aarhusdans.dk

📜 Historical scan 2026-06-24 16:04:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aarhusdans.dk is a .dk domain served by 2 nameservers (duke.ns.cloudflare.com, kiki.ns.cloudflare.com). It was registered on 23 February 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.31.227 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aarhusdans-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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#

2 records 234ms

Nameserver	IP addresses	PTR	ASN / ISP
duke.ns.cloudflare.com	108.162.193.110 172.64.33.110 173.245.59.110 2606:4700:58::adf5:3b6e 2803:f800:50::6ca2:c16e 2a06:98c1:50::ac40:216e	duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kiki.ns.cloudflare.com	108.162.192.180 172.64.32.180 173.245.58.180 2606:4700:50::adf5:3ab4 2803:f800:50::6ca2:c0b4 2a06:98c1:50::ac40:20b4	kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 232ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.31.227	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.180.94	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 206ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aarhusdans-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::d 2a01:111:f403:ca09::7 2a01:111:f403:ca09::f 52.101.68.29 52.101.68.5 52.101.73.1 52.101.73.19	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as8pr04cu00803.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	172.67.180.94

🔷 AAAA Records (IPv6)#

2 records 178ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:1fe3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:b45e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 224ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.31.227,172.67.180.94 ech=AEX+DQBBuQAgACAvm/0aBCPA8lL0W8BJGlY+aQG5mSltXPg28U+pnur1XwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1fe3,2606:4700:3035::ac43:b45e

🔌 SRV Records#

1 records 375ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

1 records 601ms

TXT Record
v=spf1 ip4:84.19.174.8 include:_spf.hostonline.dk include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF#

Policy	Record (aarhusdans.dk)
-all (hard fail)	v=spf1 ip4:84.19.174.8 include:_spf.hostonline.dk include:spf.protection.outlook.com include:_custspf.one.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-18 20:29:36

www	104.21.31.227 172.67.180.94 2606:4700:3034::6815:1fe3 2606:4700:3035::ac43:b45e (AS13335) (address records, no CNAME)
www vs bare domain	Same network aarhusdans.dk: 104.21.31.227 172.67.180.94 2606:4700:3034::6815:1fe3 2606:4700:3035::ac43:b45e (AS13335) www.aarhusdans.dk: 104.21.31.227 172.67.180.94 2606:4700:3034::6815:1fe3 2606:4700:3035::ac43:b45e (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-aarhusdans-dk._domainkey.aarhusdans.a-v1.dkim.mail.microsoft	RSA · ~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: 6/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

284ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

202ms

Field	Value
Serial	2407558349
Primary NS (MNAME)	duke.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-18 18:09:18

Field	Value
Registrar	TS COMPUTER ApS
Registered	1999-02-23
Expires	2027-03-31 (163d)

🔗 Same registrant#

0 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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

234ms

232ms

206ms

AAAA

178ms

TXT

601ms

CAA

224ms

HTTPS

224ms

TLSA

370ms

SOA

202ms

MTA-STS

256ms

DNSSEC

284ms

SRV

375ms

Total

2751ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 20:29:36	1221ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 03:38:17	696ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-20 18:40:53	1170ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-19 03:16:50	1527ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-20 03:02:59	10731ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-21 22:58:12	1446ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-24 16:04:33 shown	2751ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-22 01:33:02	747ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 12:50:40	1630ms	2 NS 2 A 1 MX	🔓 Insecure