opgaveforsvar.dk

📜 Historical scan 2026-07-02 23:43:10 · ← Latest scan

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

opgaveforsvar.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 19 June 2026 (WHOIS) and first appeared in the .dk zone on 20 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 33ms

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 2026-10-13 03:06:07

www CNAME	a9c9ba9a8cdc03fb.vercel-dns-017.com (all on vercel-dns-017.com) → 216.150.1.65 216.150.16.65 (AS16509)
www vs bare domain	Same network opgaveforsvar.dk: 216.198.79.1 (AS16509) www.opgaveforsvar.dk: 216.150.1.65 216.150.16.65 (AS16509)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

75ms

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	resolution failed: failure

🏷️ SOA#

✗ No SOA record found

📋 Registration#

WHOIS fetched 2026-10-22 00:45:33

Field	Value
Registrar	DANDOMAIN A/S
Registered	2026-06-19
Expires	2027-06-18 (237d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

33ms

31ms

33ms

AAAA

32ms

TXT

144ms

CAA

31ms

HTTPS

32ms

TLSA

26ms

SOA

25ms

MTA-STS

51ms

DNSSEC

75ms

SRV

45ms

Total

512ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 19:28:01	435ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 10:26:00	669ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 23:02:57	1056ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 07:35:10	3308ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 07:51:38	500ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-08 14:01:27	723ms	2 NS 1 A 0 MX	🔒 Secure
2026-07-07 01:36:55	904ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-05 18:35:05	14058ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-04 14:46:32	689ms	1 NS 0 A 0 MX	❓ Unknown
2026-07-02 23:43:10 shown	512ms	1 NS 0 A 0 MX	❓ Unknown
2026-06-23 23:45:32	344ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 18:28:40	798ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 08:42:24	620ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 07:05:08	2333ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 05:18:41	510ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-21 03:50:51	617ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 22:27:40	1019ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 17:09:42	2197ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 08:34:58	2702ms	0 NS 0 A 0 MX	❓ Unknown