rtkhub.dk

📜 Historical scan 2026-07-06 16:54:39 · ← 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 428ms

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#

533ms

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 (68d)

🔗 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#

428ms

421ms

380ms

AAAA

389ms

TXT

1430ms

CAA

435ms

HTTPS

428ms

TLSA

252ms

SOA

238ms

MTA-STS

406ms

DNSSEC

533ms

SRV

457ms

Total

3497ms

🕐 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	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