rtkhub.dk

📜 Historical scan 2026-08-18 03:19:22 · ← Latest scan

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

rtkhub.dk is a registered .dk domain whose nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com) do not answer for it, so it is currently a lame delegation and does not resolve. It was registered on 26 December 2024 (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#

3 records 379ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 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#

600ms

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 2026-10-16 21:25:07

Field	Value
Registrar	Simply.com A/S
Registered	2024-12-26
Expires	2026-12-25 (69d)

🔗 Same registrant#

5 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
agronet.dk	Simply.com A/S
gpsnu.dk	Simply.com A/S
netnic.dk	Simply.com A/S
netnico.dk	Simply.com A/S
powerbackup.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

379ms

449ms

450ms

AAAA

427ms

TXT

1731ms

CAA

418ms

HTTPS

416ms

TLSA

259ms

SOA

213ms

MTA-STS

422ms

DNSSEC

600ms

SRV

483ms

Total

4583ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 20:53:05	1574ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-23 16:24:19	3389ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-22 15:52:53	1294ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-21 15:18:07	10228ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-20 14:59:59	5992ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-19 04:51:00	3184ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-18 03:19:22 shown	4583ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-15 15:22:29	4161ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-14 14:07:17	1369ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-12 04:47:28	3686ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-06 05:11:58	3013ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-28 02:16:40	1292ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-27 01:04:12	1199ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-26 00:50:19	1787ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-25 00:44:26	1508ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-23 23:44:41	10031ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-22 23:13:46	1176ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-21 13:38:10	10056ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-19 23:48:19	1167ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-18 22:28:11	3046ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-17 18:54:52	1236ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-15 03:46:41	1094ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-11 09:52:00	1868ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-10 05:18:25	10158ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-09 03:58:06	9053ms	3 NS 0 A 0 MX	❓ Unknown