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

ns01.coretrek.net · 45.140.1.32:443

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
The certificate has expired.

Certificate verification failed

Subject
CN=nccnorway.no
Issuer
CN=nccnorway.no
Valid from
2025-03-03T14:20:36+00:00
Expires
2026-03-03T14:20:36+00:00
Days remaining
-249
Serial (hex)
A67D3334
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:nccnorway.no, DNS:mail.nccnorway.no, DNS:www.nccnorway.no, DNS:cpanel.nccnorway.no, DNS:webmail.nccnorway.no, DNS:webdisk.nccnorway.no, DNS:cpcontacts.nccnorway.no, DNS:cpcalendars.nccnorway.no

SHA-256 fingerprint

8D:FE:5B:C3:F0:3A:01:1D:EE:52:8B:EC:8E:A6:7E:36:4F:60:01:2C:B3:EB:CB:BC:6B:0E:D5:65:66:7F:5F:EE
Certificate extensions & PEM
subjectKeyIdentifier
DA:7C:D1:C7:64:F1:E4:BC:C4:12:96:05:DA:70:64:9B:05:5C:84:D7
basicConstraints
CA:FALSE
authorityKeyIdentifier
keyid:DA:7C:D1:C7:64:F1:E4:BC:C4:12:96:05:DA:70:64:9B:05:5C:84:D7 DirName:/CN=nccnorway.no serial:A6:7D:33:34
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
subjectAltName
DNS:nccnorway.no, DNS:mail.nccnorway.no, DNS:www.nccnorway.no, DNS:cpanel.nccnorway.no, DNS:webmail.nccnorway.no, DNS:webdisk.nccnorway.no, DNS:cpcontacts.nccnorway.no, DNS:cpcalendars.nccnorway.no
-----BEGIN CERTIFICATE-----
MIID9jCCAt6gAwIBAgIFAKZ9MzQwDQYJKoZIhvcNAQELBQAwFzEVMBMGA1UEAwwM
bmNjbm9yd2F5Lm5vMB4XDTI1MDMwMzE0MjAzNloXDTI2MDMwMzE0MjAzNlowFzEV
MBMGA1UEAwwMbmNjbm9yd2F5Lm5vMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB
CgKCAQEAzdJKsuchIzt/NBd23WxiazyaP1sYiQ6ym1NrqoYPfXMx/8pHEDKJIFJE
1pDHuwoEMhG4u0rlLEsoiuWq70NHq7l65E8RPWjYdQzOv5e58b9qtaR+Kj6BbYtS
Z3U5CfUlTrw5XlID7aVHRIN5SCrtruBk1IbrwUBwWHL2Pi3yAE6vIG9m5GmkbWJM
o9swWiCgigZdPgoca45LERXt1Rs3jzHo7lyDOPWvDMr4YVc58+FhcSGOjzGAfmaR
49AtAcbIr5+4W0oeJrMXk15/0PR/YRiYtyI9evuGhJT9FkT6+2OQHeMPZGe7B7l2
gEy0ZRJsWVXOvgD/f6ysT0WD0fptCQIDAQABo4IBRzCCAUMwHQYDVR0OBBYEFNp8
0cdk8eS8xBKWBdpwZJsFXITXMAkGA1UdEwQCMAAwQwYDVR0jBDwwOoAU2nzRx2Tx
5LzEEpYF2nBkmwVchNehG6QZMBcxFTATBgNVBAMMDG5jY25vcndheS5ub4IFAKZ9
MzQwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMIGyBgNVHREEgaowgaeC
DG5jY25vcndheS5ub4IRbWFpbC5uY2Nub3J3YXkubm+CEHd3dy5uY2Nub3J3YXku
bm+CE2NwYW5lbC5uY2Nub3J3YXkubm+CFHdlYm1haWwubmNjbm9yd2F5Lm5vghR3
ZWJkaXNrLm5jY25vcndheS5ub4IXY3Bjb250YWN0cy5uY2Nub3J3YXkubm+CGGNw
Y2FsZW5kYXJzLm5jY25vcndheS5ubzANBgkqhkiG9w0BAQsFAAOCAQEAA03nh2cq
rYy+NJtp8xCExlhY0xTQXLMdyAsuMLkYWl9lpoYjjc34FCfrLEXqXAOvgRkWnayq
h4fbcOmFWohw+yn2DBqlfk8yP1c8MfNWMLRrHYBxjK9f+gdndNhSV/CojgFgE5Zl
7tt47BjhmAgvgrtAWdVDv8019xFwiWdxvLMljgjbWl/ZmnHcAht/yMyM8vjHoIDH
+guaRJJeLtg1aeEwqNHP1CsqMc+uYm/3mvpQ/5ZVHl1L+TPp8X2NVHsRhc/wHTZw
xH3C0ImksM4y6AHUBqP/PpOGUD0znSqJ0mM2/NfDuroBTWVWOiGtLXflhgk2B3iM
okjA8n9+m80M9g==
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-11-07T08:16:05+00:00

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

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