fessordm.dk

📜 Historical scan 2026-09-11 12:36:13 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fessordm.dk is a .dk domain served by 2 nameservers (cortney.ns.cloudflare.com, eric.ns.cloudflare.com). It was registered on 4 October 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, has no 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 42ms

Nameserver	IP addresses	PTR	ASN / ISP
cortney.ns.cloudflare.com	108.162.192.87 172.64.32.87 173.245.58.87 2606:4700:50::adf5:3a57 2803:f800:50::6ca2:c057 2a06:98c1:50::ac40:2057	cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
eric.ns.cloudflare.com	108.162.193.112 172.64.33.112 173.245.59.112 2606:4700:58::adf5:3b70 2803:f800:50::6ca2:c170 2a06:98c1:50::ac40:2170	eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 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 2026-10-10 18:42:22

www	NXDOMAIN
www vs bare domain	Neither resolves fessordm.dk: no address www.fessordm.dk: no address
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.fessordm.dk	HIIbIUYs-md5s44i5HtvTpxolGyysmCDvreSs7n1zSk
TXT	_acme-challenge.fessordm.dk	QOIvbfjbwB3yRNa31bs6Da6BZFhxUIffpsePc_oWYE0

🔗 TLSA / DANE#

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

🔐 DNSSEC#

124ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2414549836
Primary NS (MNAME)	cortney.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-23 01:57:31

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-10-04
Expires	2027-10-31 (373d)

🔗 Same registrant#

253 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
0klasse.dk	Eurodns S.A
0klassefaget.dk	Eurodns S.A
1094.dk	Punktum dk A/S (direct)
5emner.dk	Punktum dk A/S (direct)
5nyeemner.dk	Punktum dk A/S (direct)
ad-dev.dk	Punktum dk A/S (direct)
ad-prod.dk	Punktum dk A/S (direct)
ad-staging.dk	Punktum dk A/S (direct)
ad-test.dk	Punktum dk A/S (direct)
afgangsprøver.dk	Eurodns S.A
aigo.dk	Punktum dk A/S (direct)
alinea-web.dk	Punktum dk A/S (direct)
alinea.dk	Punktum dk A/S (direct)
alineaakademi.dk	Punktum dk A/S (direct)
alineadigital.dk	Punktum dk A/S (direct)
alvids.dk	Punktum dk A/S (direct)
aschehoug.dk	Punktum dk A/S (direct)
athene.dk	Punktum dk A/S (direct)
bingoweb.dk	Punktum dk A/S (direct)
biologifaget.dk	Eurodns S.A
biologifocus.dk	Punktum dk A/S (direct)
bliv-klog.dk	Punktum dk A/S (direct)
blivklog.dk	Punktum dk A/S (direct)
boegertildrenge.dk	Punktum dk A/S (direct)
bog.dk	Punktum dk A/S (direct)
bogdk.dk	DANDOMAIN A/S
bookguide.dk	Punktum dk A/S (direct)
bornsliv.dk	Punktum dk A/S (direct)
campfransk.dk	Punktum dk A/S (direct)
campmat.dk	Punktum dk A/S (direct)
campstavning.dk	Punktum dk A/S (direct)
camptysk.dk	Punktum dk A/S (direct)
carlsen.dk	Punktum dk A/S (direct)
carlsencomics.dk	Punktum dk A/S (direct)
carlsenpuls.dk	Punktum dk A/S (direct)
chrisanderson.dk	Punktum dk A/S (direct)
classteam.dk	Punktum dk A/S (direct)
clio.dk	Eurodns S.A
cliocloud.dk	Eurodns S.A
clioevalueringsopgaver.dk	Eurodns S.A
clionoc.dk	Eurodns S.A
clioonline.dk	Eurodns S.A
cliopulten.dk	Eurodns S.A
clioskole.dk	Eurodns S.A
clioskyen.dk	Eurodns S.A
cliotræning.dk	Eurodns S.A
dansk-historie.dk	Eurodns S.A
dansk-skolen.dk	Eurodns S.A
danskfessor.dk	Punktum dk A/S (direct)
dansklandskabet.dk	Punktum dk A/S (direct)
danskskole.dk	Eurodns S.A
danskskolen.dk	Eurodns S.A
dansktime.dk	Eurodns S.A
danskunivers.dk	Punktum dk A/S (direct)
denførstelæsning.dk	Punktum dk A/S (direct)
didaktiker.dk	Punktum dk A/S (direct)
differentiering.dk	Punktum dk A/S (direct)
digitalbook.dk	Punktum dk A/S (direct)
digitalfaget.dk	Eurodns S.A
dmiklassematematik.dk	Punktum dk A/S (direct)
dmimatematik.dk	Punktum dk A/S (direct)
dmmatematik.dk	Punktum dk A/S (direct)
dragonball.dk	Punktum dk A/S (direct)
e-bookstore.dk	Punktum dk A/S (direct)
easyreaders.dk	Punktum dk A/S (direct)
edspace.dk	Punktum dk A/S (direct)
edulab.dk	Punktum dk A/S (direct)
elevlab.dk	Punktum dk A/S (direct)
engelskfaget.dk	Eurodns S.A
engelskfessor.dk	Punktum dk A/S (direct)
engelskskoleordbog.dk	Punktum dk A/S (direct)
engelskunivers.dk	Punktum dk A/S (direct)
erdugymnasieklar.dk	Punktum dk A/S (direct)
erdutalblind.dk	Punktum dk A/S (direct)
eskolebog.dk	Punktum dk A/S (direct)
europas-historie.dk	Eurodns S.A
faerdighedsproeven.dk	Punktum dk A/S (direct)
familiefessor.dk	Punktum dk A/S (direct)
fesor.dk	Punktum dk A/S (direct)
fessor.dk	Punktum dk A/S (direct)
fessordyst.dk	Punktum dk A/S (direct)
fessordysten.dk	Punktum dk A/S (direct)
fessorinspiration.dk	Punktum dk A/S (direct)
fessorkurser.dk	Punktum dk A/S (direct)
fessorsaktiviteter.dk	Punktum dk A/S (direct)
fessorsfamilie.dk	Punktum dk A/S (direct)
fessorskurser.dk	Punktum dk A/S (direct)
fessorslounge.dk	Punktum dk A/S (direct)
fessorstalkuffert.dk	Punktum dk A/S (direct)
filmabc.dk	Punktum dk A/S (direct)
fleksbog.dk	Punktum dk A/S (direct)
fleksbogen.dk	Punktum dk A/S (direct)
flexbog.dk	Punktum dk A/S (direct)
fmb.dk	Punktum dk A/S (direct)
foraeldrematematik.dk	Punktum dk A/S (direct)
forfatter.dk	Punktum dk A/S (direct)
forlagetturbo.dk	Punktum dk A/S (direct)
forlagmallingbeck.dk	Punktum dk A/S (direct)
forlagsliv.dk	Punktum dk A/S (direct)
formatmatematik.dk	Punktum dk A/S (direct)

Showing 100 of 253.

📋 WHOIS#

⏱️ Lookup Timing#

42ms

33ms

40ms

AAAA

47ms

TXT

186ms

CAA

36ms

HTTPS

34ms

TLSA

37ms

SOA

0ms

MTA-STS

71ms

DNSSEC

124ms

SRV

60ms

Total

612ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 15:07:58	722ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-21 21:49:50	787ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-14 20:01:32	622ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-11 12:36:13 shown	612ms	2 NS 0 A 0 MX	🔓 Insecure
2026-09-07 06:06:21	1145ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-27 16:03:57	403ms	2 NS 0 A 0 MX	🔓 Insecure
2026-07-27 08:26:33	24766ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-29 04:34:22	742ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-21 13:14:21	369ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-19 17:39:50	2373ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-17 09:19:55	543ms	2 NS 0 A 0 MX	🔓 Insecure