aarhushc.dk

📜 Historical scan 2026-08-28 00:14:06 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

aarhushc.dk is a .dk domain served by 2 nameservers (elly.ns.cloudflare.com, harlan.ns.cloudflare.com). It was registered on 20 April 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.48.146 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aarhushc-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 53ms

Nameserver	IP addresses	PTR	ASN / ISP
elly.ns.cloudflare.com	108.162.194.246 162.159.38.246 172.64.34.246 2606:4700:50::a29f:26f6 2803:f800:50::6ca2:c2f6 2a06:98c1:50::ac40:22f6	elly.ns.cloudflare.com elly.ns.cloudflare.com elly.ns.cloudflare.com elly.ns.cloudflare.com elly.ns.cloudflare.com elly.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
harlan.ns.cloudflare.com	108.162.195.250 162.159.44.250 172.64.35.250 2606:4700:58::a29f:2cfa 2803:f800:50::6ca2:c3fa 2a06:98c1:50::ac40:23fa	harlan.ns.cloudflare.com harlan.ns.cloudflare.com harlan.ns.cloudflare.com harlan.ns.cloudflare.com harlan.ns.cloudflare.com harlan.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 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.48.146	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.153.4	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	aarhushc-dk.mail.protection.outlook.com	2a01:111:f403:ca09::1 2a01:111:f403:ca09::20 2a01:111:f403:ca09::28 2a01:111:f403:ca09::8 52.101.103.140 52.101.68.39 52.101.73.1 52.101.73.4	mail-as9pr07cu00301.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-am0pr83cu00404.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	104.21.48.146
🔶 Autoconfig	172.67.153.4

🔷 AAAA Records (IPv6)#

2 records 58ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:9904	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:3092	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 58ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.48.146,172.67.153.4 ech=AEX+DQBBKgAgACCagOE0lmOvNWN5uy3ezyGns3addflhunnKLGpZ9c/7MwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:9904,2606:4700:3035::6815:3092

🔌 SRV Records#

1 records 92ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

2 records 235ms

TXT Record
MS=ms92601703
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (aarhushc.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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 2026-10-12 02:51:11

www	104.21.48.146 172.67.153.4 2606:4700:3032::ac43:9904 2606:4700:3035::6815:3092 (AS13335) (address records, no CNAME)
www vs bare domain	Same network aarhushc.dk: 104.21.48.146 172.67.153.4 2606:4700:3032::ac43:9904 2606:4700:3035::6815:3092 (AS13335) www.aarhushc.dk: 104.21.48.146 172.67.153.4 2606:4700:3032::ac43:9904 2606:4700:3035::6815:3092 (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-aarhushc-dk._domainkey.aarhushc.onmicrosoft.com	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: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9105ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2408915297
Primary NS (MNAME)	elly.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 03:43:25

Field	Value
Registrar	Simply.com A/S
Registered	2022-04-20
Expires	2027-04-19 (181d)

🔗 Same registrant#

4 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
aarhush.dk	Punktum dk A/S (direct)
beachboys.dk	Punktum dk A/S (direct)
peter-bredsdorff.dk	Simply.com A/S
tuen.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

53ms

57ms

37ms

AAAA

58ms

TXT

235ms

CAA

57ms

HTTPS

58ms

TLSA

405ms

SOA

0ms

MTA-STS

67ms

DNSSEC

9105ms

SRV

92ms

Total

10240ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-27 20:15:45	3353ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-04 21:27:10	2478ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 00:14:06 shown	10240ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-09 01:17:49	10915ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-27 21:06:09	3117ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-25 01:42:53	1886ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 21:54:56	1360ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 12:49:29	2617ms	2 NS 2 A 1 MX	🔓 Insecure