aarhusgymnasium.dk

📜 Historical scan 2026-10-02 12:21:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aarhusgymnasium.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 15 December 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.159.140.127 is hosted by Cloudflare, Inc. (AS13335) in United States. 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 59ms

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#

2 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
162.159.140.127	300s	—	AS13335	Cloudflare, Inc.	162.159.128.0/19	🇺🇸 United States	—
172.66.0.125	300s	—	AS13335	Cloudflare, Inc.	172.66.0.0/22	🇺🇸 United States	—

📧 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 290ms

TXT Record
SOA=1708684374
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.aarhusgymnasium.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 02:23:43

www CNAME	dns.umbraco.io (all on umbraco.io) → 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335)
www vs bare domain	Same network aarhusgymnasium.dk: 162.159.140.127 172.66.0.125 (AS13335) www.aarhusgymnasium.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335)
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#

78ms

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

🏷️ SOA#

71ms

Field	Value
Serial	2024092241
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 2026-10-11 21:00:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2010-12-15
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)
aarhustech.dk	Punktum dk A/S (direct)
aarhustekniskeskole.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#

59ms

51ms

45ms

AAAA

56ms

TXT

290ms

CAA

56ms

HTTPS

52ms

TLSA

81ms

SOA

71ms

MTA-STS

87ms

DNSSEC

78ms

SRV

104ms

Total

642ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-25 02:23:43	456ms	3 NS 2 A 0 MX	❓ Unknown
2026-10-23 14:21:19	1596ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-22 04:54:01	1512ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-21 04:30:24	1617ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-18 06:49:04	606ms	3 NS 2 A 0 MX	❓ Unknown
2026-10-17 06:41:25	1694ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-16 05:49:52	5897ms	3 NS 2 A 0 MX	❓ Unknown
2026-10-15 05:26:16	12347ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-14 03:06:03	452ms	3 NS 2 A 0 MX	❓ Unknown
2026-10-12 23:35:45	2691ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-11 22:10:34	1544ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-10 20:37:20	866ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-09 19:07:01	2877ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-08 14:37:29	4038ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-08 14:29:09	1967ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-06 12:44:58	599ms	3 NS 2 A 0 MX	❓ Unknown
2026-10-05 12:34:08	934ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-04 12:25:48	1553ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-03 12:24:52	4179ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-02 12:21:34 shown	642ms	3 NS 2 A 0 MX	❓ Unknown
2026-10-01 12:19:15	898ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-09-28 11:52:26	1754ms	3 NS 2 A 0 MX	🔒 Secure
2026-09-24 11:21:04	2318ms	3 NS 2 A 0 MX	🔒 Secure
2026-09-23 11:07:51	1676ms	3 NS 2 A 0 MX	🔒 Secure
2026-09-20 15:31:25	6628ms	3 NS 2 A 0 MX	🔒 Secure