www.semanticom.eu

Issued by R3

About this certificate

This digital certificate with serial number 04:35:66:33:3a:e2:4b:c1:52:a0:9d:1f:24:71:2d:71:23:48 was issued on by Let's Encrypt.

With 7 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=www.semanticom.eu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:35:66:33:3a:e2:4b:c1:52:a0:9d:1f:24:71:2d:71:23:48
Serial Number (int): 366619956430869338673936959423303514137416
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 2c:1d:5e:80:79:a7:cb:84:74:c1:33:1a:8c:b8:2d:23:0c:56:3c:20
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 5e:11:c1:c4:b8:09:e6:85:95:18:5b:0e:88:d1:53:dd:ea:f5:48:b3
Fingerprint (sha256): 16:1d:7b:66:17:2e:a2:bd:2a:22:c5:dc:d7:8a:a3:32:d7:4c:3f:dd:5c:50:70:d8:b4:44:2b:9a:68:25:92:72

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

Revocation information

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

Check the revocation status for certificate www.semanticom.eu

7

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.semanticom.eu

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

semanticom-static.decasteljau.factorial.io
semanticom.eu
semanticom.net
semanticom.org
www.semanticom.eu
www.semanticom.net
www.semanticom.org

Other certificates including the domain name semanticom.eu

(limited to 100 certificates)
www.semanticom.eu
www.semanticom.eu
mail.semanticom.eu
www.semanticom.eu

Certificate

The complete raw certificate details for www.semanticom.eu in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnOH2Yaa4nlO2yhaoW23L
wqVV1CPxTCytkmnryFNfLjGAIoDGlEbgABEDLUQX3Ch+joRK06L8bO9fUVimQg9E
xMG+6zx9iXWdolWodnU0z0nxsbnz11Eak9+mJKantxHJVeauuulAKcurw/e7HUOb
tH4vYHI8DqHhMduyHoYOiiQvEm5yE9KDsisUzA9zb7o47xIoLZZxe9pHaEZXN959
K7tN1kNYjO1xX6ZDWIU8o6gwZoRVweMsblr5YwYekoJv8dzqjNRzI49WMxzO3LLH
n/FMrK6eEIU4qsybnc3psnwNTTCTHwqlW3HnAHLJzlFnzA6ekqwDrkUwTUFeHBLE
5wIDAQAB
-----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 366619956430869338673936959423303514137416
 . . . . . . . . [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 2023-12-21 10:09:20 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-20 10:09:19 +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 'www.semanticom.eu'
 . . . . . . . . [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 19804601800637380151565619788614275613833108538777019871174760731831866682407130539303636336726774335702300338644506932918333009445510290380541851682513489658883651904592938598754273723345817983519276941571971321312533774961630069067751291729611551744770249806456132759525271895555840813349624375751819922525988298253192607951682952790500854145804885543041210280764320160285191733002696111559653892348422350666037550928433672906769605253419407984530299039815935223352256426408135065794119271664349389162009954923903474287243425932881661223003759898453064377107256974898658392033414878962907834490290867978931902006503
 . . . . . . . . . . . . . . . . . . . . [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)
							2c1d5e8079a7cb8474c1331a8cb82d230c563c20
 . . . . . . . . . . . . . . . . [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 (153 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'semanticom-static.decasteljau.factorial.io'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'semanticom.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'semanticom.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'semanticom.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.semanticom.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.semanticom.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.semanticom.org'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c8c10ccd70000040300483046022100fcb012ff9eae2669cfea938496ba4b2ab74a3b6d55207348f9126eacecfd4ccf022100f7d665cc18bc2332dacdd858b453d560e2ed582a9c1e65040a373401d1d7001e00760029d03a1bb674aa711cd3035b6557c14f8aa78b4fe8389449eca453f944bd24680000018c8c10cd9e000004030047304502206f49ddcd95f1bb7babc2ee3ee00b77d0823d9a8ca4c7499d0247dab3aba92882022100a71c1ef43af85adc90965d6cf8f7c894ed22d0a701a93c1af3287b227efdf4b6
 . . . . [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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