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

cad.no · 212.16.185.16:443

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=cad.no
Issuer
CN=cad.no
Valid from
2020-08-06T08:50:35+00:00
Expires
2021-08-06T08:50:35+00:00
Days remaining
-1877
Serial (hex)
0157A29709
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

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

SHA-256 fingerprint

B8:81:FD:EE:0D:A4:64:D5:FF:A1:54:62:6E:FA:54:3E:14:CA:A1:63:47:A0:1B:49:07:9D:7C:13:18:EA:20:02
Certificate extensions & PEM
subjectKeyIdentifier
3F:4B:A8:59:BB:68:D8:C8:CF:F1:5E:91:8F:37:2F:75:F6:BF:F6:86
basicConstraints
CA:FALSE
authorityKeyIdentifier
keyid:3F:4B:A8:59:BB:68:D8:C8:CF:F1:5E:91:8F:37:2F:75:F6:BF:F6:86 DirName:/CN=cad.no serial:01:57:A2:97:09
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
subjectAltName
DNS:cad.no, DNS:mail.cad.no, DNS:www.cad.no, DNS:cpanel.cad.no, DNS:webmail.cad.no, DNS:webdisk.cad.no, DNS:cpcontacts.cad.no, DNS:cpcalendars.cad.no, DNS:autodiscover.cad.no
-----BEGIN CERTIFICATE-----
MIIDyTCCArGgAwIBAgIFAVeilwkwDQYJKoZIhvcNAQELBQAwETEPMA0GA1UEAwwG
Y2FkLm5vMB4XDTIwMDgwNjA4NTAzNVoXDTIxMDgwNjA4NTAzNVowETEPMA0GA1UE
AwwGY2FkLm5vMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAy3DuKZWW
g1DgSNT95vJvvb6/T4tDUVj1xpQMsM12OaeXVGUjCZNEh8oPKdpbjsIZpo+O3fc8
JV52jWUnOxEDPqLhpaSOQ9pNmm8k/+KPuy0db01YuAfU46tJ1X0h3I2prXDH4psk
FDqkb7toJ6TgJL1gX4UcirvmRMbAp/oTnXdZE1UMHVss2hIbRE3RWNrYrqECrXRo
v66smezMqNJ/W4zUcUP4TFJ2HAmQUuOwprJQyP15gdQn3lUxwAHvhg8OLscWfN4K
2P9sj4YXiBwLYAt2cIsE5usOLF1Sd8Ek8oThWmaf8YSLKJ5DAy01ZrS9RVz/Rl3n
gKpEL8lOhRuSvwIDAQABo4IBJjCCASIwHQYDVR0OBBYEFD9LqFm7aNjIz/FekY83
L3X2v/aGMAkGA1UdEwQCMAAwPQYDVR0jBDYwNIAUP0uoWbto2MjP8V6Rjzcvdfa/
9oahFaQTMBExDzANBgNVBAMMBmNhZC5ub4IFAVeilwkwHQYDVR0lBBYwFAYIKwYB
BQUHAwEGCCsGAQUFBwMCMIGXBgNVHREEgY8wgYyCBmNhZC5ub4ILbWFpbC5jYWQu
bm+CCnd3dy5jYWQubm+CDWNwYW5lbC5jYWQubm+CDndlYm1haWwuY2FkLm5vgg53
ZWJkaXNrLmNhZC5ub4IRY3Bjb250YWN0cy5jYWQubm+CEmNwY2FsZW5kYXJzLmNh
ZC5ub4ITYXV0b2Rpc2NvdmVyLmNhZC5ubzANBgkqhkiG9w0BAQsFAAOCAQEAmZDK
++nr1nUi4H2lK3O0YEKZcvGwiIP1Fskr/GNW/LiK8M7porjPc+Qj/GUe52PwD+wP
a9N4nqWUcd7zJbqKOzy+gntbmKMvfzbEJhRpldpPUV8xUIrtBUugBIFfk3SrfWJD
D5b1WmclPu6IAqp3ECMI+63m7udHpOPG4Cfb+UMCQIqT3OCHKNBoGB7htUaRRixj
Sri4zohPxuCgJGfg5NOAbb7tmxGdUYzFILfB2dl6u2IdXq2Dtg/m+5YrqEdnbyWA
0I7VCVsXdEbpR9+/yf9thM+Qvhy3CTo6j0ONhmR8/UFgdTFc8VfbqsDMRDdsRrMe
jYfF6ahgIbsvs/mFFw==
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-25T15:52:55+00:00

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

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