tcu.dk

📜 Historical scan 2026-07-28 01:14:09  ·  ← Latest scan
🧟 Lame delegation ⬇ Zone File 📜 Timeline & History ⚡ Scan Now

tcu.dk is a registered .dk domain whose nameservers (ns01.one.com, ns02.one.com) do not answer for it, so it is currently a lame delegation and does not resolve. It was registered on 18 April 2001 (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   44ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com 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#

121ms
CheckResult
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
Flagsresolution failed: failure

🏷️ SOA#

✗ No SOA record found

📋 Registration#

WHOIS fetched 2026-10-16 07:28:15
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2001-04-18
Expires2027-06-30 (256d)

🔗 Same registrant#

52 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).

DomainRegistrar
aft.dkAbion AB
akr.dkAbion AB
ape.dkAbion AB
apu.dkAbion AB
aroma.dkAbion AB
asparges.dkAbion AB
bestillinger.dkAbion AB
bladselleri.dkPunktum dk A/S (direct)
btu.dkAbion AB
cateringfirmaer.dkAbion AB
dekopift.dkPunktum dk A/S (direct)
dhj.dkAbion AB
drink.dkAbion AB
dud.dkAbion AB
dur.dkAbion AB
dyl.dkAbion AB
ebu.dkAbion AB
fat.dkAbion AB
fco.dkAbion AB
gartnere.dkAbion AB
gastrovita.dkAbion AB
groent.dkPunktum dk A/S (direct)
havesyre.dkAbion AB
instrumenter.dkPunktum dk A/S (direct)
jri.dkAbion AB
krydderurt.dkAbion AB
krydderurteguiden.dkPunktum dk A/S (direct)
krydderurtemix.dkPunktum dk A/S (direct)
lad.dkAbion AB
lcr.dkAbion AB
limebasilikum.dkAbion AB
lrk.dkAbion AB
lsg.dkAbion AB
løvstikke.dkAbion AB
ncn.dkAbion AB
nielshøgholt.dkPunktum dk A/S (direct)
peberrod.dkPunktum dk A/S (direct)
salat.dkAbion AB
salatharmoni.dkPunktum dk A/S (direct)
sji.dkAbion AB
ugf.dkAbion AB
uhb.dkAbion AB
umc.dkAbion AB
uoc.dkAbion AB
urteportalen.dkPunktum dk A/S (direct)
urteskud.dkPunktum dk A/S (direct)
urteæsker.dkPunktum dk A/S (direct)
vlp.dkAbion AB
worldofcress.dkAbion AB
wum.dkAbion AB
yestotouch.dkPunktum dk A/S (direct)
økopift.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
44ms
A
45ms
MX
42ms
AAAA
68ms
TXT
220ms
CAA
50ms
HTTPS
52ms
TLSA
89ms
SOA
31ms
MTA-STS
121ms
DNSSEC
121ms
SRV
8165ms
Total
8763ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-03 02:18:16 1128ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-09-30 17:16:46 1179ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-09-23 20:37:29 2823ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-08-26 21:06:04 27335ms 2 NS 0 A 0 MX ❓ Unknown
2026-08-26 08:09:51 10047ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-08-24 04:11:28 3501ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-08-22 23:44:21 1584ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-08-21 23:35:49 943ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-08-20 23:22:47 5492ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-08-19 21:49:12 1216ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-08-18 21:34:25 20177ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-08-17 05:23:27 8822ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-08-16 00:21:14 16767ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-08-14 21:58:24 10134ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-08-13 03:20:16 8821ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-08-11 22:23:59 3209ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-08-09 20:33:58 790ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-08-08 02:56:18 993ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-07-29 06:42:53 2835ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-07-28 01:14:09 shown 8763ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-07-27 00:47:34 1369ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-07-26 00:40:48 8665ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-07-25 00:01:19 10110ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-07-23 20:35:47 731ms 2 NS 0 A 0 MX ⚠️ Bogus
2026-07-22 12:04:56 10019ms 2 NS 0 A 0 MX ⚠️ Bogus
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