dcum.dk

📜 Historical scan 2026-10-08 00:12:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dcum.dk is a .dk domain served by 4 nameservers (ns01.stil.dk, ns02.stil.dk, ns03.stil.dk and 1 more). It was registered on 8 May 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.231.237.217 is hosted by Styrelsen for it og laering (AS3240) in Denmark. 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#

4 records 30ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.stil.dk	195.231.240.53 2a10:cf80:1000:0:195:231:240:53	ns01.stil.dk ns01.stil.dk	AS3240 Styrelsen for it og laering AS3240 Styrelsen for it og laering
ns02.stil.dk	195.231.128.53 2a10:cf80:2000:0:195:231:128:53	ns02.stil.dk ns02.stil.dk	AS3240 Styrelsen for it og laering AS3240 Styrelsen for it og laering
ns03.stil.dk	195.231.236.53 2a10:cf80:1000:0:195:231:236:53	ns03.stil.dk ns03.stil.dk	AS3240 Styrelsen for it og laering AS3240 Styrelsen for it og laering
ns04.stil.dk	195.231.129.53 2a10:cf80:2000:0:195:231:129:53	ns04.stil.dk ns04.stil.dk	AS3240 Styrelsen for it og laering AS3240 Styrelsen for it og laering

🌍 A Records#

1 records 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.231.237.217	300s	—	AS3240	Styrelsen for it og laering	195.231.224.0/19	🇩🇰 Denmark	—

📧 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 141ms

TXT Record
v=spf1 include:spf1.stil.dk ~all

✉️ SPF#

Policy	Record (dcum.dk)
~all (soft fail)	v=spf1 include:spf1.stil.dk ~all

📨 DMARC#

Policy	Record (_dmarc.dcum.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#

3 records 41ms

Flags	Tag	Value
0	iodef	mailto:netdrift@stil.dk
0	issue	letsencrypt.org; accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/119135076
0	issuewild	letsencrypt.org;validationmethods=dns-01;accounturi=https://acme-v02.api.letsencrypt.org/acme/acct/119135076

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 22:08:46

www	195.231.237.217 (AS3240) (address records, no CNAME)
www vs bare domain	Same network dcum.dk: 195.231.237.217 (AS3240) www.dcum.dk: 195.231.237.217 (AS3240)
Wildcard	No
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 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#

66ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

32ms

Field	Value
Serial	2026100101
Primary NS (MNAME)	ns01.stil.dk
Responsible (RNAME)	netdrift@stil.dk
Refresh	900s
Retry	300s
Expire	3600000s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-17 03:54:44

Field	Value
Registrar	A/S SCANNET
Registered	2002-05-08
Expires	2027-06-30 (255d)

🔗 Same registrant#

93 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
admsys.dk	Punktum dk A/S (direct)
amu-administration.dk	Punktum dk A/S (direct)
amuk.dk	Punktum dk A/S (direct)
amukvalitet.dk	Punktum dk A/S (direct)
amuudbud.dk	Punktum dk A/S (direct)
arbejdsmarkedsuddannelse.dk	A/S SCANNET
arbejdsmarkedsuddannelserne.dk	Punktum dk A/S (direct)
auschwitzdag.dk	A/S SCANNET
boernogundervisningsministeriet.dk	A/S SCANNET
brugforalleunge.dk	A/S SCANNET
buvm.dk	A/S SCANNET
børnogundervisningsministeriet.dk	Punktum dk A/S (direct)
demokratiunderudvikling.dk	A/S SCANNET
digitaliseringsdage.dk	A/S SCANNET
duu.dk	A/S SCANNET
e-vejledningen.dk	Punktum dk A/S (direct)
efteruddannelse.dk	Punktum dk A/S (direct)
eksamensdatabase.dk	Punktum dk A/S (direct)
eksamensdatabasen.dk	Punktum dk A/S (direct)
elevfordeling.dk	Punktum dk A/S (direct)
elevstoette.dk	Punktum dk A/S (direct)
elevstøtte.dk	Punktum dk A/S (direct)
emu.dk	Punktum dk A/S (direct)
emurespons.dk	Punktum dk A/S (direct)
etwinning.dk	Punktum dk A/S (direct)
eud-trivsel.dk	Punktum dk A/S (direct)
euv25.dk	Punktum dk A/S (direct)
eva.dk	Punktum dk A/S (direct)
eval.dk	Punktum dk A/S (direct)
evc.dk	Punktum dk A/S (direct)
evejledningen.dk	Punktum dk A/S (direct)
fgu-trivsel.dk	Punktum dk A/S (direct)
folkeskolensnationalefærdighedstest.dk	Punktum dk A/S (direct)
folkeskolensnationaleovergangstest.dk	Punktum dk A/S (direct)
fordelingssystem.dk	Punktum dk A/S (direct)
gymfag.dk	Punktum dk A/S (direct)
integrationsplatformen.dk	Punktum dk A/S (direct)
juliministeriet.dk	Punktum dk A/S (direct)
kuuportalen.dk	Punktum dk A/S (direct)
laereplads.dk	Punktum dk A/S (direct)
laerepladsen.dk	Punktum dk A/S (direct)
laerestedet.dk	Punktum dk A/S (direct)
laes1.dk	Punktum dk A/S (direct)
lynpulje.dk	Punktum dk A/S (direct)
læreplads.dk	Punktum dk A/S (direct)
lærepladsen.dk	Punktum dk A/S (direct)
materialeplatformen.dk	Punktum dk A/S (direct)
meritbilag.dk	Punktum dk A/S (direct)
minkompetencemappe.dk	Punktum dk A/S (direct)
mitunilogin.dk	Punktum dk A/S (direct)
nationaletest.dk	Punktum dk A/S (direct)
nb-ecec.dk	Punktum dk A/S (direct)
netproeve.dk	Punktum dk A/S (direct)
netproever.dk	Punktum dk A/S (direct)
netprove.dk	Punktum dk A/S (direct)
netprover.dk	Punktum dk A/S (direct)
optagels.dk	Punktum dk A/S (direct)
ordblindetest.dk	Punktum dk A/S (direct)
overgangstest.dk	Punktum dk A/S (direct)
pf-c.dk	Punktum dk A/S (direct)
proeve.dk	Punktum dk A/S (direct)
proevebygger.dk	Punktum dk A/S (direct)
proever.dk	Punktum dk A/S (direct)
prøvebyggeren.dk	Punktum dk A/S (direct)
prøvevagt.dk	Punktum dk A/S (direct)
realserver.dk	Punktum dk A/S (direct)
refud.dk	Punktum dk A/S (direct)
sprogvurdering.dk	Punktum dk A/S (direct)
spvu.dk	Punktum dk A/S (direct)
stil.dk	Punktum dk A/S (direct)
stilad.dk	Punktum dk A/S (direct)
stukuvm.dk	Punktum dk A/S (direct)
testaf.dk	Punktum dk A/S (direct)
testogproever.dk	Punktum dk A/S (direct)
testogprover.dk	Punktum dk A/S (direct)
testogprøve.dk	Punktum dk A/S (direct)
trivselskommissionen.dk	Punktum dk A/S (direct)
udannelseforvoksne.dk	Punktum dk A/S (direct)
uddannelsesadministration.dk	Punktum dk A/S (direct)
uddannelsesaftaler.dk	Punktum dk A/S (direct)
uddannelsesgeiden.dk	Punktum dk A/S (direct)
uddannelsesguiden.dk	Punktum dk A/S (direct)
uddannelsesinvesteringer.dk	Punktum dk A/S (direct)
ug.dk	Punktum dk A/S (direct)
unesco-asp.dk	Punktum dk A/S (direct)
uni-login.dk	Punktum dk A/S (direct)
uvm.dk	Punktum dk A/S (direct)
veu-portalen.dk	Punktum dk A/S (direct)
veuportal.dk	Punktum dk A/S (direct)
vierumr.dk	Punktum dk A/S (direct)
voksenudanelse.dk	Punktum dk A/S (direct)
voksenudannelse.dk	Punktum dk A/S (direct)
voksenuddannelse.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

39ms

31ms

AAAA

41ms

TXT

141ms

CAA

41ms

HTTPS

34ms

TLSA

4028ms

SOA

32ms

MTA-STS

48ms

DNSSEC

66ms

SRV

63ms

Total

4414ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 22:08:46	4352ms	4 NS 1 A 0 MX	🔒 Secure
2026-10-09 00:18:10	16563ms	4 NS 1 A 0 MX	🔒 Secure
2026-10-08 00:12:19 shown	4414ms	4 NS 1 A 0 MX	🔒 Secure
2026-10-01 22:48:34	16980ms	4 NS 1 A 0 MX	🔒 Secure
2026-09-24 21:03:45	16512ms	4 NS 1 A 0 MX	🔒 Secure
2026-09-21 08:16:45	4701ms	4 NS 1 A 0 MX	🔒 Secure
2026-09-14 06:37:16	16609ms	4 NS 1 A 0 MX	🔓 Insecure
2026-09-03 15:07:19	16451ms	4 NS 1 A 0 MX	🔓 Insecure
2026-09-02 11:25:05	4535ms	4 NS 1 A 0 MX	🔓 Insecure
2026-08-28 00:05:58	16448ms	4 NS 1 A 0 MX	🔓 Insecure
2026-08-26 23:12:39	4613ms	4 NS 1 A 0 MX	🔓 Insecure
2026-08-20 08:37:57	17243ms	4 NS 1 A 0 MX	🔓 Insecure
2026-08-13 16:23:19	4739ms	4 NS 1 A 0 MX	🔓 Insecure
2026-08-08 14:07:51	4712ms	4 NS 1 A 0 MX	🔓 Insecure
2026-07-30 03:56:21	6679ms	4 NS 1 A 0 MX	🔓 Insecure
2026-07-23 16:08:23	2352ms	4 NS 1 A 0 MX	🔓 Insecure
2026-07-16 15:49:38	1303ms	4 NS 1 A 0 MX	🔓 Insecure
2026-07-11 02:07:09	4702ms	4 NS 1 A 0 MX	🔓 Insecure
2026-07-03 15:11:30	8682ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-29 14:55:27	5134ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-20 15:07:39	4591ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-19 10:37:24	14416ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 14:20:14	4800ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-17 01:21:21	4592ms	4 NS 1 A 0 MX	🔓 Insecure
2026-06-17 01:20:41	4512ms	4 NS 1 A 0 MX	🔓 Insecure