us4u.dk

📜 Historical scan 2026-07-27 13:37:35 · ← Latest scan

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

us4u.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 8 October 2023 (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 79ms

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#

124ms

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 06:52:18

Field	Value
Registrar	Simply.com A/S
Registered	2023-10-08
Expires	2026-10-07 (expired)

📋 WHOIS#

⏱️ Lookup Timing#

79ms

72ms

AAAA

62ms

TXT

432ms

CAA

58ms

HTTPS

56ms

TLSA

93ms

SOA

28ms

MTA-STS

192ms

DNSSEC

124ms

SRV

381ms

Total

1137ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 01:14:09	1521ms	3 NS 0 A 0 MX	❓ Unknown
2026-09-27 19:44:19	3074ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-24 03:23:21	5937ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-23 00:43:32	1820ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-22 00:30:47	4590ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-21 00:21:39	7813ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-19 22:53:33	1993ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-18 21:54:46	2566ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-17 19:21:37	10193ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-16 16:23:17	10215ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-15 03:50:17	10359ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-13 14:08:04	1523ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-12 10:05:41	3157ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-11 08:28:57	4824ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-09 23:53:15	1468ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-08 16:27:07	10200ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-07 12:04:11	1497ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-03 21:03:40	3252ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-30 18:00:24	1367ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-27 13:37:35 shown	1137ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-26 13:31:36	1130ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-25 13:01:34	9174ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-24 12:42:23	8989ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-23 09:35:02	1664ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-21 22:19:47	1323ms	3 NS 0 A 0 MX	❓ Unknown