4xk.dk

📜 Historical scan 2026-07-14 16:12:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

4xk.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 January 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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#

2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

🌍

No A records found

📧 MX Records#

5 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	108.177.14.26 2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1a	lt-in-f26.1e100.net lr-in-f26.1e100.net lr-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	alt3.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	alt4.aspmx.l.google.com	192.178.230.27 2404:6800:400b:c01b::1b	yunrtab-in-f27.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 128ms

TXT Record
google-site-verification=QqCFNsQwGFUieSYe8Bz_3dR28vcG0zaWDb-bomYWFjE

✉️ 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 19:04:57

www CNAME	custom-domains.chatgpt.site (all on chatgpt.site) → 104.18.22.186 104.18.23.186 2606:4700::6812:16ba 2606:4700::6812:17ba (AS13335)
www vs bare domain	Same network 4xk.dk: 162.159.143.30 172.66.3.26 (AS13335) www.4xk.dk: 104.18.22.186 104.18.23.186 2606:4700::6812:16ba 2606:4700::6812:17ba (AS13335)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

51ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2026071301
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-12 20:36:43

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-01-08
Expires	2027-03-31 (164d)

🔗 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#

29ms

AAAA

29ms

TXT

128ms

CAA

28ms

HTTPS

29ms

TLSA

192ms

SOA

0ms

MTA-STS

39ms

DNSSEC

51ms

SRV

34ms

Total

1334ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 19:04:57	697ms	2 NS 2 A 5 MX	🔒 Secure
2026-10-08 01:28:24	565ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-30 19:30:00	768ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-23 16:43:02	723ms	2 NS 2 A 5 MX	🔒 Secure
2026-09-15 08:43:46	998ms	2 NS 2 A 5 MX	🔒 Secure
2026-08-13 08:11:57	4526ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-29 12:02:01	2361ms	2 NS 2 A 5 MX	🔒 Secure
2026-07-14 16:12:42 shown	1334ms	2 NS 0 A 5 MX	🔒 Secure
2026-07-01 04:56:14	657ms	2 NS 0 A 5 MX	🔒 Secure
2026-06-16 12:39:00	706ms	2 NS 0 A 5 MX	🔒 Secure