df-u.dk

📜 Historical scan 2026-09-11 16:28:50  ·  ← Latest scan
🧟 Lame delegation ⬇ Zone File 📜 Timeline & History ⚡ Scan Now

df-u.dk is a registered .dk domain whose nameservers (clara.ns.cloudflare.com, mark.ns.cloudflare.com) do not answer for it, so it is currently a lame delegation and does not resolve. It was registered on 22 February 2024 (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#

2 records   325ms

🌍 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#

9321ms
CheckResult
Validation Status❓ Unknown (the delegated nameservers don't answer)
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsresolution failed: failure

🏷️ SOA#

✗ No SOA record found

📋 Registration#

WHOIS fetched 2026-10-27 14:10:06
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2024-02-22
Expires2027-02-21 (116d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
325ms
A
328ms
MX
328ms
AAAA
331ms
TXT
1304ms
CAA
329ms
HTTPS
332ms
TLSA
297ms
SOA
316ms
MTA-STS
352ms
DNSSEC
9321ms
SRV
385ms
Total
11184ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-09-25 12:12:20 3689ms 2 NS 0 A 0 MX ❓ Unknown
2026-09-11 16:28:50 shown 11184ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-23 19:43:10 5634ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-22 18:15:52 3569ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-21 17:58:49 8395ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-20 17:53:50 44674ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-19 16:06:25 4390ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-18 16:02:02 7038ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-17 01:48:32 4358ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-15 16:40:32 16914ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-14 10:42:37 16496ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-13 07:12:13 7968ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-09 12:43:52 3457ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-08 05:04:09 16973ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-02 14:51:55 10715ms 2 NS 0 A 0 MX ❓ Unknown
2026-07-31 21:37:35 1124ms 2 NS 0 A 0 MX ❓ Unknown
2026-07-28 21:25:51 12929ms 2 NS 0 A 0 MX ❓ Unknown
2026-07-27 15:03:30 24905ms 2 NS 0 A 0 MX ❓ Unknown
2026-07-26 14:51:47 17678ms 2 NS 0 A 0 MX ❓ Unknown
2026-07-25 14:36:18 10925ms 2 NS 0 A 0 MX ❓ Unknown
2026-07-24 14:18:29 33472ms 2 NS 0 A 0 MX ❓ Unknown
2026-07-23 09:51:54 33334ms 2 NS 0 A 0 MX ❓ Unknown
2026-07-22 05:45:47 41785ms 2 NS 0 A 0 MX ❓ Unknown
2026-07-21 03:06:20 25609ms 2 NS 0 A 0 MX ❓ Unknown
2026-07-19 09:43:08 17669ms 2 NS 0 A 0 MX ❓ Unknown
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