postal.pt

Issued by R3

About this certificate

This digital certificate with serial number 04:c4:28:64:8a:df:54:8d:d0:25:fc:3c:9f:2a:75:64:e6:62 was issued on by Let's Encrypt.

With 2 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=postal.pt

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:c4:28:64:8a:df:54:8d:d0:25:fc:3c:9f:2a:75:64:e6:62
Serial Number (int): 415198178809728749269925984380183172671074
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 66:16:aa:bc:a5:7b:f7:ed:c2:5a:80:da:ca:fb:a2:5a:a8:ba:3c:49
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 25:2e:a2:b2:35:13:61:b2:eb:b2:b5:e0:1e:54:d8:02:49:00:9d:54
Fingerprint (sha256): da:a9:81:06:d7:d7:d2:c6:7a:43:cb:74:ce:d3:78:3f:eb:fe:db:3c:b3:12:c2:5b:4e:db:04:d0:75:6c:92:cb

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

Revocation information

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

Check the revocation status for certificate postal.pt

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for postal.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

postal.pt
www.postal.pt

Other certificates including the domain name postal.pt

(limited to 100 certificates)
postal.pt
*.app.bcbm.pt
postal.pt
postal.pt
postal.pt
postal.pt
postal.pt
*.advnce.sic.pt
postal.pt
*.app.bcbm.pt
*.averdade.qas.impresa.pt
*.advnce.sic.pt
postal.pt
postal.pt
*.app.bcbm.pt
*.app.bcbm.pt
*.advnce.sic.pt
*.app.bcbm.pt
*.advnce.sic.pt
postal.pt
postal.pt
postal.pt
postal.pt
*.app.bcbm.pt
*.app.bcbm.pt
postal.pt
*.app.bcbm.pt
*.averdade.qas.impresa.pt
postal.pt
postal.pt
postal.pt
*.app.bcbm.pt
*.averdade.qas.impresa.pt
postal.pt
*.app.bcbm.pt
*.advnce.sic.pt
*.app.bcbm.pt
*.app.bcbm.pt
postal.pt
postal.pt
postal.pt
*.averdade.qas.impresa.pt
*.averdade.qas.impresa.pt
sni.cloudflaressl.com
*.app.bcbm.pt
*.app.bcbm.pt
postal.pt
postal.pt
*.app.bcbm.pt
postal.pt
postal.pt
sni.cloudflaressl.com
*.advnce.sic.pt
*.advnce.sic.pt
*.averdade.qas.impresa.pt
postal.pt
*.app.bcbm.pt
*.app.bcbm.pt
*.app.bcbm.pt
*.app.bcbm.pt
*.app.bcbm.pt
postal.pt
*.app.bcbm.pt
*.advnce.sic.pt
postal.pt
postal.pt
*.app.bcbm.pt
postal.pt
postal.pt
*.averdade.qas.impresa.pt
*.averdade.qas.impresa.pt
*.app.bcbm.pt
*.app.bcbm.pt
postal.pt
*.app.bcbm.pt

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzoba9KxBwfKvtYi+w8sN
DqC1Vwy71v6kpYx2HrPRdHz4+5/cSDibVlzOhOeBAobL06zgqEYT/BszZHk1lzQE
lcB5hkCYHsfIvlRqllIlmyojjgYT9tT4nr74/DbI8C7zftyZxUau1qvyOItHFCU7
q43+fAdXXZ2+JW44apYgWR3GTX7HmUGdtONXykX4lR9tce7P9MBGJ5kplodW12HX
zTEEN6un3tZpprRg5pHorZykbY7fGxE6lpRcEo0/SJ0QRjsKILByv37V65SA2x/Q
zHjypr495sN7lQCzhBduFP0mZC4RY9qE5/9w5FsUG2FlDpCmd8WRQkkqE316GFS8
jQIDAQAB
-----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 415198178809728749269925984380183172671074
 . . . . . . . . [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 2023-12-12 18:32:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-11 18:32:49 +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 'postal.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 26071590447897166048209119307765815278943856231023691392752165669723886417175805129256748703080129646107507389042657947040781343862230448930238850388062835385154592193295543770019374143261705445087098182267019683266264184389482552756920673032975830422967229901840755945054477337593428265942119243289376712339139181703241302071035590335479990401702998229508163831680604821775577008072907197869115124192229042438006369049812590405210635287617952187160192389600171581339793785143685091538116542432357275202990218124112980417563750454266126905743640700798538819945641103467502265259391038883151553267829697758537784278157
 . . . . . . . . . . . . . . . . . . . . [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)
							6616aabca57bf7edc25a80dacafba25aa8ba3c49
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'postal.pt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.postal.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c5f84896c0000040300473045022065458806b923027dd93ef853636edd5fd7779362ff737c7a48cb01a2a59dc8f2022100a7521795f48d9d7895f2640b52549cbea2f2236d7a97ad98deb108ed2e45182d00760029d03a1bb674aa711cd3035b6557c14f8aa78b4fe8389449eca453f944bd24680000018c5f848a3300000403004730450221009b842b78c8d029360b89c4488662a85e0c31a122099f6ef91da6ac3edaf2b0180220757eb5dbe6a9a160cdbcab15164494245869d128cd37112ea05d290724a0edd0
 . . . . [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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