685961
 . . . . . . . . . . . . . . . . . . . . [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)
							615402cfc35d9a170d2fce3e3fdfc67c7491a3b0
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (94 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.rdl.pt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.ruydelacerda.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.ruydelacerda.pt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rdl.pt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ruydelacerda.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ruydelacerda.pt'
 . . . . . . . . . . . . . . . . [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 (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 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c7f5331f10000040300473045022074ee679c1d818272bf5bbd166e541d7f213cb1a0d388091c455f62c66744629902210093d2fcf59205b78ae02d6896a7d1246792876f45ff1de5faf21c7e5a67efe16100750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c7f5331f1000004030046304402206f03726518e277ac76286669d012664bcb696b8e4f0648ec79785daf6ac2bfda0220550d8f288bf8bd812c98a691560c200ca3383f8680a49500a58dd5ce3214d773
 . . . . [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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