t-um.dk

📜 Historical scan 2026-10-05 12:23:31  ·  ← 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 mail2.um.dk, mail.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   104ms
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   166ms
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   100ms
PriorityTTLMail ServerIP addressesPTRASN
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.
10 3600s mail.um.dk 91.198.204.122 mail.um.dk AS58282 Statens IT

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records   516ms
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#

339ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

138ms
FieldValue
Serial353
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#

1,715 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 1,715.

📋 WHOIS#

⏱️ Lookup Timing#

NS
104ms
A
166ms
MX
100ms
AAAA
109ms
TXT
516ms
CAA
88ms
HTTPS
150ms
TLSA
252ms
SOA
138ms
MTA-STS
223ms
DNSSEC
339ms
SRV
262ms
Total
2321ms

🕐 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 shown 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 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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