aarhustekniskeskole.dk

📜 Historical scan 2026-08-03 21:28:20  ·  ← 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 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#

3 records   126ms
NameserverIP addressesPTRASN / 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   271ms
TXT Record
inst=AARHUS TECH
SOA=1708684429
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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
wwwSERVFAIL
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#

165ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

0ms
FieldValue
Serial2024092211
Primary NS (MNAME)ns.efif.dk
Responsible (RNAME)dns-zc@efif.dk
Refresh14400s
Retry3600s
Expire2419200s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-14 20:19:06
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2000-10-13
Expires2026-12-31 (66d)

🔗 Same registrant#

24 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
aarhus-college.dkPunktum dk A/S (direct)
aarhus-epx.dkDANDOMAIN A/S
aarhus-gymnasium.dkPunktum dk A/S (direct)
aarhus-tech.dkPunktum dk A/S (direct)
aarhusepx.dkDANDOMAIN A/S
aarhusgymnasium.dkPunktum dk A/S (direct)
aarhustech.dkPunktum dk A/S (direct)
amu-aarhustech.dkPunktum dk A/S (direct)
amu-midt.dkPunktum dk A/S (direct)
amuostjylland.dkPunktum dk A/S (direct)
amuøstjylland.dkPunktum dk A/S (direct)
ats-skpdatait.dkPunktum dk A/S (direct)
epxiaarhus.dkDANDOMAIN A/S
faglærtfejring.dkDANDOMAIN A/S
faglærtfest.dkDANDOMAIN A/S
htxpressen.dkPunktum dk A/S (direct)
htxviby.dkPunktum dk A/S (direct)
ihg.dkPunktum dk A/S (direct)
inhousegraphic.dkONE.COM A/S
langkaer.dkPunktum dk A/S (direct)
tdvalgfag.dkONE.COM A/S
århus-gymnasium.dkPunktum dk A/S (direct)
århusgymnasium.dkPunktum dk A/S (direct)
århustech.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
126ms
A
119ms
MX
106ms
AAAA
94ms
TXT
271ms
CAA
156ms
HTTPS
139ms
TLSA
40ms
SOA
0ms
MTA-STS
120ms
DNSSEC
165ms
SRV
154ms
Total
5935ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 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
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