cerber.dk

📜 Historical scan 2026-10-01 13:35:51  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cerber.dk is a .dk domain served by 2 nameservers (ns6.sitnet.dk, ns7.sitnet.dk). It was registered on 13 August 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.153.154.38 is hosted by Statens IT (AS58282) 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#

2 records   209ms
NameserverIP addressesPTRASN / ISP
ns6.sitnet.dk 107.162.234.197
2604:e180:1071::3:1		 —
—		 AS55002 F5, Inc.
AS55002 F5, Inc.
ns7.sitnet.dk 107.162.176.221
2604:e180:1071::ffff:6ba2:b0dd		 —
—		 AS55002 F5, Inc.
AS55002 F5, Inc.

🌍 A Records#

1 records   72ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.153.154.38 3600s datalogger-test.bygstenergi.dk
datalogger.bygstenergi.dk
datalogger.xkn.dk
demensprisen.dk
klagonline.forbrug.dk
mitfiskeri.dk
parked.sitnet.dk		 AS58282 Statens IT 185.153.152.0/22 🇩🇰 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   586ms
TXT Record
v=spf1 -all

✉️ SPF#

PolicyRecord (cerber.dk)
-all (hard fail) v=spf1 -all

📨 DMARC#

PolicyRecord (_dmarc.cerber.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#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 07:11:08
www CNAMEcerber.dk (all on cerber.dk)
www vs bare domainSame network
cerber.dk: 185.153.154.38 (AS58282)
www.cerber.dk: 185.153.154.38 (AS58282)
WildcardNo
Denial of existenceNSEC3 · 10 iterations · 10-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 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#

296ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

213ms
FieldValue
Serial1048
Primary NS (MNAME)sit-dhcp001.prod.sitad.dk
Responsible (RNAME)hostmaster@statens-it.dk
Refresh900s
Retry90s
Expire2419200s
Minimum (neg-cache TTL)300s

📋 Registration#

WHOIS fetched 2026-10-15 00:54:18
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2025-08-13
Expires2030-08-12 (1395d)

🔗 Same registrant#

1,731 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).

DomainRegistrar
1001fortaellinger.dkPunktum dk A/S (direct)
1001fortællinger.dkPunktum dk A/S (direct)
1001stories.dkPunktum dk A/S (direct)
1001tales.dkPunktum dk A/S (direct)
1fm.dkPunktum dk A/S (direct)
2025denmark.dkPunktum dk A/S (direct)
2025eu.dkPunktum dk A/S (direct)
25fantastiske.dkPunktum dk A/S (direct)
33980000.dkPunktum dk A/S (direct)
3gf.dkPunktum dk A/S (direct)
aabenhedsordning.dkPunktum dk A/S (direct)
aaop.dkPunktum dk A/S (direct)
aapost.dkPunktum dk A/S (direct)
academycouncil.dkPunktum dk A/S (direct)
addom.dkPunktum dk A/S (direct)
adfaerdsprincipper.dkPunktum dk A/S (direct)
adfærdsprincipper.dkPunktum dk A/S (direct)
adgangforalle.dkPunktum dk A/S (direct)
adressebrug.dkPunktum dk A/S (direct)
adresseret.dkPunktum dk A/S (direct)
adressetip.dkPunktum dk A/S (direct)
aeldre.dkPunktum dk A/S (direct)
aeldreform.dkPunktum dk A/S (direct)
aeldreministeriet.dkPunktum dk A/S (direct)
aeldrereform.dkPunktum dk A/S (direct)
aeldrereformen.dkPunktum dk A/S (direct)
affaldssorteringnytter.dkPunktum dk A/S (direct)
aflk.dkStatens It
ai-test.dkPunktum dk A/S (direct)
airpassenger.dkPunktum dk A/S (direct)
akademiraadet.dkPunktum dk A/S (direct)
alderstjek.dkPunktum dk A/S (direct)
aldersverifikation.dkPunktum dk A/S (direct)
aldertjek.dkPunktum dk A/S (direct)
alt-id.dkPunktum dk A/S (direct)
altid.dkStatens It
altomforbrug.dkPunktum dk A/S (direct)
altomkaeledyr.dkPunktum dk A/S (direct)
altomkæledyr.dkPunktum dk A/S (direct)
ambassade.dkPunktum dk A/S (direct)
ambassadeoversigt.dkPunktum dk A/S (direct)
amff.dkPunktum dk A/S (direct)
ami.dkPunktum dk A/S (direct)
amid.dkPunktum dk A/S (direct)
amkom.dkPunktum dk A/S (direct)
amr.dkPunktum dk A/S (direct)
anke-energi.dkPunktum dk A/S (direct)
anklagemyndighedenupdate.dkPunktum dk A/S (direct)
anklagerupdate.dkPunktum dk A/S (direct)
anskaffelsesguiden.dkPunktum dk A/S (direct)
antennedatabase.dkPunktum dk A/S (direct)
antennedatabasen.dkPunktum dk A/S (direct)
antennerne-ude.dkPunktum dk A/S (direct)
antennerneude.dkPunktum dk A/S (direct)
appollon.dkPunktum dk A/S (direct)
arbejdsmarkedsbalancen.dkPunktum dk A/S (direct)
arbejdsmarkedskommissionen.dkPunktum dk A/S (direct)
arbejdsmiljo.dkPunktum dk A/S (direct)
arbejdsmiljoeprisen.dkPunktum dk A/S (direct)
arbejdsmiljoviden.dkPunktum dk A/S (direct)
arbejdsretten.dkPunktum dk A/S (direct)
arbejdstilsynet.dkPunktum dk A/S (direct)
artikelimportborger.dkPunktum dk A/S (direct)
artisticresearch.dkPunktum dk A/S (direct)
artportalen.dkPunktum dk A/S (direct)
arts-portal.dkPunktum dk A/S (direct)
artsdata.dkPunktum dk A/S (direct)
at-cloud.dkPunktum dk A/S (direct)
at-kørebog.dkPunktum dk A/S (direct)
atbm-cloud.dkPunktum dk A/S (direct)
atkoerebog.dkPunktum dk A/S (direct)
atkorebog.dkPunktum dk A/S (direct)
atkørebog.dkPunktum dk A/S (direct)
atp-anke.dkPunktum dk A/S (direct)
autorisationsregister.dkPunktum dk A/S (direct)
autorisationsregisteret.dkPunktum dk A/S (direct)
autorisationsregistret.dkPunktum dk A/S (direct)
autreg.dkPunktum dk A/S (direct)
b0rger.dkPunktum dk A/S (direct)
babykemi.dkPunktum dk A/S (direct)
baeb.dkPunktum dk A/S (direct)
baebm.dkPunktum dk A/S (direct)
bedreinnovation.dkPunktum dk A/S (direct)
bedst-paa-nettet.dkPunktum dk A/S (direct)
bedstpaanettet.dkPunktum dk A/S (direct)
bedstpånettet.dkPunktum dk A/S (direct)
beredskabsministeriet.dkPunktum dk A/S (direct)
beredskabsuge.dkPunktum dk A/S (direct)
beredskabsugen.dkPunktum dk A/S (direct)
beskyttedenaturtyper.dkPunktum dk A/S (direct)
bestillingsapplikation.dkPunktum dk A/S (direct)
bibliotekernesprojektbank.dkPunktum dk A/S (direct)
bibliotekogmedier.dkPunktum dk A/S (direct)
biblioteksstyrelsen.dkPunktum dk A/S (direct)
bilsynsrapport.dkPunktum dk A/S (direct)
bilsynsrapporter.dkPunktum dk A/S (direct)
bilviden.dkPunktum dk A/S (direct)
biocides.dkPunktum dk A/S (direct)
biocidinfo.dkPunktum dk A/S (direct)
biocidinformation.dkPunktum dk A/S (direct)

Showing 100 of 1,731.

📋 WHOIS#

⏱️ Lookup Timing#

NS
209ms
A
72ms
MX
85ms
AAAA
213ms
TXT
586ms
CAA
215ms
HTTPS
211ms
TLSA
206ms
SOA
213ms
MTA-STS
278ms
DNSSEC
296ms
SRV
1119ms
Total
9972ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-16 07:11:08 1225ms 2 NS 1 A 0 MX 🔒 Secure
2026-10-15 00:30:13 5096ms 2 NS 1 A 0 MX 🔒 Secure
2026-10-14 00:27:03 5093ms 2 NS 1 A 0 MX 🔒 Secure
2026-10-12 23:35:44 9398ms 2 NS 1 A 0 MX 🔒 Secure
2026-10-11 22:16:14 17289ms 2 NS 1 A 0 MX 🔒 Secure
2026-10-10 19:00:41 9623ms 2 NS 1 A 0 MX 🔒 Secure
2026-10-09 16:09:43 5461ms 2 NS 1 A 0 MX 🔒 Secure
2026-10-08 15:02:33 10410ms 2 NS 1 A 0 MX 🔒 Secure
2026-10-07 14:52:15 9891ms 2 NS 1 A 0 MX 🔒 Secure
2026-10-06 14:27:27 5108ms 2 NS 1 A 0 MX 🔒 Secure
2026-10-05 13:51:47 17385ms 2 NS 1 A 0 MX 🔒 Secure
2026-10-04 13:40:22 5155ms 2 NS 1 A 0 MX 🔒 Secure
2026-10-03 13:38:25 6572ms 2 NS 1 A 0 MX 🔒 Secure
2026-10-02 13:36:47 5182ms 2 NS 1 A 0 MX 🔒 Secure
2026-10-01 13:35:51 shown 9972ms 2 NS 1 A 0 MX 🔒 Secure
2026-09-30 13:31:59 5331ms 2 NS 1 A 0 MX 🔒 Secure
2026-09-30 08:13:58 2493ms 2 NS 1 A 0 MX 🔒 Secure
2026-09-29 08:08:18 9242ms 2 NS 1 A 0 MX 🔒 Secure
2026-09-28 07:49:56 17335ms 2 NS 1 A 0 MX 🔒 Secure
2026-09-27 07:23:15 17634ms 2 NS 1 A 0 MX 🔒 Secure
2026-09-26 07:18:16 41844ms 2 NS 1 A 0 MX 🔒 Secure
2026-09-25 06:59:08 17219ms 2 NS 1 A 0 MX 🔒 Secure
2026-09-24 06:43:02 13879ms 2 NS 1 A 0 MX 🔒 Secure
2026-09-24 02:46:34 9417ms 2 NS 1 A 0 MX 🔒 Secure
2026-09-22 07:16:16 9371ms 2 NS 1 A 0 MX 🔒 Secure
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