aarhus-tech.dk

📜 Historical scan 2026-07-03 19:58:39 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aarhus-tech.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 15 May 2009 (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 211ms

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#

2 records 765ms

TXT Record
SOA=1708683890
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.aarhus-tech.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 2026-10-23 21:38:49

www	Exists, no address
www vs bare domain	Neither resolves aarhus-tech.dk: no address www.aarhus-tech.dk: no address
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

🔎 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#

528ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2024092204
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 2026-10-05 22:13:50

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-05-15
Expires	2027-05-31 (219d)

📋 WHOIS#

⏱️ Lookup Timing#

211ms

221ms

203ms

AAAA

217ms

TXT

765ms

CAA

247ms

HTTPS

246ms

TLSA

91ms

SOA

0ms

MTA-STS

308ms

DNSSEC

528ms

SRV

268ms

Total

2571ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 21:38:49	406ms	3 NS 0 A 0 MX	❓ Unknown
2026-10-22 13:46:01	1488ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-21 00:25:27	1231ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-19 17:59:17	1338ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-18 17:43:15	986ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-17 16:50:59	4150ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-16 16:42:13	1464ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-15 14:17:50	2514ms	3 NS 0 A 0 MX	❓ Unknown
2026-10-14 13:00:07	2470ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-12 11:01:14	425ms	3 NS 0 A 0 MX	❓ Unknown
2026-10-11 07:30:49	1319ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-10 05:36:18	460ms	3 NS 0 A 0 MX	❓ Unknown
2026-10-09 00:31:22	1030ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-08 00:29:56	930ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-07 00:26:55	410ms	3 NS 0 A 0 MX	❓ Unknown
2026-10-05 23:07:37	805ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-04 23:04:43	273ms	3 NS 0 A 0 MX	❓ Unknown
2026-10-03 23:01:23	968ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-01 22:57:10	403ms	3 NS 0 A 0 MX	❓ Unknown
2026-09-28 22:34:46	541ms	3 NS 0 A 0 MX	🔒 Secure
2026-09-23 21:05:22	2315ms	3 NS 0 A 0 MX	🔒 Secure
2026-09-22 20:47:50	1907ms	3 NS 0 A 0 MX	🔒 Secure
2026-09-14 11:59:37	1081ms	3 NS 0 A 0 MX	🔒 Secure
2026-09-07 08:26:37	3274ms	3 NS 0 A 0 MX	🔒 Secure
2026-08-31 02:36:55	591ms	3 NS 0 A 0 MX	🔒 Secure