t-um.dk

📜 Historical scan 2026-10-03 11:58:26  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

t-um.dk is a .dk domain served by 2 nameservers (ns6.sitnet.dk, ns7.sitnet.dk). It was registered on 24 April 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.153.154.38 is hosted by Statens IT (AS58282) in Denmark. Mail is handled by mail.um.dk, mail2.um.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   77ms
NameserverIP addressesPTRASN / 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   70ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.153.154.38 3600s datalogger-test.bygstenergi.dk
datalogger.bygstenergi.dk
datalogger.xkn.dk
demensprisen.dk
klagonline.forbrug.dk
mitfiskeri.dk
parked.sitnet.dk		 AS58282 Statens IT 185.153.152.0/22 🇩🇰 Denmark Copenhagen

📧 MX Records#

2 records   91ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.um.dk 91.198.204.122 mail.um.dk AS58282 Statens IT
10 3600s mail2.um.dk 104.18.22.161
104.18.23.161
2606:4700::6812:16a1
2606:4700::6812:17a1		 —
—
—
—		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   593ms
TXT Record
v=spf1 -all

✉️ SPF#

PolicyRecord (t-um.dk)
-all (hard fail) v=spf1 -all

📨 DMARC#

PolicyRecord (_dmarc.t-um.dk)
p=reject v=DMARC1; p=reject; sp=reject; 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 2026-10-16 03:23:31
www CNAMEt-um.dk (all on t-um.dk)
www vs bare domainSame network
t-um.dk: 185.153.154.38 (AS58282)
www.t-um.dk: 185.153.154.38 (AS58282)
WildcardNo
Denial of existenceNSEC3 · 10 iterations · 10-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

6 found
SelectorCNAMEKey
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#

107ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

73ms
FieldValue
Serial349
Primary NS (MNAME)ns6.sitnet.dk
Responsible (RNAME)hostmaster@statens-it.dk
Refresh900s
Retry3600s
Expire2419200s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-13 23:35:32
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2006-04-24
Expires2027-04-30 (195d)

🔗 Same registrant#

1,731 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
1001fortaellinger.dkPunktum dk A/S (direct)
1001fortællinger.dkPunktum dk A/S (direct)
1001stories.dkPunktum dk A/S (direct)
1001tales.dkPunktum dk A/S (direct)
1fm.dkPunktum dk A/S (direct)
2025denmark.dkPunktum dk A/S (direct)
2025eu.dkPunktum dk A/S (direct)
25fantastiske.dkPunktum dk A/S (direct)
33980000.dkPunktum dk A/S (direct)
3gf.dkPunktum dk A/S (direct)
aabenhedsordning.dkPunktum dk A/S (direct)
aaop.dkPunktum dk A/S (direct)
aapost.dkPunktum dk A/S (direct)
academycouncil.dkPunktum dk A/S (direct)
addom.dkPunktum dk A/S (direct)
adfaerdsprincipper.dkPunktum dk A/S (direct)
adfærdsprincipper.dkPunktum dk A/S (direct)
adgangforalle.dkPunktum dk A/S (direct)
adressebrug.dkPunktum dk A/S (direct)
adresseret.dkPunktum dk A/S (direct)
adressetip.dkPunktum dk A/S (direct)
aeldre.dkPunktum dk A/S (direct)
aeldreform.dkPunktum dk A/S (direct)
aeldreministeriet.dkPunktum dk A/S (direct)
aeldrereform.dkPunktum dk A/S (direct)
aeldrereformen.dkPunktum dk A/S (direct)
affaldssorteringnytter.dkPunktum dk A/S (direct)
aflk.dkStatens It
ai-test.dkPunktum dk A/S (direct)
airpassenger.dkPunktum dk A/S (direct)
akademiraadet.dkPunktum dk A/S (direct)
alderstjek.dkPunktum dk A/S (direct)
aldersverifikation.dkPunktum dk A/S (direct)
aldertjek.dkPunktum dk A/S (direct)
alt-id.dkPunktum dk A/S (direct)
altid.dkStatens It
altomforbrug.dkPunktum dk A/S (direct)
altomkaeledyr.dkPunktum dk A/S (direct)
altomkæledyr.dkPunktum dk A/S (direct)
ambassade.dkPunktum dk A/S (direct)
ambassadeoversigt.dkPunktum dk A/S (direct)
amff.dkPunktum dk A/S (direct)
ami.dkPunktum dk A/S (direct)
amid.dkPunktum dk A/S (direct)
amkom.dkPunktum dk A/S (direct)
amr.dkPunktum dk A/S (direct)
anke-energi.dkPunktum dk A/S (direct)
anklagemyndighedenupdate.dkPunktum dk A/S (direct)
anklagerupdate.dkPunktum dk A/S (direct)
anskaffelsesguiden.dkPunktum dk A/S (direct)
antennedatabase.dkPunktum dk A/S (direct)
antennedatabasen.dkPunktum dk A/S (direct)
antennerne-ude.dkPunktum dk A/S (direct)
antennerneude.dkPunktum dk A/S (direct)
appollon.dkPunktum dk A/S (direct)
arbejdsmarkedsbalancen.dkPunktum dk A/S (direct)
arbejdsmarkedskommissionen.dkPunktum dk A/S (direct)
arbejdsmiljo.dkPunktum dk A/S (direct)
arbejdsmiljoeprisen.dkPunktum dk A/S (direct)
arbejdsmiljoviden.dkPunktum dk A/S (direct)
arbejdsretten.dkPunktum dk A/S (direct)
arbejdstilsynet.dkPunktum dk A/S (direct)
artikelimportborger.dkPunktum dk A/S (direct)
artisticresearch.dkPunktum dk A/S (direct)
artportalen.dkPunktum dk A/S (direct)
arts-portal.dkPunktum dk A/S (direct)
artsdata.dkPunktum dk A/S (direct)
at-cloud.dkPunktum dk A/S (direct)
at-kørebog.dkPunktum dk A/S (direct)
atbm-cloud.dkPunktum dk A/S (direct)
atkoerebog.dkPunktum dk A/S (direct)
atkorebog.dkPunktum dk A/S (direct)
atkørebog.dkPunktum dk A/S (direct)
atp-anke.dkPunktum dk A/S (direct)
autorisationsregister.dkPunktum dk A/S (direct)
autorisationsregisteret.dkPunktum dk A/S (direct)
autorisationsregistret.dkPunktum dk A/S (direct)
autreg.dkPunktum dk A/S (direct)
b0rger.dkPunktum dk A/S (direct)
babykemi.dkPunktum dk A/S (direct)
baeb.dkPunktum dk A/S (direct)
baebm.dkPunktum dk A/S (direct)
bedreinnovation.dkPunktum dk A/S (direct)
bedst-paa-nettet.dkPunktum dk A/S (direct)
bedstpaanettet.dkPunktum dk A/S (direct)
bedstpånettet.dkPunktum dk A/S (direct)
beredskabsministeriet.dkPunktum dk A/S (direct)
beredskabsuge.dkPunktum dk A/S (direct)
beredskabsugen.dkPunktum dk A/S (direct)
beskyttedenaturtyper.dkPunktum dk A/S (direct)
bestillingsapplikation.dkPunktum dk A/S (direct)
bibliotekernesprojektbank.dkPunktum dk A/S (direct)
bibliotekogmedier.dkPunktum dk A/S (direct)
biblioteksstyrelsen.dkPunktum dk A/S (direct)
bilsynsrapport.dkPunktum dk A/S (direct)
bilsynsrapporter.dkPunktum dk A/S (direct)
bilviden.dkPunktum dk A/S (direct)
biocides.dkPunktum dk A/S (direct)
biocidinfo.dkPunktum dk A/S (direct)
biocidinformation.dkPunktum dk A/S (direct)

Showing 100 of 1,731.

📋 WHOIS#

⏱️ Lookup Timing#

NS
77ms
A
70ms
MX
91ms
AAAA
81ms
TXT
593ms
CAA
78ms
HTTPS
78ms
TLSA
188ms
SOA
73ms
MTA-STS
145ms
DNSSEC
107ms
SRV
227ms
Total
3202ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 03:23:31 4063ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-14 23:55:02 5141ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-13 23:10:14 9730ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-12 22:41:30 17429ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-11 21:10:37 18110ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-10 19:42:19 5200ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-09 17:52:34 18412ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-08 17:29:04 2149ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-07 17:19:23 17770ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-06 17:12:45 17794ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-05 12:23:31 2321ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-04 12:00:16 5228ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-03 11:58:26 shown 3202ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-02 11:57:19 1132ms 2 NS 1 A 2 MX 🔒 Secure
2026-10-01 11:45:48 1495ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-30 11:42:28 18375ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-29 11:40:47 17541ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-28 11:34:12 1249ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-27 11:19:32 9401ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-26 11:03:58 1489ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-25 10:58:28 1366ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-24 10:50:09 17428ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-23 10:45:36 17369ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-21 02:22:05 1709ms 2 NS 1 A 2 MX 🔒 Secure
2026-09-17 09:30:02 10338ms 2 NS 1 A 2 MX 🔒 Secure
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