mrf.dk

📜 Historical scan 2026-09-22 22:30:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mrf.dk is a .dk domain served by 2 nameservers (ns1.ku.dk, ns2.ku.dk). It was registered on 15 December 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.226.237.49 is hosted by IDDQD-AS (AS1835) in Denmark. 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 31ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.ku.dk	192.38.110.174 2001:878:1070:10::174	ns1.ku.dk ns1.ku.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education
ns2.ku.dk	192.38.110.190 2001:878:1070:11::190	ns2.ku.dk ns2.ku.dk	AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education AS1835 FSKNET-DK Forskningsnettet - Danish network for Research and Education

🌍 A Records#

1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
130.226.237.49	300s	—	AS1835	IDDQD-AS	130.226.0.0/16	🇩🇰 Denmark	Copenhagen

📧 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#

1 records 702ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.mrf.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:upglztho@ag.eu.dmarcadvisor.com; ruf=mailto:upglztho@fr.eu.dmarcadvisor.com; sp=none; fo=1; ri=3600

📬 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 2026-10-15 05:08:29

www CNAME	mrf.dk (all on mrf.dk) → 130.226.237.49 (AS1835)
www vs bare domain	Same network mrf.dk: 130.226.237.49 (AS1835) www.mrf.dk: 130.226.237.49 (AS1835)
Wildcard	No

🔎 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#

115ms

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	2026091701
Primary NS (MNAME)	ns1.ku.dk
Responsible (RNAME)	hostmaster@adm.ku.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-15 05:35:19

Field	Value
Registrar	CURANET A/S
Registered	2020-12-15
Expires	2026-12-31 (70d)

🔗 Same registrant#

185 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
allearter.dk	CURANET A/S
arboretet.dk	Punktum dk A/S (direct)
atmospheric-complexity.dk	Punktum dk A/S (direct)
b10k.dk	CURANET A/S
bb2mm.dk	Punktum dk A/S (direct)
bedebog.dk	CURANET A/S
bigbangnaturfag.dk	Punktum dk A/S (direct)
bioblitz.dk	CURANET A/S
biocompass.dk	CURANET A/S
biofilm.dk	Punktum dk A/S (direct)
biohpc.dk	CURANET A/S
bionet.dk	Punktum dk A/S (direct)
bioskov.dk	Simply.com A/S
birdtracks.dk	Punktum dk A/S (direct)
botanicalgarden.dk	CURANET A/S
botanicalgardencafe.dk	CURANET A/S
botaniskhavecafe.dk	CURANET A/S
brainstem.dk	Punktum dk A/S (direct)
butterflyhouse.dk	CURANET A/S
cafebotanicalgarden.dk	CURANET A/S
cafebotaniskhave.dk	CURANET A/S
caisa.dk	CURANET A/S
camb.dk	Punktum dk A/S (direct)
cebil.dk	CURANET A/S
ceeh.dk	Punktum dk A/S (direct)
celat.dk	CURANET A/S
chaosbook.dk	Punktum dk A/S (direct)
clarin.dk	CURANET A/S
climate-geophysics.dk	Punktum dk A/S (direct)
climgeo.dk	Punktum dk A/S (direct)
cmp.dk	WEB SOLUTIONS A/S
copenhagen-university.dk	CURANET A/S
copenhagencompetition.dk	CURANET A/S
copenhagensciencecity.dk	CURANET A/S
cosmology.dk	Punktum dk A/S (direct)
cphuni.dk	CURANET A/S
danbif.dk	CURANET A/S
danmark-udforsker.dk	CURANET A/S
danmarksstednavne.dk	CURANET A/S
danmarkudforsker.dk	CURANET A/S
danske-naturhistoriske-museer.dk	CURANET A/S
dansknaturhistorie.dk	CURANET A/S
dansknavneleksikon.dk	CURANET A/S
dark-cosmology.dk	Punktum dk A/S (direct)
darkcosmology.dk	Punktum dk A/S (direct)
darkcosmos.dk	Punktum dk A/S (direct)
dcgc.dk	Punktum dk A/S (direct)
describeeverything.dk	CURANET A/S
dinodag.dk	CURANET A/S
dinosaur-familier.dk	CURANET A/S
discovery-center.dk	Punktum dk A/S (direct)
discovery-centre.dk	Punktum dk A/S (direct)
discoverycentre.dk	Punktum dk A/S (direct)
dkvet.dk	CURANET A/S
dnaogliv.dk	CURANET A/S
dnapåforkant.dk	CURANET A/S
dyreetik.dk	CURANET A/S
e-science.dk	Punktum dk A/S (direct)
faos.dk	CURANET A/S
findforåret.dk	CURANET A/S
fiskeatlas.dk	CURANET A/S
forskerdata-tool.dk	Punktum dk A/S (direct)
forskerdata.dk	CURANET A/S
fortidensfingeraftryk.dk	CURANET A/S
fremtidenslandskaber.dk	Punktum dk A/S (direct)
fuglerejsen.dk	Punktum dk A/S (direct)
fylogeni-tool.dk	DANDOMAIN A/S
fylogeni.dk	CURANET A/S
fysikleksikon.dk	Punktum dk A/S (direct)
geological-museum.dk	CURANET A/S
geologicalmuseum.dk	CURANET A/S
geologiensdag.dk	CURANET A/S
geologiensdage.dk	CURANET A/S
geologisk-museum.dk	CURANET A/S
geologiskmuseum.dk	CURANET A/S
glossematics.dk	CURANET A/S
godvækstjord.dk	Punktum dk A/S (direct)
greenlandperspective.dk	CURANET A/S
grid.dk	Punktum dk A/S (direct)
hobedata.dk	CURANET A/S
hvalerihaven.dk	CURANET A/S
ibt.dk	CURANET A/S
icecores.dk	Punktum dk A/S (direct)
icefrontiers.dk	CURANET A/S
icourts.dk	Punktum dk A/S (direct)
imgp.dk	Punktum dk A/S (direct)
insektmobilen.dk	CURANET A/S
isarkiv.dk	Punktum dk A/S (direct)
isogklima.dk	Punktum dk A/S (direct)
jurabog.dk	CURANET A/S
jurahuset.dk	CURANET A/S
kosmologi.dk	Punktum dk A/S (direct)
ku-net.dk	CURANET A/S
ku-shop.dk	CURANET A/S
ku.dk	CURANET A/S
kubulus.dk	CURANET A/S
kulturkurser.dk	Punktum dk A/S (direct)
kumail.dk	CURANET A/S
kunet.dk	CURANET A/S
kutest.dk	CURANET A/S

Showing 100 of 185.

📋 WHOIS#

⏱️ Lookup Timing#

31ms

41ms

36ms

AAAA

35ms

TXT

702ms

CAA

36ms

HTTPS

32ms

TLSA

305ms

SOA

0ms

MTA-STS

115ms

DNSSEC

115ms

SRV

1251ms

Total

4054ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 05:08:29	2704ms	2 NS 1 A 0 MX	🔓 Insecure
2026-10-08 19:50:36	2177ms	2 NS 1 A 0 MX	🔓 Insecure
2026-10-07 19:44:27	1716ms	2 NS 1 A 0 MX	🔓 Insecure
2026-10-01 04:50:13	963ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-25 02:34:15	970ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-22 22:30:04 shown	4054ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-16 11:40:04	3560ms	2 NS 1 A 0 MX	🔓 Insecure
2026-09-08 04:03:42	1884ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-27 13:53:56	1348ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-20 23:28:16	4491ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-14 00:52:50	2068ms	2 NS 1 A 0 MX	🔓 Insecure
2026-08-06 21:49:09	2631ms	2 NS 1 A 0 MX	🔓 Insecure
2026-07-31 00:56:37	2124ms	2 NS 1 A 0 MX	🔓 Insecure
2026-07-23 21:29:48	8527ms	2 NS 1 A 0 MX	🔓 Insecure
2026-07-16 19:18:49	1688ms	2 NS 1 A 0 MX	🔓 Insecure
2026-07-10 21:58:50	2051ms	2 NS 1 A 0 MX	🔓 Insecure
2026-07-03 11:06:19	1033ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-25 13:51:11	967ms	2 NS 1 A 0 MX	🔓 Insecure
2026-06-18 07:54:14	2725ms	2 NS 1 A 0 MX	🔓 Insecure