smtp.bel.fi
Issued by R3
About this certificate
This digital certificate with serial number 04:ae:2d:ce:5a:90:af:47:23:b5:40:c8:e7:bf:74:98:88:85 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=smtp.bel.fi
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:ae:2d:ce:5a:90:af:47:23:b5:40:c8:e7:bf:74:98:88:85Serial Number (int): 407719162281127424227677614911238199347333
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: fb:33:06:10:14:c4:6b:39:c8:89:bb:16:35:15:aa:1b:1f:df:15:84
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): ab:0e:f7:34:03:38:78:a3:dc:23:57:ef:53:ca:e4:d5:43:ed:9c:4e
Fingerprint (sha256): 5c:78:e1:7d:75:c3:eb:11:00:7a:a2:6e:77:d6:3d:29:88:d8:bd:96:c7:51:df:6a:22:3c:75:39:7f:3d:f4:c0
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate smtp.bel.fi
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for smtp.bel.fi
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
smtp.bel.fi
zeus.bel.fi
zeus.bel.fi
Other certificates including the domain name bel.fi
(limited to 100 certificates)
bel.fi
eregister.nea.nu
bel.fi
osoitteisto.bel.fi
integraatio.bel.fi
test.osoitteisto.bel.fi
bel.fi
hookedon.bel.fi
verkkolaskuosoite.fi
imsure.report
integraatio.bel.fi
bel.fi
bel.fi
bel.fi
integraatio.bel.fi
bel.fi
rj.bel.fi
bel.fi
bacchus.bel.fi
bacchus.bel.fi
bacchus.bel.fi
hookedon.bel.fi
bacchus.bel.fi
verkkolaskuosoite.fi
bel.fi
hookedon.bel.fi
hookedon.bel.fi
verkkolaskuosoite.fi
bacchus.bel.fi
test.osoitteisto.bel.fi
test.osoitteisto.bel.fi
*.bel.fi
bel.fi
saas.bel.fi
bel.fi
verkkolaskuosoite.fi
verkkolaskuosoite.fi
verkkolaskuosoite.fi
bacchus.bel.fi
integraatio.bel.fi
test.osoitteisto.bel.fi
bel.fi
verkkolaskuosoite.fi
saas.bel.fi
osoitteisto.bel.fi
verkkolaskuosoite.fi
bel.fi
asp2.bel.fi
bel.fi
smtp.bel.fi
hookedon.bel.fi
test.osoitteisto.bel.fi
bel.fi
test.osoitteisto.bel.fi
bel.fi
bel.fi
integraatio.bel.fi
hookedon.bel.fi
bacchus.bel.fi
rj.bel.fi
osoitteisto.bel.fi
bel.fi
rj.bel.fi
verkkolaskuosoite.fi
integraatio.bel.fi
bel.fi
integraatio.bel.fi
bacchus.bel.fi
bel.fi
bel.fi
test.osoitteisto.bel.fi
bacchus.bel.fi
saas.bel.fi
bacchus.bel.fi
bel.fi
test.osoitteisto.bel.fi
bel.fi
saas.bel.fi
bel.fi
bel.fi
hookedon.bel.fi
osoitteisto.bel.fi
saas.bel.fi
rj.bel.fi
bacchus.bel.fi
bel.fi
integraatio.bel.fi
bacchus.bel.fi
hookedon.bel.fi
saas.bel.fi
bacchus.bel.fi
bel.fi
bel.fi
saas.bel.fi
saas.bel.fi
integraatio.bel.fi
rj.bel.fi
saas.bel.fi
bacchus.bel.fi
bel.fi
eregister.nea.nu
bel.fi
osoitteisto.bel.fi
integraatio.bel.fi
test.osoitteisto.bel.fi
bel.fi
hookedon.bel.fi
verkkolaskuosoite.fi
imsure.report
integraatio.bel.fi
bel.fi
bel.fi
bel.fi
integraatio.bel.fi
bel.fi
rj.bel.fi
bel.fi
bacchus.bel.fi
bacchus.bel.fi
bacchus.bel.fi
hookedon.bel.fi
bacchus.bel.fi
verkkolaskuosoite.fi
bel.fi
hookedon.bel.fi
hookedon.bel.fi
verkkolaskuosoite.fi
bacchus.bel.fi
test.osoitteisto.bel.fi
test.osoitteisto.bel.fi
*.bel.fi
bel.fi
saas.bel.fi
bel.fi
verkkolaskuosoite.fi
verkkolaskuosoite.fi
verkkolaskuosoite.fi
bacchus.bel.fi
integraatio.bel.fi
test.osoitteisto.bel.fi
bel.fi
verkkolaskuosoite.fi
saas.bel.fi
osoitteisto.bel.fi
verkkolaskuosoite.fi
bel.fi
asp2.bel.fi
bel.fi
smtp.bel.fi
hookedon.bel.fi
test.osoitteisto.bel.fi
bel.fi
test.osoitteisto.bel.fi
bel.fi
bel.fi
integraatio.bel.fi
hookedon.bel.fi
bacchus.bel.fi
rj.bel.fi
osoitteisto.bel.fi
bel.fi
rj.bel.fi
verkkolaskuosoite.fi
integraatio.bel.fi
bel.fi
integraatio.bel.fi
bacchus.bel.fi
bel.fi
bel.fi
test.osoitteisto.bel.fi
bacchus.bel.fi
saas.bel.fi
bacchus.bel.fi
bel.fi
test.osoitteisto.bel.fi
bel.fi
saas.bel.fi
bel.fi
bel.fi
hookedon.bel.fi
osoitteisto.bel.fi
saas.bel.fi
rj.bel.fi
bacchus.bel.fi
bel.fi
integraatio.bel.fi
bacchus.bel.fi
hookedon.bel.fi
saas.bel.fi
bacchus.bel.fi
bel.fi
bel.fi
saas.bel.fi
saas.bel.fi
integraatio.bel.fi
rj.bel.fi
saas.bel.fi
bacchus.bel.fi
bel.fi
Certificate
The complete raw certificate details for smtp.bel.fi in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIID/TCCAuWgAwIBAgISBK4tzlqQr0cjtUDI5790mIiFMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzEyMDMwMzQ3MDlaFw0yNDAzMDIwMzQ3MDhaMBYxFDASBgNVBAMT C3NtdHAuYmVsLmZpMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAiwl7 KbFWjlC9wCwbs2GCYfCQ18bv5akom1axsrYx8nNl9UMk3q3z8RtIwsTm+zvZ2jtr O0fN7edbGmip2ZXKrByMpnoAIeedd9Bx2KPvZW0zEeFjsJVRdwDxWT2IclGXh4yU a5ejAWYdEfFYD0x1i6M+sLMSpv3lCAnDLmYVfG5FBMaMjxiEk61RUcHVkbof5R8x TbjKbNnv1HyPNGDH9ndqwXT9qfGmF3rdyR6tkHrgxOJXt2y+thTWGtilG7DR4XeU alVq7UKtowcCwaPUgeskiypT3vwkBetL7P8J3DDOyP3bYtgA9U4HlrLJyeOK6B0B dviEi2Fcs3yC7NP+RQIDAQABo4IBJzCCASMwDgYDVR0PAQH/BAQDAgWgMB0GA1Ud JQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQW BBT7MwYQFMRrOciJuxY1FaobH98VhDAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDm H6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5v LmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzAj BgNVHREEHDAaggtzbXRwLmJlbC5maYILemV1cy5iZWwuZmkwEwYDVR0gBAwwCjAI BgZngQwBAgEwEwYKKwYBBAHWeQIEAwEB/wQCBQAwDQYJKoZIhvcNAQELBQADggEB AB9ZbIxPnVBjkMWzH9Ns0Tn/jMiULx7171FU7PHaLzooYejWqUmnAFz4R5ESnzdl o3fAEfx87DaVlJajOUByK0+VUjIS61i2ruPKdlggTgH7lwHCHjDWhic3GSEaY8c0 gfWkd+fT6feyusOHV1Q0iubBypx3LyuPLcu2iYXAOLS5M8IkjxZtjW3C0Sij2qOx gC7TX3dE22uJ0aizS+ZCjZBH3fHc/toIsEw4TvHhXHr9Ls6c7AZHy1dcNxh2XYuM z9Sr3TgF8XekLAI7t+VWySA0UOwGmEXVM9WGF2xy2EeYzXy0o+qU4m8oPBlOoJP6 bf3Ohh/IpjkV8ZaEpiFEhi0= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAiwl7KbFWjlC9wCwbs2GC YfCQ18bv5akom1axsrYx8nNl9UMk3q3z8RtIwsTm+zvZ2jtrO0fN7edbGmip2ZXK rByMpnoAIeedd9Bx2KPvZW0zEeFjsJVRdwDxWT2IclGXh4yUa5ejAWYdEfFYD0x1 i6M+sLMSpv3lCAnDLmYVfG5FBMaMjxiEk61RUcHVkbof5R8xTbjKbNnv1HyPNGDH 9ndqwXT9qfGmF3rdyR6tkHrgxOJXt2y+thTWGtilG7DR4XeUalVq7UKtowcCwaPU geskiypT3vwkBetL7P8J3DDOyP3bYtgA9U4HlrLJyeOK6B0BdviEi2Fcs3yC7NP+ RQIDAQAB -----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 407719162281127424227677614911238199347333 . . . . . . . . [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 2023-12-03 03:47:09 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-02 03:47:08 +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 'smtp.bel.fi' . . . . . . . . [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 17551799697374472767577384418398232430854687909988278156230471010358119883658709952811943573248423945076739658441702060139540369114263972144382714262252815286652937830621576734821489300148509649000057372757996468239725782869285117145427829358227374430689685804006167338491146883768456190646531371254189770762512053082934033437893536388350786546739478504511348551332698691727902875487031968073191779108851442105507519396957910470571775152165689396212170536422750721943367625753054263861327038094806360993570899879061844129915155722671989839546558363417370618606966610790316071282924990255905290492532713867411572653637 . . . . . . . . . . . . . . . . . . . . [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) fb33061014c46b39c889bb163515aa1b1fdf1584 . . . . . . . . . . . . . . . . [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 'smtp.bel.fi' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zeus.bel.fi' . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . [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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