build-colab.dk

📜 Historical scan 2026-07-10 05:48:43 · ← Latest scan

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

build-colab.dk is a registered .dk domain whose nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more) 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#

4 records 534ms

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
ns4.simply.com	91.197.248.80	ns4.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#

641ms

Check	Result
Validation Status	⚠️ Bogus — the parent still publishes a DS record, but the delegated nameservers don't answer, so no signed answer can be fetched. The zone isn't serving broken signatures; it isn't serving at all.
AD Flag (resolver validates)	✗ Not set
DS Record	✓ 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#

534ms

540ms

541ms

AAAA

536ms

TXT

2239ms

CAA

545ms

HTTPS

549ms

TLSA

380ms

SOA

158ms

MTA-STS

569ms

DNSSEC

641ms

SRV

579ms

Total

4212ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 21:48:07	1538ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-09-28 02:18:31	3105ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-08-24 03:56:53	1677ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-08-22 13:05:04	5578ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-08-21 12:43:15	10347ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-08-20 12:13:30	6808ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-08-19 10:05:25	6360ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-08-18 10:02:29	1839ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-08-17 08:09:52	3460ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-08-14 17:58:12	1986ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-08-13 09:07:09	2162ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-08-11 16:24:27	1869ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-08-10 11:46:42	1501ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-08-08 18:23:17	9391ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-08-03 04:53:40	9536ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-07-31 12:57:29	9133ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-07-27 21:08:54	16978ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-07-26 20:41:25	1475ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-07-25 20:27:20	3926ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-07-24 20:21:54	1457ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-07-23 18:45:30	10258ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-07-22 18:06:23	9454ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-07-21 11:05:18	3077ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-07-20 08:29:06	3388ms	4 NS 0 A 0 MX	⚠️ Bogus
2026-07-18 19:38:30	1503ms	4 NS 0 A 0 MX	⚠️ Bogus