dueb.dk

📜 Historical scan 2026-08-10 23:35:41 · ← Latest scan

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

dueb.dk is a registered .dk domain whose nameservers (ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com) do not answer for it, so it is currently a lame delegation and does not resolve. It 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 1222ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.first-ns.de	213.239.242.238 2a01:4f8:0:a101::a:1	ns1.first-ns.de ns1.first-ns.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
robotns2.second-ns.de	213.133.100.103 2a01:4f8:0:1::5ddc:2	robotns2.second-ns.de robotns2.second-ns.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
robotns3.second-ns.com	193.47.99.3 2001:67c:192c::add:a3	robotns3.second-ns.com robotns3.second-ns.com	AS12337 noris network AG AS12337 noris network AG

🌍 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#

9637ms

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#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

1222ms

1268ms

1384ms

AAAA

1065ms

TXT

3714ms

CAA

1503ms

HTTPS

1428ms

TLSA

576ms

SOA

1190ms

MTA-STS

1317ms

DNSSEC

9637ms

SRV

1487ms

Total

12731ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 00:26:16	6441ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-28 06:43:04	6950ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-23 18:04:25	11115ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-22 16:00:42	7406ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-21 15:57:03	3250ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-20 15:41:59	2581ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-19 14:25:11	12739ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-18 14:22:38	7004ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-17 03:42:55	9138ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-15 15:15:52	4189ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-13 15:19:25	6772ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-12 06:27:04	8269ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-10 23:35:41 shown	12731ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-09 06:18:55	12592ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-07 01:13:53	5269ms	3 NS 0 A 0 MX	❓ Unknown
2026-08-03 07:53:49	6442ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-27 05:59:02	12624ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-26 05:30:38	6342ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-25 05:07:14	20182ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-24 04:38:08	2339ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-23 01:46:08	3301ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-21 05:37:59	10965ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-20 04:17:04	9548ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-19 00:27:34	10330ms	3 NS 0 A 0 MX	❓ Unknown
2026-07-18 00:03:06	6479ms	3 NS 0 A 0 MX	❓ Unknown