mail.lusomelt.pt

Issued by R3

About this certificate

This digital certificate with serial number 03:b3:27:28:95:05:64:51:ca:f4:6a:ea:07:78:0d:66:ec:0d was issued on by Let's Encrypt.

With 3 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=mail.lusomelt.pt

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:b3:27:28:95:05:64:51:ca:f4:6a:ea:07:78:0d:66:ec:0d
Serial Number (int): 322299452080344897151034620153010625899533
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 02:b5:d2:d6:69:6b:80:40:1d:cb:59:e0:0d:0d:83:12:3c:b1:ad:85
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 8e:33:f0:72:64:6a:3d:80:14:da:b7:46:52:7f:09:a4:50:e4:6c:52
Fingerprint (sha256): b5:96:5a:fa:64:2d:80:90:76:84:fc:04:2d:60:0f:2c:dd:4f:6b:82:5b:e2:f3:5f:39:10:b9:ae:5d:81:67:22

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

Revocation information

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

Check the revocation status for certificate mail.lusomelt.pt

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.lusomelt.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

lusomelt.pt
mail.lusomelt.pt
www.lusomelt.pt

Other certificates including the domain name lusomelt.pt

(limited to 100 certificates)
carbol.pt
lusomelt.pt
lusomelt.pt
lusomelt.pt
lusomelt.pt
lusomelt.pt
lusomelt.pt
carbol.pt
lusomelt.pt
lusomelt.pt
carbol.pt
trateco.pt
www.lusomelt.pt
lusomelt.pt
mail.lusomelt.pt
lusomelt.pt
www.lusomelt.pt
lusomelt.pt
carbol.pt

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtgSN4Hs0w4iE0EoxuuCw
296E37hwgPjeCkVLkBG+7xLsFNskUZqdstEM6ykWKAsS3AMWAiE4E0QmibhibbVS
cgQtqcqlJzdj0faaMOA+S2aIe06v9pIMSuzWazrQaul+IZZGmx9CDbfEIOYzG+ic
P8XHvmju52NBtWg9iP+c5tR34pMExfWGACwcJwNKNAaexHv49jp/7tlKIaH6o+1F
Oy96TOw/swI5m4WklmaAzbyltzZklOAv5g4420n6yvNzcKqBeTdKA4fefox9fIxq
BrJ0RctOlefWTXFEXD/1m1y2baoVhQm54IvPj7OkGlbpQzkxvGmIsooRtaGC+SIW
HQIDAQAB
-----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 322299452080344897151034620153010625899533
 . . . . . . . . [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 2024-04-17 07:15:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-16 07:15:32 +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 'mail.lusomelt.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 22977617266779323458709793453105865748284613342512146623403120050032184127332905355438688481197706368935344634350673278471856238703102599459225609790574713839368865412633072841903723032618030427908869435941109298098887347716775051805393585808202838591054856666142788319537945509081979959510878329776214144736304294877205981757086789718560270783598023321782206784668335171934830149356763441724964092904592998133039003592946974123738293771274419257394274876122480116291874752286274185442074802993520632463740164429769478638826459147623179569944368721776318283068245222403240822159762780898428682620301313674040295167517
 . . . . . . . . . . . . . . . . . . . . [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)
							02b5d2d6696b80401dcb59e00d0d83123cb1ad85
 . . . . . . . . . . . . . . . . [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 (50 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lusomelt.pt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.lusomelt.pt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.lusomelt.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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018eeb201b840000040300473045022075f64a74e531ed96000117c5dc9a5a2b4ab5b31f0750dda63faca66b57cbf8f6022100fc5566872321ad8dc68a790222e427bade2c22b15ac0f6632fb4a2bf1f7398f300760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018eeb201b740000040300473045022078d7b0836e860a52c1df57df70da29ad33da080304672971de56a3b49c11498b02210093d976c06725154f9a07cdfafc40d4cb28aae8e529f5fe89469dc08ca07e4310
 . . . . [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)
		001c367ebf58512d68655315aef9acf1e842e57d28cc76a52ba9d71d35a0083776b5b359d152142956a55f01158758085a654a8fce124f3a8c908d08fc766133737f719d7b8a4dd279f21b0842723c1432babaf6b2d5aaeae973662aae3b85606ce737c441b043971caae4f3d3c484a443e08a6e4a303d259db17d0c30ee4b94fac2deab1d9d76b9e70d88b6ab1be8b5c077361e2628c93ce30b1203f40bd2a19d40d611dc76ef65e7689f8d735ed167558bc43cc42e59451904e7fea0a1e208a438dd17d22ecf8ca4f125e63d29a4b0e681e28b5ec50c44117bcaaf591820e8e48d5405c499a795c3377d92c42ab15cefcaf823668fc3b64b66c15f330b6f5bc0