aarhushc.dk

📜 Historical scan 2026-06-25 01:42:53 · ← 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 41ms

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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.48.146	600s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.153.4	600s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	600s	aarhushc-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca09::3 2a01:111:f403:ca09::c 2a01:111:f403:ca09::e 52.101.68.21 52.101.68.25 52.101.73.15 52.101.73.19	mail-db4pr02cu00307.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am9pr04cu00107.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	104.21.48.146
🔶 Autoconfig	104.21.48.146

🔷 AAAA Records (IPv6)#

2 records 50ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::ac43:9904	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:3092	600s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 31ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.48.146,172.67.153.4 ech=AEX+DQBBWgAgACBCtGFXclW1WWH8bDwySW9jXlRRohQgqqS/xFjcN5wOBgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:9904,2606:4700:3036::6815:3092

🔌 SRV Records#

1 records 94ms

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

📝 TXT Records#

2 records 284ms

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#

57ms

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

🏷️ SOA#

54ms

Field	Value
Serial	2406323004
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 (184d)

🔗 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#

41ms

33ms

46ms

AAAA

50ms

TXT

284ms

CAA

52ms

HTTPS

31ms

TLSA

958ms

SOA

54ms

MTA-STS

40ms

DNSSEC

57ms

SRV

94ms

Total

1886ms

🕐 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	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 shown	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