dtu.dk

📜 Historical scan 2026-06-23 12:23:53  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dtu.dk is a .dk domain with no delegation in this scan. It was registered on 16 March 1998 (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#

🖥️
No NS records found

🌍 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-17 01:17:23
www CNAMEazure.sitecore.dtu.dk (all on dtu.dk)
www vs bare domainSame network
WildcardNo

✍️ DKIM keys#

2 found
SelectorCNAMEKey
selector1 selector1-dtu-dk._domainkey.dtudk.onmicrosoft.com RSA · ~2048 bit
selector2 selector2-dtu-dk._domainkey.dtudk.onmicrosoft.com RSA · ~1024 bit below 2048 bit

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.

🔗 TLSA / DANE#

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

🔐 DNSSEC#

447ms
CheckResult
Validation StatusNot applicable: the domain has no delegation, so there is no zone to validate (stored verdict: ❓ Unknown).
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 2026-10-13 22:01:02
FieldValue
RegistrarPunktum dk A/S (direct)
Registered1998-03-16
Expires2027-03-31 (164d)

🔗 Same registrant#

134 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
3g-center.dkSimply.com A/S
4m-centre.dkSimply.com A/S
abyss.dkSimply.com A/S
accuwind.dkPunktum dk A/S (direct)
alumniplus.dkPunktum dk A/S (direct)
arches2012.dkSimply.com A/S
bigq.dkSimply.com A/S
bigscience.dkWEB SOLUTIONS A/S
biobrug.dkPunktum dk A/S (direct)
biogasupgrade.dkPunktum dk A/S (direct)
bonus-optimus.dkPunktum dk A/S (direct)
borger-cert.dkPunktum dk A/S (direct)
bridgingthegap.dkSimply.com A/S
børnenesuniversitet.dkPunktum dk A/S (direct)
carbospot.dkPunktum dk A/S (direct)
ceinitiative.dkPunktum dk A/S (direct)
cemac.dkPunktum dk A/S (direct)
cert.dkPunktum dk A/S (direct)
cewqo2017.dkSimply.com A/S
chemsafe.dkPunktum dk A/S (direct)
chips-competence-centre.dkSimply.com A/S
computerome.dkPunktum dk A/S (direct)
cpcs.dkPunktum dk A/S (direct)
cphfuture.dkPunktum dk A/S (direct)
cvt.dkPunktum dk A/S (direct)
danish-universities.dkPROCOPA IT ApS
danishdays.dkPunktum dk A/S (direct)
danske-universiteter.dkPROCOPA IT ApS
darenet.dkPunktum dk A/S (direct)
datasikkerhedsbladet.dkPunktum dk A/S (direct)
dcf-denmark.dkPunktum dk A/S (direct)
dcrs.dkPunktum dk A/S (direct)
deic.dkPunktum dk A/S (direct)
derisk.dkPunktum dk A/S (direct)
difres.dkDANDOMAIN A/S
dig-e.dkPunktum dk A/S (direct)
dix.dkPunktum dk A/S (direct)
dk-cert.dkPunktum dk A/S (direct)
dkcert.dkPunktum dk A/S (direct)
dnsc.dkPunktum dk A/S (direct)
dsri.dkPunktum dk A/S (direct)
dtb.dkPunktum dk A/S (direct)
dtu-alarm.dkSimply.com A/S
dtub.dkPunktum dk A/S (direct)
dtubusiness.dkPunktum dk A/S (direct)
dtv.dkPunktum dk A/S (direct)
dunet.dkDanmarks Tekniske Universitet
eduroam.dkPunktum dk A/S (direct)
efsa.dkPunktum dk A/S (direct)
elchemea.dkPunktum dk A/S (direct)
entrepreneurial.dkPunktum dk A/S (direct)
eurocc.dkPunktum dk A/S (direct)
executivemba.dkPunktum dk A/S (direct)
executivemmt.dkPunktum dk A/S (direct)
findit.dkPunktum dk A/S (direct)
fisker-forsker.dkDANDOMAIN A/S
fleksibelenergi.dkPunktum dk A/S (direct)
flexibleenergy.dkPunktum dk A/S (direct)
formalmethods.dkPunktum dk A/S (direct)
forskningsfronten.dkPunktum dk A/S (direct)
forskningsnet-cert.dkPunktum dk A/S (direct)
forskningsnet.dkPunktum dk A/S (direct)
forskningsnettet.dkPunktum dk A/S (direct)
forskningsportalen.dkPunktum dk A/S (direct)
fsknet.dkPunktum dk A/S (direct)
g2v2g.dkPunktum dk A/S (direct)
galathea3.dkPunktum dk A/S (direct)
gluckstad.dkPunktum dk A/S (direct)
havforskning.dkPunktum dk A/S (direct)
hawc2.dkPunktum dk A/S (direct)
hco2020.dkPunktum dk A/S (direct)
hcoersted2020.dkPunktum dk A/S (direct)
healthyoushare.dkPunktum dk A/S (direct)
hydrograv.dkPunktum dk A/S (direct)
i2.dkPunktum dk A/S (direct)
i4i.dkPunktum dk A/S (direct)
icert.dkPunktum dk A/S (direct)
ihk-edu.dkPunktum dk A/S (direct)
incert.dkPunktum dk A/S (direct)
information4innovation.dkPunktum dk A/S (direct)
informationforinnovation.dkPunktum dk A/S (direct)
inka-project.dkPunktum dk A/S (direct)
intcert.dkPunktum dk A/S (direct)
intercert.dkPunktum dk A/S (direct)
it-sik.dkPunktum dk A/S (direct)
it-sikkerhedsbladet.dkPunktum dk A/S (direct)
komdigital.dkPunktum dk A/S (direct)
lira-project.dkPunktum dk A/S (direct)
metajournal.dkPunktum dk A/S (direct)
metajournals.dkPunktum dk A/S (direct)
microbexplore.dkPunktum dk A/S (direct)
microbxplore.dkPunktum dk A/S (direct)
microbxplorer.dkPunktum dk A/S (direct)
nanosystems.dkPunktum dk A/S (direct)
nordicnanolab.dkPunktum dk A/S (direct)
oaindikator.dkPunktum dk A/S (direct)
ocean-decade.dkDANDOMAIN A/S
oceandecade.dkDANDOMAIN A/S
open-entrepreneurship.dkPunktum dk A/S (direct)
openenergydata.dkPunktum dk A/S (direct)

Showing 100 of 134.

📋 WHOIS#

⏱️ Lookup Timing#

NS
195ms
A
165ms
MX
186ms
AAAA
223ms
TXT
498ms
CAA
192ms
HTTPS
179ms
TLSA
17ms
SOA
178ms
MTA-STS
219ms
DNSSEC
447ms
SRV
219ms
Total
1186ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 01:17:23 2057ms 4 NS 1 A 1 MX 🔓 Insecure
2026-10-13 21:41:05 1682ms 4 NS 1 A 1 MX 🔓 Insecure
2026-10-10 18:32:07 3009ms 4 NS 1 A 1 MX 🔓 Insecure
2026-10-06 07:10:17 1426ms 4 NS 1 A 1 MX 🔓 Insecure
2026-10-05 06:38:51 2127ms 4 NS 1 A 1 MX 🔓 Insecure
2026-09-28 05:46:25 2065ms 4 NS 1 A 1 MX 🔓 Insecure
2026-09-23 11:12:44 3007ms 4 NS 1 A 1 MX 🔓 Insecure
2026-09-21 02:44:57 10715ms 4 NS 1 A 1 MX 🔓 Insecure
2026-09-15 00:17:26 3211ms 4 NS 1 A 1 MX 🔓 Insecure
2026-09-12 07:52:07 2238ms 4 NS 1 A 1 MX 🔓 Insecure
2026-09-01 03:25:32 1461ms 4 NS 1 A 1 MX 🔓 Insecure
2026-08-29 10:27:49 3269ms 4 NS 1 A 1 MX 🔓 Insecure
2026-08-27 23:32:45 1571ms 4 NS 1 A 1 MX 🔓 Insecure
2026-08-06 16:29:36 2218ms 4 NS 1 A 1 MX 🔓 Insecure
2026-07-17 08:40:17 2337ms 4 NS 1 A 1 MX 🔓 Insecure
2026-07-14 08:39:43 2016ms 4 NS 1 A 1 MX 🔓 Insecure
2026-07-03 12:57:15 1721ms 4 NS 1 A 1 MX 🔓 Insecure
2026-06-23 19:59:36 3677ms 4 NS 1 A 1 MX 🔓 Insecure
2026-06-23 12:23:53 shown 1186ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-23 06:58:28 1106ms 4 NS 1 A 1 MX 🔓 Insecure
2026-06-19 09:00:43 5831ms 4 NS 1 A 1 MX 🔓 Insecure
2026-06-17 04:55:07 617ms 4 NS 1 A 1 MX 🔓 Insecure
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