biztek.dk

📜 Historical scan 2026-10-22 20:32:55 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

biztek.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 29 October 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. We saw it become registrar-handled on 25 October 2026, when it moved from direct registration at Punktum to Aarhus Business College. Its website address 195.254.168.52 is hosted by Aarhus Business College (AS51073) in Denmark. The zone is DNSSEC-signed and validates, 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#

3 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.efif.dk	195.254.168.23	ns.efif.dk	AS51073 Aarhus Business College
ns2.efif.dk	195.254.168.12	ns2.efif.dk	AS51073 Aarhus Business College
ns3.efif.dk	20.23.170.35	—	AS8075 Microsoft Corporation

🌍 A Records#

1 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.254.168.52	86400s	cphbusiness.dk ek.dk keanet.dk kompetence.kea.dk redirect.efif.dk	AS51073	Aarhus Business College	195.254.168.0/23	🇩🇰 Denmark	Viby J

📧 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 178ms

TXT Record
AABC

✉️ 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 2026-10-27 13:33:00

www	NXDOMAIN
www vs bare domain	www does not resolve biztek.dk: 195.254.168.52 (AS51073) www.biztek.dk: no address (all like this)
Wildcard	No
Denial of existence	NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

57ms

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

🏷️ SOA#

44ms

Field	Value
Serial	2023100550
Primary NS (MNAME)	ns.efif.dk
Responsible (RNAME)	dns-zc@efif.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-25 00:41:39

Field	Value
Registrar	Aarhus Business College
Registered	2024-10-29
Expires	2027-10-28 (365d)

🔗 Same registrant#

152 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
aabc.dk	Punktum dk A/S (direct)
aabcshop.dk	Simply.com A/S
aarhus-business-college.dk	Punktum dk A/S (direct)
aarhus-handelsskole.dk	Punktum dk A/S (direct)
aarhus-kobmandsskole.dk	Punktum dk A/S (direct)
aarhus-koebmandsskole.dk	Punktum dk A/S (direct)
aarhusbusinesscollege.dk	Punktum dk A/S (direct)
aarhuserhvervsskole.dk	Punktum dk A/S (direct)
aarhusks.dk	Punktum dk A/S (direct)
ai-in-a-box.dk	Aarhus Business College
aiinabox.dk	Aarhus Business College
ak-studweb.dk	Punktum dk A/S (direct)
aktiv-elev.dk	Simply.com A/S
amu-læringsudbytte.dk	Simply.com A/S
amueva-mooc.dk	Simply.com A/S
amuproever.dk	Punktum dk A/S (direct)
amuprøver.dk	Punktum dk A/S (direct)
avenbuild.dk	Punktum dk A/S (direct)
avenquest.dk	Aarhus Business College
avenx.dk	Punktum dk A/S (direct)
barnloeshed.dk	ONE.COM A/S
bce.dk	Aarhus Business College
biztec.dk	Aarhus Business College
blaahue.dk	Punktum dk A/S (direct)
businesscentret.dk	Punktum dk A/S (direct)
cfflos.dk	Punktum dk A/S (direct)
cisco-academy.dk	Punktum dk A/S (direct)
cisco-networking-academy.dk	Punktum dk A/S (direct)
cisco-university.dk	Punktum dk A/S (direct)
citm.dk	Punktum dk A/S (direct)
ct-i-undervisningen.dk	Punktum dk A/S (direct)
cyberklar.dk	Punktum dk A/S (direct)
cyberklarinfo.dk	Simply.com A/S
denfagligestolthed.dk	Punktum dk A/S (direct)
detadministrativefaellesskab.dk	Punktum dk A/S (direct)
deterhvervsfagligeeksperimentarium.dk	Punktum dk A/S (direct)
digitalhandel.dk	Aarhus Business College
doef.dk	Punktum dk A/S (direct)
ecomlab.dk	Aarhus Business College
ecomtrainer.dk	Aarhus Business College
edidaktik-mooc.dk	Punktum dk A/S (direct)
efif.dk	Punktum dk A/S (direct)
efif365.dk	Punktum dk A/S (direct)
efifgov.dk	Punktum dk A/S (direct)
erduspaendt.dk	Punktum dk A/S (direct)
esic.dk	Punktum dk A/S (direct)
etueud.dk	Punktum dk A/S (direct)
etufgu.dk	Punktum dk A/S (direct)
etugym.dk	Punktum dk A/S (direct)
etupc.dk	Punktum dk A/S (direct)
etuvuc.dk	Punktum dk A/S (direct)
eud-matematikklar.dk	Simply.com A/S
eux-brobygning.dk	Punktum dk A/S (direct)
euxbizcup.dk	Aarhus Business College
euxbrobygning.dk	Punktum dk A/S (direct)
euxgymnasiet.dk	Punktum dk A/S (direct)
evidencenter.dk	Punktum dk A/S (direct)
fashionwithpassion.dk	Punktum dk A/S (direct)
formdinfremtid.dk	Punktum dk A/S (direct)
forstaa-erp.dk	Punktum dk A/S (direct)
forstaaerp.dk	Punktum dk A/S (direct)
forstå-erp.dk	Punktum dk A/S (direct)
forståerp.dk	Punktum dk A/S (direct)
forvaltningsmetroen.dk	Aarhus Business College
green-action.dk	Aarhus Business College
greenaction.dk	Aarhus Business College
greenfluencer.dk	Aarhus Business College
greenfluencers.dk	Aarhus Business College
grøn-handling.dk	Aarhus Business College
grønamu.dk	Simply.com A/S
grønhandling.dk	Aarhus Business College
grønnecases.dk	Simply.com A/S
handelsfagskolen.dk	Punktum dk A/S (direct)
handlekraft.dk	Aarhus Business College
hhxpress.dk	Punktum dk A/S (direct)
hvad-er-erp.dk	Punktum dk A/S (direct)
hvadererp.dk	Punktum dk A/S (direct)
hverpatienttaeller.dk	ONE.COM A/S
hvordannelse.dk	Punktum dk A/S (direct)
innovationogsamarbejde.dk	Simply.com A/S
it-differentiering.dk	Punktum dk A/S (direct)
it-servicedesk.dk	Punktum dk A/S (direct)
ithelpdesk.dk	Punktum dk A/S (direct)
itipaedagogiskpraksis.dk	Simply.com A/S
itipædagogiskpraksis.dk	Simply.com A/S
itservicedesk.dk	Punktum dk A/S (direct)
ituf.dk	Punktum dk A/S (direct)
jobs2get.dk	Punktum dk A/S (direct)
kobmandsskole.dk	Punktum dk A/S (direct)
kobmandsskolen.dk	Punktum dk A/S (direct)
koebmandsskole.dk	Punktum dk A/S (direct)
koebmandsskolen.dk	Punktum dk A/S (direct)
kursus-i-ct.dk	Punktum dk A/S (direct)
købmandsskole.dk	Punktum dk A/S (direct)
laegesekretaerkonferencer.dk	Punktum dk A/S (direct)
matematikkensunivers.dk	Simply.com A/S
matematikkensverden.dk	Punktum dk A/S (direct)
matematikklar.dk	Simply.com A/S
merkantiludvikling.dk	Aarhus Business College
merkura.dk	Aarhus Business College

Showing 100 of 152.

📋 WHOIS#

⏱️ Lookup Timing#

49ms

35ms

50ms

AAAA

56ms

TXT

178ms

CAA

48ms

HTTPS

37ms

TLSA

48ms

SOA

44ms

MTA-STS

49ms

DNSSEC

57ms

SRV

58ms

Total

393ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-27 13:33:00	360ms	3 NS 1 A 0 MX	🔒 Secure
2026-10-26 07:26:04	460ms	3 NS 1 A 0 MX	🔒 Secure
2026-10-25 00:28:25	3328ms	3 NS 1 A 0 MX	🔒 Secure
2026-10-22 20:32:55 shown	393ms	3 NS 1 A 0 MX	🔒 Secure
2026-10-21 05:58:51	366ms	3 NS 1 A 0 MX	🔒 Secure
2026-10-16 14:50:14	426ms	3 NS 1 A 0 MX	🔒 Secure
2026-10-15 13:32:47	8636ms	3 NS 1 A 0 MX	🔒 Secure
2026-10-14 12:15:43	1362ms	3 NS 1 A 0 MX	🔒 Secure
2026-10-04 12:54:37	516ms	3 NS 1 A 0 MX	🔓 Insecure
2026-09-01 20:35:57	424ms	3 NS 1 A 0 MX	🔓 Insecure
2026-08-28 04:08:05	1274ms	3 NS 1 A 0 MX	🔓 Insecure
2026-08-09 19:44:56	4574ms	3 NS 1 A 0 MX	🔓 Insecure
2026-08-06 21:23:20	4383ms	3 NS 1 A 0 MX	🔓 Insecure
2026-07-20 11:05:21	4770ms	3 NS 1 A 0 MX	🔓 Insecure
2026-07-17 21:38:16	13500ms	3 NS 1 A 0 MX	🔓 Insecure
2026-07-02 00:59:38	599ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-16 14:43:01	507ms	3 NS 1 A 0 MX	🔓 Insecure