biztec.dk

📜 Historical scan 2026-06-20 09:02:40 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

biztec.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 14 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 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#

3 records 56ms

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 40ms

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	Højbjerg

📧 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 270ms

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 2026-10-14 16:50:42

www	NXDOMAIN
www vs bare domain	www does not resolve biztec.dk: 195.254.168.52 (AS51073) www.biztec.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#

109ms

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

🏷️ SOA#

41ms

Field	Value
Serial	2023100539
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 2026-10-14 17:06:12

Field	Value
Registrar	Aarhus Business College
Registered	2024-10-29
Expires	2027-10-28 (376d)

🔗 Same registrant#

99 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-koebmandsskole.dk	Punktum dk A/S (direct)
aarhusbusinesscollege.dk	Punktum dk A/S (direct)
aarhuserhvervsskole.dk	Punktum dk A/S (direct)
ai-in-a-box.dk	Aarhus Business College
ak-studweb.dk	Punktum dk A/S (direct)
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
bce.dk	Aarhus Business College
biztek.dk	Punktum dk A/S (direct)
blaahue.dk	Punktum dk A/S (direct)
businesscentret.dk	Punktum dk A/S (direct)
cisco-academy.dk	Punktum dk A/S (direct)
cisco-networking-academy.dk	Punktum dk A/S (direct)
ct-i-undervisningen.dk	Punktum dk A/S (direct)
cyberklar.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)
ecomtrainer.dk	Punktum dk A/S (direct)
efif.dk	Punktum dk A/S (direct)
efif365.dk	Punktum dk A/S (direct)
esic.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)
euxbizcup.dk	Aarhus Business College
euxgymnasiet.dk	Punktum dk A/S (direct)
fashionwithpassion.dk	Punktum dk A/S (direct)
forstå-erp.dk	Punktum dk A/S (direct)
forvaltningsmetroen.dk	Aarhus Business College
green-action.dk	Punktum dk A/S (direct)
greenaction.dk	Punktum dk A/S (direct)
grøn-handling.dk	Punktum dk A/S (direct)
grønhandling.dk	Punktum dk A/S (direct)
grønnecases.dk	Simply.com A/S
handelsfagskolen.dk	Punktum dk A/S (direct)
hhxpress.dk	Punktum dk A/S (direct)
hvadererp.dk	Punktum dk A/S (direct)
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
itservicedesk.dk	Punktum dk A/S (direct)
ituf.dk	Punktum dk A/S (direct)
kobmandsskole.dk	Punktum dk A/S (direct)
koebmandsskole.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
mstkurser.dk	Punktum dk A/S (direct)
mtuapv.dk	Punktum dk A/S (direct)
myservicedesk.dk	Punktum dk A/S (direct)
netlearning.dk	Punktum dk A/S (direct)
perssys.dk	Punktum dk A/S (direct)
pit-forskernetværk.dk	Simply.com A/S
ressys.dk	Punktum dk A/S (direct)
rideakademiet.dk	Punktum dk A/S (direct)
screeningogtest.dk	Punktum dk A/S (direct)
skabrelationer.dk	Punktum dk A/S (direct)
spilværdig.dk	Simply.com A/S
sprogscreening.dk	Aarhus Business College
studsys.dk	Punktum dk A/S (direct)
talenter-i-detail.dk	Punktum dk A/S (direct)
talenteridetail.dk	Punktum dk A/S (direct)
talenteridetailhandlen.dk	Punktum dk A/S (direct)
talentprogram.dk	Aarhus Business College
talentprogrammet.dk	Aarhus Business College
talents-in-retail.dk	Punktum dk A/S (direct)
talents-of-retail.dk	Punktum dk A/S (direct)
talentsinretail.dk	Aarhus Business College
talentsofretail.dk	Punktum dk A/S (direct)
tek-erhverv.dk	Punktum dk A/S (direct)
tooltrainer.dk	Aarhus Business College
umveud.dk	Punktum dk A/S (direct)
umvgym.dk	Punktum dk A/S (direct)
updaiter.dk	Aarhus Business College
updaitor.dk	Punktum dk A/S (direct)
uveva.dk	Punktum dk A/S (direct)
ventures.dk	Punktum dk A/S (direct)
videnscenterformerkantiludvikling.dk	Aarhus Business College
viholderafhverdagen.dk	Punktum dk A/S (direct)
vismandsspillet.dk	Punktum dk A/S (direct)
visualiseringsdesign.dk	Punktum dk A/S (direct)
vlink.dk	Punktum dk A/S (direct)
vtueud.dk	Punktum dk A/S (direct)
århus-købmandsskole.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

56ms

40ms

65ms

AAAA

42ms

TXT

270ms

CAA

81ms

HTTPS

39ms

TLSA

34ms

SOA

41ms

MTA-STS

93ms

DNSSEC

109ms

SRV

135ms

Total

468ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 16:50:42	442ms	3 NS 1 A 0 MX	🔒 Secure
2026-10-04 05:35:40	452ms	3 NS 1 A 0 MX	🔓 Insecure
2026-10-01 05:27:36	444ms	3 NS 1 A 0 MX	🔓 Insecure
2026-09-25 18:05:38	4394ms	3 NS 1 A 0 MX	🔓 Insecure
2026-08-15 23:22:52	13522ms	3 NS 1 A 0 MX	🔓 Insecure
2026-08-06 16:34:04	2822ms	3 NS 1 A 0 MX	🔓 Insecure
2026-07-24 20:24:06	4567ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-29 17:54:23	576ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-24 22:24:45	545ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-20 16:32:45	843ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-20 09:02:40 shown	468ms	3 NS 1 A 0 MX	🔓 Insecure
2026-06-19 16:53:41	1689ms	3 NS 1 A 0 MX	⚠️ Bogus
2026-06-16 14:42:23	389ms	3 NS 1 A 0 MX	🔓 Insecure