thm-online.dk

📜 Historical scan 2026-10-15 09:10:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

thm-online.dk is a .dk domain served by 2 nameservers (ns6.sitnet.dk, ns7.sitnet.dk). It was registered on 23 November 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.72.21.206 is hosted by Cibicom A/S (AS3342) in Denmark. Mail is handled by mx01.dandomain.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 89ms

Nameserver	IP addresses	PTR	ASN / ISP
ns6.sitnet.dk	107.162.234.197 2604:e180:1071::3:1	— —	AS55002 F5, Inc. AS55002 F5, Inc.
ns7.sitnet.dk	107.162.176.221 2604:e180:1071::ffff:6ba2:b0dd	— —	AS55002 F5, Inc. AS55002 F5, Inc.

🌍 A Records#

1 records 208ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.72.21.206	3600s	www.natmus.dk	AS3342	Cibicom A/S	178.72.16.0/21	🇩🇰 Denmark	—

📧 MX Records#

1 records 73ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mx01.dandomain.dk	212.237.249.50	mx1.dandomain.dk	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 669ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (thm-online.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.thm-online.dk)
p=none (monitor only)	v=DMARC1; p=none; sp=none; rua=mailto:tcod1eh2@ag.eu.dmarcadvisor.com;

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-22 13:08:41

www CNAME	www.natmus.dk (all on natmus.dk) → 178.72.21.206 (AS3342)
www vs bare domain	Same network thm-online.dk: 178.72.21.206 (AS3342) www.thm-online.dk: 178.72.21.206 (AS3342)
Wildcard	No
Denial of existence	NSEC3 · 10 iterations · 2-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

6 found

Selector	CNAME	Key
default	—	Revoked (empty key)
dkim	—	Revoked (empty key)
k1	—	Revoked (empty key)
mail	—	Revoked (empty key)
s1	—	Revoked (empty key)
s2	—	Revoked (empty key)

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

233ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

95ms

Field	Value
Serial	4620
Primary NS (MNAME)	ns6.sitnet.dk
Responsible (RNAME)	hostmaster@statens-it.dk
Refresh	10800s
Retry	1080s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-14 06:45:51

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2005-11-23
Expires	2027-11-30 (403d)

🔗 Same registrant#

112 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).

Domain	Registrar
arsenalmuseum.dk	Punktum dk A/S (direct)
bernstorffslotshave.dk	Punktum dk A/S (direct)
bernstorffsparken.dk	Punktum dk A/S (direct)
bevaringsafdelingen.dk	Punktum dk A/S (direct)
bornenesmuseum.dk	Punktum dk A/S (direct)
bredevaerk.dk	Punktum dk A/S (direct)
c4bryghus.dk	Punktum dk A/S (direct)
castle-island.dk	Punktum dk A/S (direct)
castleisland.dk	Punktum dk A/S (direct)
castlesandculture.dk	Punktum dk A/S (direct)
cultureandcastles.dk	Punktum dk A/S (direct)
cultureandpalaces.dk	Punktum dk A/S (direct)
danisharsenalmuseum.dk	Punktum dk A/S (direct)
danishwarmuseum.dk	Punktum dk A/S (direct)
danmarkskirker.dk	Punktum dk A/S (direct)
danskeringborge.dk	Punktum dk A/S (direct)
danskforsvarsmuseum.dk	Punktum dk A/S (direct)
denfjernekrig.dk	Punktum dk A/S (direct)
dfvm.dk	Punktum dk A/S (direct)
flyvestation.dk	Punktum dk A/S (direct)
flyvestationen.dk	Punktum dk A/S (direct)
forsvarsmuseet.dk	Punktum dk A/S (direct)
fremtidensmuseum.dk	Punktum dk A/S (direct)
fremtidsmuseet.dk	Punktum dk A/S (direct)
fremtidsmuseum.dk	Punktum dk A/S (direct)
frihedskaemper.dk	Punktum dk A/S (direct)
frihedskæmper.dk	Punktum dk A/S (direct)
frihedsmuseet.dk	Punktum dk A/S (direct)
frilandsmuseet.dk	Punktum dk A/S (direct)
froeslevlejrensmuseum.dk	Punktum dk A/S (direct)
frøslevlejrensmuseum.dk	Punktum dk A/S (direct)
gate2jelling.dk	Punktum dk A/S (direct)
graasten-slot.dk	Punktum dk A/S (direct)
graasten-slotshave.dk	Punktum dk A/S (direct)
graastenslotshave.dk	Punktum dk A/S (direct)
graastenslotspark.dk	Punktum dk A/S (direct)
guderoggrave.dk	Punktum dk A/S (direct)
haandvaerkifolkeskolen.dk	Punktum dk A/S (direct)
hangar46.dk	Punktum dk A/S (direct)
haraldblåtandsvikingeborge.dk	Punktum dk A/S (direct)
historieromdanmark.dk	Punktum dk A/S (direct)
hvordetfra.dk	Punktum dk A/S (direct)
hvorerdetfra.dk	Punktum dk A/S (direct)
intercult.dk	Punktum dk A/S (direct)
julpaakronborg.dk	Punktum dk A/S (direct)
klunkehjem.dk	Punktum dk A/S (direct)
klunkehjemmet.dk	Punktum dk A/S (direct)
komgaardmuseum.dk	Punktum dk A/S (direct)
komgard.dk	Punktum dk A/S (direct)
komgardmuseum.dk	Punktum dk A/S (direct)
kommandoergaard.dk	Punktum dk A/S (direct)
kongernesjelling.dk	Punktum dk A/S (direct)
kongerneslapidarium.dk	Punktum dk A/S (direct)
konservering-restaurering.dk	Punktum dk A/S (direct)
krigsmuseet.dk	Punktum dk A/S (direct)
krigsmuseum.dk	Punktum dk A/S (direct)
kronborg.dk	Punktum dk A/S (direct)
kronborgb2b.dk	Punktum dk A/S (direct)
kronborgslot.dk	Punktum dk A/S (direct)
lapidariet.dk	Punktum dk A/S (direct)
liselundmon.dk	Punktum dk A/S (direct)
liselundmøn.dk	Punktum dk A/S (direct)
madebyvikinks.dk	Punktum dk A/S (direct)
museum-shop.dk	Punktum dk A/S (direct)
museumkommandoergaarden.dk	Punktum dk A/S (direct)
museumsbutikken.dk	Punktum dk A/S (direct)
museumsklubben.dk	Punktum dk A/S (direct)
musikmuseet.dk	Punktum dk A/S (direct)
nationalmuseet.dk	Punktum dk A/S (direct)
nationalmuseum.dk	Punktum dk A/S (direct)
natmus.dk	Punktum dk A/S (direct)
nytfrihedsmuseum.dk	Punktum dk A/S (direct)
openairmuseum.dk	Punktum dk A/S (direct)
oplevslotsholmen.dk	Punktum dk A/S (direct)
organs.dk	Punktum dk A/S (direct)
orlogsmuseet.dk	Punktum dk A/S (direct)
renæssance.dk	Punktum dk A/S (direct)
restaurant-skipperhuset.dk	Punktum dk A/S (direct)
restaurering-konservering.dk	Punktum dk A/S (direct)
sfhm.dk	Punktum dk A/S (direct)
sila.dk	Punktum dk A/S (direct)
skandinavienringborge.dk	Punktum dk A/S (direct)
skandinaviskevikingeborge.dk	Punktum dk A/S (direct)
skibepaaholmen.dk	Punktum dk A/S (direct)
slotshaver.dk	Punktum dk A/S (direct)
slotshaverb2b.dk	Punktum dk A/S (direct)
slotsholmsalliancen.dk	Punktum dk A/S (direct)
slotteoghaver.dk	Punktum dk A/S (direct)
slotteogkulturejendomme.dk	Punktum dk A/S (direct)
soldatenibaghaven.dk	Punktum dk A/S (direct)
sorgenfrislot.dk	Punktum dk A/S (direct)
sorgenfrislotshave.dk	Punktum dk A/S (direct)
stateantiquary.dk	Punktum dk A/S (direct)
statenskulturejendomme.dk	Punktum dk A/S (direct)
stenalder.dk	Punktum dk A/S (direct)
thm.dk	Punktum dk A/S (direct)
toejhusmuseet.dk	Punktum dk A/S (direct)
tojhusmuseet.dk	Punktum dk A/S (direct)
trelleborg-museet.dk	Punktum dk A/S (direct)
trelleborgvikingfortress.dk	Punktum dk A/S (direct)

Showing 100 of 112.

📋 WHOIS#

⏱️ Lookup Timing#

89ms

208ms

73ms

AAAA

80ms

TXT

669ms

CAA

80ms

HTTPS

79ms

TLSA

186ms

SOA

95ms

MTA-STS

152ms

DNSSEC

233ms

SRV

359ms

Total

9368ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 13:08:41	3034ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-20 21:02:00	10062ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-19 14:46:55	1211ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-18 13:26:26	1368ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-17 12:06:44	10471ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-16 11:12:34	1183ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-15 09:10:37 shown	9368ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-14 06:30:04	11318ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-13 05:16:47	1096ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-12 05:05:29	1279ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-11 02:45:55	1089ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-09 22:44:55	3229ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-08 19:24:18	1509ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-07 19:21:34	17755ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-06 19:17:56	5210ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-05 16:47:52	17585ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-04 16:42:44	9596ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 16:35:55	5170ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-02 16:34:24	17490ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-01 16:28:17	11111ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 16:23:46	3267ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 23:35:10	17503ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-28 23:16:27	17549ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 22:50:32	17408ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-26 22:23:36	11832ms	2 NS 1 A 1 MX	🔒 Secure