us4u.dk

📜 Historical scan 2026-07-02 20:24:23 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

us4u.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 8 October 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is of unknown DNSSEC status, 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#

3 records 129ms

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#

234ms

Check	Result
Validation Status	❓ Unknown
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#

129ms

99ms

102ms

AAAA

126ms

TXT

472ms

CAA

111ms

HTTPS

124ms

TLSA

76ms

SOA

112ms

MTA-STS

125ms

DNSSEC

234ms

SRV

128ms

Total

1214ms

🕐 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	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