aarhustech.dk

📜 Historical scan 2026-09-16 04:42:30 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aarhustech.dk is a .dk domain served by 3 nameservers (ns.efif.dk, ns2.efif.dk, ns3.efif.dk). It was registered on 30 April 2009 (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. Mail is handled by aarhustech-dk.mail.protection.outlook.com. 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 32ms

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 39ms

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#

1 records 35ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	aarhustech-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::8 2a01:111:f403:ca09::a 2a01:111:f403:ca48::10 52.101.181.153 52.101.181.156 52.101.209.28 52.101.73.155	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-wa4pr05cu00104.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-am7pr02cu00203.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.40

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

3 records 49ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	autodiscover.aarhustech.dk
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com
_xmpp-server._tcp	0	100	5269	sip.aarhustech.dk

📝 TXT Records#

9 records 143ms

TXT Record
_globalsign-domain-verification=5Cvfz4hLOHBf-W9xGsheikfnBTymA_JVfFhJkhJNdC
autodesk-domain-verification=3bXUWyUZ60z_aJKjrN6x
facebook-domain-verification=ez0aq1p1s27zg7owb4vopiypi76yg3
google-site-verification=V-U2Fd669kHOb9OjLU_YzI_5mY-sxpAnl_XBEb-tT88
MS=ms54770572
MS=ms55209626
psWt4oEQyGUVKO1C17Zs60VfopkbC8M8dgNBW8W2V5p8MWDd+AVBTkbYmPhSXnW2JafpxnK9ojI77FdE+qa3GA==
SOA=1726754656
v=spf1 mx:relay341.mysmtp5.com include:mail.survey-it.dk include:spf.protection.outlook.com include:spf.ubivox.com include:amazonses.com include:dedicated.mysmtp.com ip4:185.158.60.15 ip4:194.182.26.15 ip4:195.231.239.247 ip4:195.231.241.19 ip4:195.231.242.0/24 ip4:5.179.87.203 ip4:77.247.70.242 ip4:83.91.91.0/26 ip4:85.194.254.104 ip4:89.188.82.125 ip4:94.231.96.0/20 ip4:40.113.173.32/28 -all

✉️ SPF#

Policy	Record (aarhustech.dk)
-all (hard fail)	v=spf1 mx:relay341.mysmtp5.com include:mail.survey-it.dk include:spf.protection.outlook.com include:spf.ubivox.com include:amazonses.com include:dedicated.mysmtp.com ip4:185.158.60.15 ip4:194.182.26.15 ip4:195.231.239.247 ip4:195.231.241.19 ip4:195.231.242.0/24 ip4:5.179.87.203 ip4:77.247.70.242 ip4:83.91.91.0/26 ip4:85.194.254.104 ip4:89.188.82.125 ip4:94.231.96.0/20 ip4:40.113.173.32/28 -all

📨 DMARC#

Policy	Record (_dmarc.aarhustech.dk)
p=reject	v=DMARC1; p=reject;

📬 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 2026-10-15 01:20:29

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 aarhustech.dk: 162.159.140.127 172.66.0.125 (AS13335) www.aarhustech.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

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-aarhustech-dk._domainkey.tstaarhustech.onmicrosoft.com	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 10/10 · policy: -all

warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

71ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2024092617
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 21:29:35

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-04-30
Expires	2027-04-30 (194d)

🔗 Same registrant#

11 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-gymnasium.dk	Punktum dk A/S (direct)
aarhusgymnasium.dk	Punktum dk A/S (direct)
aarhustekniskeskole.dk	Punktum dk A/S (direct)
ats-skpdatait.dk	Punktum dk A/S (direct)
epxiaarhus.dk	DANDOMAIN A/S
htxpressen.dk	Punktum dk A/S (direct)
htxviby.dk	Punktum dk A/S (direct)
langkaer.dk	Punktum dk A/S (direct)
århusgymnasium.dk	Punktum dk A/S (direct)
århustech.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

39ms

35ms

AAAA

40ms

TXT

143ms

CAA

36ms

HTTPS

33ms

TLSA

1106ms

SOA

0ms

MTA-STS

54ms

DNSSEC

71ms

SRV

49ms

Total

3663ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 01:20:29	1311ms	3 NS 2 A 1 MX	🔒 Secure
2026-10-12 22:30:56	4575ms	3 NS 2 A 1 MX	🔒 Secure
2026-10-11 20:54:52	1293ms	3 NS 2 A 1 MX	🔒 Secure
2026-10-09 08:53:32	5323ms	3 NS 2 A 1 MX	🔒 Secure
2026-10-04 06:45:43	1050ms	3 NS 2 A 1 MX	🔒 Secure
2026-10-03 06:44:33	1039ms	3 NS 2 A 1 MX	🔒 Secure
2026-10-02 06:43:19	3183ms	3 NS 0 A 0 MX	⚠️ Bogus
2026-10-01 06:36:07	1152ms	3 NS 2 A 1 MX	🔒 Secure
2026-09-29 06:12:49	2310ms	3 NS 2 A 1 MX	🔒 Secure
2026-09-26 04:55:10	1173ms	3 NS 2 A 1 MX	🔒 Secure
2026-09-24 05:05:17	1117ms	3 NS 2 A 1 MX	🔒 Secure
2026-09-22 15:04:45	2658ms	3 NS 2 A 1 MX	🔒 Secure
2026-09-20 11:29:18	1596ms	3 NS 2 A 1 MX	🔒 Secure
2026-09-16 04:42:30 shown	3663ms	3 NS 2 A 1 MX	🔒 Secure
2026-09-14 23:51:37	1205ms	3 NS 2 A 1 MX	🔒 Secure
2026-09-10 01:29:16	1626ms	3 NS 2 A 1 MX	🔒 Secure
2026-09-04 11:28:40	633ms	3 NS 2 A 1 MX	🔒 Secure
2026-08-26 15:50:32	1248ms	3 NS 2 A 1 MX	🔒 Secure
2026-08-22 17:38:08	3929ms	3 NS 2 A 1 MX	🔒 Secure
2026-08-19 15:46:31	3212ms	3 NS 2 A 1 MX	🔒 Secure
2026-08-15 16:12:55	4562ms	3 NS 2 A 1 MX	🔒 Secure
2026-08-09 07:59:50	7682ms	3 NS 2 A 1 MX	🔒 Secure
2026-07-27 22:51:40	10023ms	3 NS 2 A 1 MX	🔒 Secure
2026-07-22 19:40:01	12011ms	3 NS 2 A 1 MX	🔒 Secure
2026-07-20 00:02:22	10598ms	3 NS 2 A 1 MX	🔒 Secure