3f-koebenhavn.dk

📜 Historical scan 2026-08-21 07:36:16 · ← Latest scan

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

3f-koebenhavn.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 80ms

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#

163ms

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#

80ms

63ms

87ms

AAAA

68ms

TXT

8876ms

CAA

90ms

HTTPS

85ms

TLSA

105ms

SOA

45ms

MTA-STS

139ms

DNSSEC

163ms

SRV

16050ms

Total

17062ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 18:30:41	1929ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-26 21:49:17	10110ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-24 09:29:26	1275ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-23 08:12:06	10324ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-22 07:52:00	2044ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-21 07:36:16 shown	17062ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-20 07:00:56	5939ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-19 06:12:26	4293ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-18 00:52:03	5589ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-16 21:58:19	17145ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-15 20:21:39	9070ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-14 10:15:01	4786ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-13 08:14:08	5350ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-12 00:41:39	17208ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-10 12:40:47	18676ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-09 04:03:03	2445ms	4 NS 0 A 0 MX	❓ Unknown
2026-08-05 22:03:04	2093ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-31 03:52:51	10388ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-29 09:20:09	1703ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-27 10:28:52	1468ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-26 09:45:53	1122ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-25 09:40:47	1697ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-24 09:08:02	2036ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-23 09:01:49	10224ms	4 NS 0 A 0 MX	❓ Unknown
2026-07-22 08:03:00	3270ms	4 NS 0 A 0 MX	❓ Unknown