dcum.dk

📜 Historical scan 2026-08-13 16:23:19 · ← 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 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#

4 records 52ms

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 35ms

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 154ms

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 36ms

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#

80ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026081301
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#

52ms

35ms

39ms

AAAA

48ms

TXT

154ms

CAA

36ms

HTTPS

38ms

TLSA

4029ms

SOA

0ms

MTA-STS

60ms

DNSSEC

80ms

SRV

58ms

Total

4739ms

🕐 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	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 shown	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