kursusnet.dk

📜 Historical scan 2026-09-27 18:08:50 · ← Latest scan

🚫 Deactivated by the registry ⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kursusnet.dk is a .dk domain the registry has taken out of service: it is delegated to the registry's own sentinel nameservers (nonexistent.punktum.dk), so it does not resolve. It was registered on 8 October 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

1 records 0ms

Nameserver	IP addresses	PTR	ASN / ISP
nonexistent.punktum.dk	—	—	—

🌍 A Records#

🌍

No A records found

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-18 01:35:10

www	104.21.86.161 172.67.221.189 2606:4700:3031::6815:56a1 2606:4700:3034::ac43:ddbd (AS13335) (address records, no CNAME)
www vs bare domain	Only www resolves kursusnet.dk: no address www.kursusnet.dk: 104.21.86.161 172.67.221.189 2606:4700:3031::6815:56a1 2606:4700:3034::ac43:ddbd (AS13335) (all like this)
Wildcard	No

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

0ms

Check	Result
Validation Status	❓ Unknown (the delegated nameservers don't answer)
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	registry sentinel delegation (no resolvable NS); DNSSEC not evaluated

🏷️ SOA#

✗ No SOA record found

📋 Registration#

WHOIS fetched 2026-10-09 09:07:35

Field	Value
Registrar	Openprovider
Registered	2026-10-08
Expires	2027-10-07 (351d)

📋 WHOIS#

⏱️ Lookup Timing#

0ms

AAAA

0ms

TXT

0ms

CAA

0ms

HTTPS

0ms

TLSA

2ms

SOA

0ms

MTA-STS

0ms

DNSSEC

0ms

SRV

0ms

Total

216ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 01:35:10	350ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-09 08:41:48	2610ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-02 18:50:26	256ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-01 18:48:18	113ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-30 18:35:07	245ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-29 18:28:15	228ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-28 18:19:14	226ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-27 18:08:50 shown	216ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-26 18:04:32	247ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-25 17:49:10	792ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-25 17:04:32	212ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-24 16:42:57	199ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-23 16:19:48	204ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-18 08:19:04	1388ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-15 10:22:46	281ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-14 08:38:20	224ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-07 06:58:54	2647ms	1 NS 0 A 0 MX	❓ Unknown
2026-08-28 04:41:42	12051ms	4 NS 0 A 3 MX	🔓 Insecure
2026-06-24 16:15:14	3117ms	4 NS 0 A 3 MX	🔓 Insecure
2026-06-20 19:37:41	662ms	4 NS 0 A 3 MX	🔓 Insecure
2026-06-20 09:44:03	1125ms	4 NS 0 A 3 MX	🔓 Insecure
2026-06-19 18:53:22	1002ms	4 NS 0 A 3 MX	🔓 Insecure
2026-06-19 09:08:59	1011ms	4 NS 0 A 3 MX	🔓 Insecure
2026-06-18 05:31:19	1280ms	4 NS 0 A 3 MX	🔓 Insecure