cvt.dk

📜 Historical scan 2026-08-03 23:52:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cvt.dk is a .dk domain served by 2 nameservers (ns.cvt.dk, ns2.cvt.dk). It was registered on 12 March 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 192.38.67.25 is hosted by IDDQD-AS (AS1835) in Denmark. Mail is handled by mail.cvt.dk, mx.cvt.dk. The zone is not DNSSEC-signed, 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 50ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.cvt.dk	192.38.67.2	ns.cvt.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education
ns2.cvt.dk	192.38.67.3	ns2.cvt.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education

🌍 A Records#

1 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
192.38.67.25	3600s	web.cvt.dk	AS1835	IDDQD-AS	192.38.0.0/17	🇩🇰 Denmark	Kongens Lyngby

📧 MX Records#

2 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.cvt.dk	192.38.67.24	rogeth.cvt.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education
100	3600s	mx.cvt.dk	192.38.67.3	ns2.cvt.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 4467ms

TXT Record
v=spf1 mx ~all

✉️ SPF#

Policy	Record (cvt.dk)
~all (soft fail)	v=spf1 mx ~all

📨 DMARC#

Policy	Record (_dmarc.cvt.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:sysop@cvt.dk

📬 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 2026-10-18 02:45:56

www	192.38.67.25 (AS1835) (address records, no CNAME)
www vs bare domain	Same network cvt.dk: 192.38.67.25 (AS1835) www.cvt.dk: 192.38.67.25 (AS1835)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

133ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	1785741011
Primary NS (MNAME)	ns.cvt.dk
Responsible (RNAME)	sysop@cvt.dk
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-12 17:38:37

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2002-03-12
Expires	2027-03-31 (160d)

🔗 Same registrant#

209 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
3g-center.dk	Simply.com A/S
4m-centre.dk	Simply.com A/S
abyss.dk	Simply.com A/S
accuwind.dk	Punktum dk A/S (direct)
alumniplus.dk	Punktum dk A/S (direct)
antibiotikaresistens.dk	Punktum dk A/S (direct)
arches2012.dk	Simply.com A/S
aribah.dk	Punktum dk A/S (direct)
bear-hearing.dk	Simply.com A/S
bigq.dk	Simply.com A/S
bigscience.dk	WEB SOLUTIONS A/S
biobrug.dk	Punktum dk A/S (direct)
biogasupgrade.dk	Punktum dk A/S (direct)
biotechacademy.dk	Punktum dk A/S (direct)
boernenesuniversitet.dk	Simply.com A/S
bonus-optimus.dk	Punktum dk A/S (direct)
borger-cert.dk	Punktum dk A/S (direct)
bridgingthegap.dk	Simply.com A/S
børnenesuniversitet.dk	Punktum dk A/S (direct)
carbospot.dk	Punktum dk A/S (direct)
ceinitiative.dk	Punktum dk A/S (direct)
cemac.dk	Punktum dk A/S (direct)
cert.dk	Punktum dk A/S (direct)
cewqo2017.dk	Simply.com A/S
chemsafe.dk	Punktum dk A/S (direct)
chips-competence-centre.dk	Simply.com A/S
cifq.dk	Punktum dk A/S (direct)
coherent-project.dk	Punktum dk A/S (direct)
computerome.dk	Punktum dk A/S (direct)
covidtest.dk	Punktum dk A/S (direct)
cpcs.dk	Punktum dk A/S (direct)
cph-food.dk	Punktum dk A/S (direct)
cphfuture.dk	Punktum dk A/S (direct)
da-gate.dk	Punktum dk A/S (direct)
danish-universities.dk	PROCOPA IT ApS
danishdays.dk	Punktum dk A/S (direct)
danishuniversities.dk	PROCOPA IT ApS
danske-universiteter.dk	PROCOPA IT ApS
darenet.dk	Punktum dk A/S (direct)
datasikkerhedsbladet.dk	Punktum dk A/S (direct)
dccsm.dk	Punktum dk A/S (direct)
dcf-denmark.dk	Punktum dk A/S (direct)
dcrs.dk	Punktum dk A/S (direct)
deic.dk	Punktum dk A/S (direct)
derisk.dk	Punktum dk A/S (direct)
detrigtigelaboratorium.dk	Punktum dk A/S (direct)
difres.dk	DANDOMAIN A/S
dig-e.dk	Punktum dk A/S (direct)
digitalenergy.dk	Punktum dk A/S (direct)
digitalenergylab.dk	Punktum dk A/S (direct)
dix.dk	Punktum dk A/S (direct)
dk-cert.dk	Punktum dk A/S (direct)
dkcert.dk	Punktum dk A/S (direct)
dnsc.dk	Punktum dk A/S (direct)
dronevideotech.dk	Punktum dk A/S (direct)
dsri.dk	Punktum dk A/S (direct)
dtb.dk	Punktum dk A/S (direct)
dtf.dk	Punktum dk A/S (direct)
dtic.dk	Punktum dk A/S (direct)
dtu-alarm.dk	Simply.com A/S
dtu.dk	Punktum dk A/S (direct)
dtub.dk	Punktum dk A/S (direct)
dtubusiness.dk	Punktum dk A/S (direct)
dtusat.dk	Punktum dk A/S (direct)
dtutest.dk	Punktum dk A/S (direct)
dtv.dk	Punktum dk A/S (direct)
dunet.dk	Danmarks Tekniske Universitet
duraledge.dk	Punktum dk A/S (direct)
e-universitet.dk	Punktum dk A/S (direct)
eduhub.dk	DANDOMAIN A/S
eduroam.dk	Punktum dk A/S (direct)
efsa.dk	Punktum dk A/S (direct)
elchemea.dk	Punktum dk A/S (direct)
energydata.dk	Punktum dk A/S (direct)
energyinnovationhub.dk	Punktum dk A/S (direct)
energylivelab.dk	Punktum dk A/S (direct)
entrepreneurial.dk	Punktum dk A/S (direct)
erc-electrothermo.dk	Punktum dk A/S (direct)
esabic.dk	Punktum dk A/S (direct)
eurocc.dk	Punktum dk A/S (direct)
europæisk-ål.dk	Simply.com A/S
executivemba.dk	Punktum dk A/S (direct)
executivemmt.dk	Punktum dk A/S (direct)
fast-track.dk	Punktum dk A/S (direct)
findit.dk	Punktum dk A/S (direct)
fisker-forsker.dk	DANDOMAIN A/S
flabbergast-bio.dk	Punktum dk A/S (direct)
fleksibelenergi.dk	Punktum dk A/S (direct)
flexibleenergi.dk	Punktum dk A/S (direct)
flexibleenergy.dk	Punktum dk A/S (direct)
formalmethods.dk	Punktum dk A/S (direct)
forskningsfronten.dk	Punktum dk A/S (direct)
forskningsnet-cert.dk	Punktum dk A/S (direct)
forskningsnet.dk	Punktum dk A/S (direct)
forskningsnettet.dk	Punktum dk A/S (direct)
forskningsportalen.dk	Punktum dk A/S (direct)
fsknet.dk	Punktum dk A/S (direct)
fusionsenergi.dk	Punktum dk A/S (direct)
g2v2g.dk	Punktum dk A/S (direct)
galathea3.dk	Punktum dk A/S (direct)

Showing 100 of 209.

📋 WHOIS#

⏱️ Lookup Timing#

50ms

46ms

AAAA

43ms

TXT

4467ms

CAA

39ms

HTTPS

47ms

TLSA

251ms

SOA

0ms

MTA-STS

112ms

DNSSEC

133ms

SRV

219ms

Total

5268ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 02:45:56	1215ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-17 02:44:37	5312ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-15 01:00:25	25464ms	2 NS 1 A 2 MX	🔓 Insecure
2026-10-12 17:15:43	10075ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-27 02:59:22	8734ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-26 02:38:21	24732ms	2 NS 1 A 2 MX	🔓 Insecure
2026-09-25 02:23:16	25824ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-07 10:41:22	16806ms	2 NS 1 A 2 MX	🔓 Insecure
2026-08-03 23:52:26 shown	5268ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-15 01:40:21	8880ms	2 NS 1 A 2 MX	🔓 Insecure
2026-07-03 13:16:42	9054ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-29 02:38:40	4964ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-19 03:05:39	4326ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-16 23:28:37	642ms	2 NS 1 A 2 MX	🔓 Insecure
2026-06-16 23:21:11	797ms	2 NS 1 A 2 MX	🔓 Insecure