DNS
THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.3

qonnected.nl · 87.249.106.11:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed

Certificate verification failed

Subject
CN=*.qonnected.nl
Issuer
C=GB O=Sectigo Limited CN=Sectigo Public Server Authentication CA DV R36
Valid from
2026-05-27T00:00:00+00:00
Expires
2026-12-11T23:59:59+00:00
Days remaining
75
Serial (hex)
831A409071C72D19B10CD08EBFDAE545
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.qonnected.nl, DNS:qonnected.nl

SHA-256 fingerprint

83:36:1D:53:B4:12:56:85:66:CE:3D:1D:2C:BA:0F:BE:69:B2:BD:3A:B3:AE:F4:97:E1:19:85:55:41:40:7F:3B
Certificate extensions & PEM
authorityKeyIdentifier
68:C0:12:16:18:0E:AF:CE:F6:87:A6:32:57:A3:46:51:5D:CB:07:27
subjectKeyIdentifier
40:FF:DF:E4:5D:5C:67:14:05:73:94:E5:67:E8:A3:24:1E:55:65:71
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
extendedKeyUsage
TLS Web Server Authentication
certificatePolicies
Policy: 1.3.6.1.4.1.6449.1.2.2.7 CPS: https://sectigo.com/CPS Policy: 2.23.140.1.2.1
authorityInfoAccess
CA Issuers - URI:http://crt.sectigo.com/SectigoPublicServerAuthenticationCADVR36.crt OCSP - URI:http://ocsp.sectigo.com
subjectAltName
DNS:*.qonnected.nl, DNS:qonnected.nl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D7:6D:7D:10:D1:A7:F5:77:C2:C7:E9:5F:D7:00:BF:F9: 82:C9:33:5A:65:E1:D0:B3:01:73:17:C0:C8:C5:69:77 Timestamp : May 27 12:20:21.582 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:1C:97:EF:B2:EB:54:16:B9:A8:BA:70:48: 3A:92:72:16:FB:85:10:3A:61:E5:33:63:14:D5:EB:65: F0:DD:70:42:02:21:00:BD:04:B5:01:42:E8:90:6A:E1: BC:90:32:9E:42:EA:BA:4A:A3:15:63:7B:CF:2B:77:5C: 81:95:05:01:FA:CF:6B Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C8:A3:C4:7F:C7:B3:AD:B9:35:6B:01:3F:6A:7A:12:6D: E3:3A:4E:43:A5:C6:46:F9:97:AD:39:75:99:1D:CF:9A Timestamp : May 27 12:20:21.655 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:DD:40:74:BA:4E:45:80:2E:97:BB:42: 2D:5B:F4:7C:0E:7D:C3:24:B7:E3:9C:F9:DD:46:8B:A4: 35:A1:C4:C6:47:02:20:01:79:DD:E6:A7:EB:C6:49:D1: 8D:09:33:81:97:0D:9E:64:DE:60:90:41:17:0E:7C:AF: 43:06:B4:DD:67:FC:F6 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 6C:FE:50:19:43:A8:5E:A9:16:BC:52:D1:33:E4:DC:C9: 1E:F1:41:1C:7D:25:84:20:D1:73:80:9E:18:18:EB:3A Timestamp : May 27 12:20:22.201 2026 GMT Extensions: 00:00:05:00:0D:95:F8:8B Signature : ecdsa-with-SHA256 30:44:02:20:75:E6:BD:E5:83:A5:90:54:BB:C4:E5:C4: 2B:74:1A:65:49:A9:F2:14:88:8B:BD:E6:21:DE:9A:99: FD:5E:1B:3B:02:20:07:23:73:43:1C:7C:B2:A7:C5:82: 14:2A:3F:82:09:D8:FF:60:FB:BC:5D:28:47:A4:B1:A1: 12:E0:46:68:80:BF
-----BEGIN CERTIFICATE-----
MIIHgTCCBemgAwIBAgIRAIMaQJBxxy0ZsQzQjr/a5UUwDQYJKoZIhvcNAQELBQAw
YDELMAkGA1UEBhMCR0IxGDAWBgNVBAoTD1NlY3RpZ28gTGltaXRlZDE3MDUGA1UE
AxMuU2VjdGlnbyBQdWJsaWMgU2VydmVyIEF1dGhlbnRpY2F0aW9uIENBIERWIFIz
NjAeFw0yNjA1MjcwMDAwMDBaFw0yNjEyMTEyMzU5NTlaMBkxFzAVBgNVBAMMDiou
cW9ubmVjdGVkLm5sMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAtTFJ
AKflT4ufVJ3ZG0Un8kZOExXNHBNYfALlREJmDQgwXHvFSZKPCTxVnlxHTY4jfuzD
qE6ahaemnVoe2P2OywZYOgZGghkd6980NxZKqj8JLQixmK59oyZ+1s47IxQ2rgd/
n11le4J6bwbhjpuBKE9wiMBnEquI+ErJPMuLSq96Nq7DgL8xfFPSE6FX0w1TSVfV
GJYCqBwFaxBF1Doe4lhTDzQyIuAQrp+CpXWitdOFAq16Qx0VUbnPRQ8U7DbEG+P3
fVxCKUEjPmGdt1oofuGSQ4YheLvracFuU3+QogO2+B5ty9n7okUCwnYGhrY5qMch
rAn09YivpN64CTWplPdlQqhUaeuHtKUwB7AFLW5LQZdu3vr2dUloYuuznEXUstsh
BDmxbbwMaQNY2I1urWL/AiNoZ9ki24JXS7NSKsUUzZpvKaJG6OOOxOKxdyYqNWQE
KcAaZEK5rls4HtcIL9rCV9SrboRxBj+UPmj+DD08ie2XBFExI3t/JIfuULOs8ojE
sX2+3/QcZHgPyaYO5WpQjO5mAuqWyZc3tJTE8ItTe/T/rccHoBFNp9+2bW9U6MMa
2Q8pJgK5sHMOdXL3IXVOAzfxz40BTRnvPX7fDAdbpggPw+v8XcPMnQQQ1E/RrzET
3PVLr00koojlaCXy1nniXvH35kcgs+AoTqr36fECAwEAAaOCAvswggL3MB8GA1Ud
IwQYMBaAFGjAEhYYDq/O9oemMlejRlFdywcnMB0GA1UdDgQWBBRA/9/kXVxnFAVz
lOVn6KMkHlVlcTAOBgNVHQ8BAf8EBAMCBaAwDAYDVR0TAQH/BAIwADATBgNVHSUE
DDAKBggrBgEFBQcDATBJBgNVHSAEQjBAMDQGCysGAQQBsjEBAgIHMCUwIwYIKwYB
BQUHAgEWF2h0dHBzOi8vc2VjdGlnby5jb20vQ1BTMAgGBmeBDAECATCBhAYIKwYB
BQUHAQEEeDB2ME8GCCsGAQUFBzAChkNodHRwOi8vY3J0LnNlY3RpZ28uY29tL1Nl
Y3RpZ29QdWJsaWNTZXJ2ZXJBdXRoZW50aWNhdGlvbkNBRFZSMzYuY3J0MCMGCCsG
AQUFBzABhhdodHRwOi8vb2NzcC5zZWN0aWdvLmNvbTAnBgNVHREEIDAegg4qLnFv
bm5lY3RlZC5ubIIMcW9ubmVjdGVkLm5sMIIBhQYKKwYBBAHWeQIEAgSCAXUEggFx
AW8AdgDXbX0Q0af1d8LH6V/XAL/5gskzWmXh0LMBcxfAyMVpdwAAAZ5pYPHOAAAE
AwBHMEUCIByX77LrVBa5qLpwSDqSchb7hRA6YeUzYxTV62Xw3XBCAiEAvQS1AULo
kGrhvJAynkLqukqjFWN7zyt3XIGVBQH6z2sAdgDIo8R/x7OtuTVrAT9qehJt4zpO
Q6XGRvmXrTl1mR3PmgAAAZ5pYPIXAAAEAwBHMEUCIQDdQHS6TkWALpe7Qi1b9HwO
fcMkt+Oc+d1Gi6Q1ocTGRwIgAXnd5qfrxknRjQkzgZcNnmTeYJBBFw58r0MGtN1n
/PYAfQBs/lAZQ6heqRa8UtEz5NzJHvFBHH0lhCDRc4CeGBjrOgAAAZ5pYPQ5AAgA
AAUADZX4iwQDAEYwRAIgdea95YOlkFS7xOXEK3QaZUmp8hSIi73mId6amf1eGzsC
IAcjc0McfLKnxYIUKj+CCdj/YPu8XShHpLGhEuBGaIC/MA0GCSqGSIb3DQEBCwUA
A4IBgQA3k6sh2Ws8BLOI1RoCvWdYIXUvGSaFpdpvco+LJQJ80Gg6S2xwpkSYKMtf
+x+ky/U2MmY1NYN+a8dSC6BYo5/PFuc9QpWZ0lHZxRhLLF+FjWe91KaGOQqIm23P
g+SuafbBN1IpT/OudWD8hwA+fbXiSSIlte+c2VFK0Sg4ok+QkPdITkMvSZ1rRXBe
6Qv4+T3mzxcIrHWa1txZzb1ve1NyDI8ocHKdYWhffSd7nPQAps4s2l8fm0EcuD0s
Y5drqmtyAM0sYDCGnCUqbqBRJguPijftr+Rt535sCDFU+NYGxuuJHT60JYaKupVx
MmgcCjGx62RYeTCIZfkrIoTuxZtzGOWURAvpT4QtTWMfhXaGmnH18MccjveIGvFK
J628jSUqvGp3VAtRwzHxCLGR8jGFtsvbGKg7EIK2O63Y4c7/TiWqOzrQEFj4sloW
aVG+FutVORcCgsOAKrQdsEEAb5T+rsF0W3OfwbUTSC3yGnKNhwd3O9d+9KkqBiOc
XmgdseA=
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-27T03:46:17+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=GB ST=Greater Manchester L=Salford O=Sectigo Limited CN=Sectigo RSA Domain Validation Secure Server CA
Issuer
C=US ST=New Jersey L=Jersey City O=The USERTRUST Network CN=USERTrust RSA Certification Authority
Valid from
2018-11-02T00:00:00+00:00
Expires
2030-12-31T23:59:59+00:00
Days remaining
1556
Serial (hex)
7D5B5126B476BA11DB74160BBC530DA7
Signature
RSA-SHA384
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

7F:A4:FF:68:EC:04:A9:9D:75:28:D5:08:5F:94:90:7F:4D:1D:D1:C5:38:1B:AC:DC:83:2E:D5:C9:60:21:46:76
Certificate extensions & PEM
authorityKeyIdentifier
53:79:BF:5A:AA:2B:4A:CF:54:80:E1:D8:9B:C0:9D:F2:B2:03:66:CB
subjectKeyIdentifier
8D:8C:5E:C4:54:AD:8A:E1:77:E9:9B:F9:9B:05:E1:B8:01:8D:61:E1
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
certificatePolicies
Policy: X509v3 Any Policy Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://crl.usertrust.com/USERTrustRSACertificationAuthority.crl
authorityInfoAccess
CA Issuers - URI:http://crt.usertrust.com/USERTrustRSAAddTrustCA.crt OCSP - URI:http://ocsp.usertrust.com
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US ST=New Jersey L=Jersey City O=The USERTRUST Network CN=USERTrust RSA Certification Authority
Issuer
C=US ST=New Jersey L=Jersey City O=The USERTRUST Network CN=USERTrust RSA Certification Authority
Valid from
2010-02-01T00:00:00+00:00
Expires
2038-01-18T23:59:59+00:00
Days remaining
4131
Serial (hex)
01FD6D30FCA3CA51A81BBC640E35032D
Signature
RSA-SHA384
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

E7:93:C9:B0:2F:D8:AA:13:E2:1C:31:22:8A:CC:B0:81:19:64:3B:74:9C:89:89:64:B1:74:6D:46:C3:D4:CB:D2
Certificate extensions & PEM
subjectKeyIdentifier
53:79:BF:5A:AA:2B:4A:CF:54:80:E1:D8:9B:C0:9D:F2:B2:03:66:CB
keyUsage
Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

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