aarhustekniskeskole.dk

📜 Historical scan 2026-10-06 20:31:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aarhustekniskeskole.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 13 October 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is of unknown DNSSEC status, 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#

3 records 30ms

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#

🌍

No A records found

📧 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#

3 records 177ms

TXT Record
inst=AARHUS TECH
SOA=1708684429
v=spf1 -all

✉️ SPF#

Policy	Record (aarhustekniskeskole.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.aarhustekniskeskole.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:62b3331b5a414@dmarc.centerasecurity.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 2026-10-25 04:36:15

www	SERVFAIL
CDS / CDNSKEY	None 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#

58ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving 'aarhustekniskeskole.dk/A/IN': 127.0.0.1#53

🏷️ SOA#

28ms

Field	Value
Serial	2024092230
Primary NS (MNAME)	ns.efif.dk
Responsible (RNAME)	dns-zc@efif.dk
Refresh	14400s
Retry	3600s
Expire	2419200s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-14 20:19:06

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-10-13
Expires	2026-12-31 (67d)

🔗 Same registrant#

21 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
aarhus-college.dk	Punktum dk A/S (direct)
aarhus-epx.dk	DANDOMAIN A/S
aarhus-gymnasium.dk	Punktum dk A/S (direct)
aarhus-tech.dk	Punktum dk A/S (direct)
aarhusgymnasium.dk	Punktum dk A/S (direct)
aarhustech.dk	Punktum dk A/S (direct)
amu-aarhustech.dk	Punktum dk A/S (direct)
amu-midt.dk	Punktum dk A/S (direct)
amuostjylland.dk	Punktum dk A/S (direct)
amuøstjylland.dk	Punktum dk A/S (direct)
ats-skpdatait.dk	Punktum dk A/S (direct)
epxiaarhus.dk	DANDOMAIN A/S
faglærtfejring.dk	DANDOMAIN A/S
htxpressen.dk	Punktum dk A/S (direct)
htxviby.dk	Punktum dk A/S (direct)
ihg.dk	Punktum dk A/S (direct)
langkaer.dk	Punktum dk A/S (direct)
tdvalgfag.dk	ONE.COM A/S
århus-gymnasium.dk	Punktum dk A/S (direct)
århusgymnasium.dk	Punktum dk A/S (direct)
århustech.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

30ms

33ms

38ms

AAAA

29ms

TXT

177ms

CAA

35ms

HTTPS

28ms

TLSA

35ms

SOA

28ms

MTA-STS

53ms

DNSSEC

58ms

SRV

62ms

Total

354ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-25 04:36:14	1529ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-23 15:22:53	1462ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-22 13:02:10	3937ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-21 00:02:23	830ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-19 17:25:12	1292ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-18 14:13:24	1344ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-17 12:59:51	533ms	3 NS 0 A 0 MX	❓ Unknown
2026-10-16 12:43:06	43745ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-15 09:36:15	2619ms	3 NS 0 A 0 MX	❓ Unknown
2026-10-14 07:39:11	4691ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-12 03:06:30	576ms	3 NS 0 A 0 MX	❓ Unknown
2026-10-11 02:02:30	1016ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-09 22:48:16	1184ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-08 20:38:53	991ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-07 20:33:27	949ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-06 20:31:00 shown	354ms	3 NS 0 A 0 MX	❓ Unknown
2026-10-05 20:15:15	4733ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-04 20:09:09	881ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-03 20:02:12	831ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-02 20:00:32	1986ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-01 19:56:53	972ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-09-28 19:46:07	1677ms	3 NS 0 A 0 MX	🔒 Secure
2026-09-23 18:10:06	504ms	3 NS 0 A 0 MX	🔒 Secure
2026-09-17 07:43:35	648ms	3 NS 0 A 0 MX	🔒 Secure
2026-09-08 05:06:16	429ms	3 NS 0 A 0 MX	🔒 Secure