zfour.dk

📜 Historical scan 2026-07-23 13:15:21 · ← Latest scan

🧟 Lame delegation ⬇ Zone File 📜 Timeline & History ⚡ Scan Now

zfour.dk is a registered .dk domain whose nameservers (ns-1255.awsdns-28.org, ns-17.awsdns-02.com, ns-1935.awsdns-49.co.uk and 1 more) do not answer for it, so it is currently a lame delegation and does not resolve. It was registered on 27 April 2005 (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#

4 records 420ms

Nameserver	IP addresses	PTR	ASN / ISP
ns-1255.awsdns-28.org	205.251.196.231 2600:9000:5304:e700::1	ns-1255.awsdns-28.org ns-1255.awsdns-28.org	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-17.awsdns-02.com	205.251.192.17 2600:9000:5300:1100::1	ns-17.awsdns-02.com ns-17.awsdns-02.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-1935.awsdns-49.co.uk	205.251.199.143 2600:9000:5307:8f00::1	ns-1935.awsdns-49.co.uk ns-1935.awsdns-49.co.uk	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns-895.awsdns-47.net	205.251.195.127 2600:9000:5303:7f00::1	ns-895.awsdns-47.net ns-895.awsdns-47.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

456ms

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 2026-10-17 08:27:08

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-04-27
Expires	2027-04-30 (192d)

🔗 Same registrant#

7 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).

Domain	Registrar
baboon.dk	Punktum dk A/S (direct)
onelogin.dk	Punktum dk A/S (direct)
pcinside.dk	Punktum dk A/S (direct)
pcinsider.dk	Punktum dk A/S (direct)
raid1.dk	Punktum dk A/S (direct)
raidet.dk	Punktum dk A/S (direct)
topstykket.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

420ms

418ms

AAAA

419ms

TXT

2083ms

CAA

417ms

HTTPS

417ms

TLSA

423ms

SOA

424ms

MTA-STS

425ms

DNSSEC

456ms

SRV

424ms

Total

6831ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 16:01:15	6524ms	4 NS 0 A 0 MX	❓ Unknown
2026-09-25 21:45:34	6673ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-26 10:56:56	6685ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-23 17:48:25	6407ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-22 13:37:08	11438ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-21 13:13:30	2142ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-20 12:50:27	12040ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-19 07:51:07	1979ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-18 07:36:11	4785ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-16 23:00:26	10209ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-15 11:12:30	4517ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-14 08:04:37	7048ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-12 20:23:48	6220ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-11 14:53:53	5388ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-10 14:18:01	8515ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-09 04:41:59	2615ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-07 22:34:55	5115ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-06 04:32:02	10610ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-27 18:36:34	4855ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-26 18:23:52	14303ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-25 18:00:28	6630ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-24 17:12:46	14504ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-23 13:15:21 shown	6831ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-22 12:46:28	6064ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-21 07:38:06	6323ms	4 NS 0 A 0 MX	❓ Unknown