houmark.dk

📜 Historical scan 2026-08-28 06:27:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

houmark.dk is a .dk domain served by 2 nameservers (sierra.ns.cloudflare.com, zeus.ns.cloudflare.com). It was registered on 11 May 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.25.43 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by houmark-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 50ms

Nameserver	IP addresses	PTR	ASN / ISP
sierra.ns.cloudflare.com	108.162.194.245 162.159.38.245 172.64.34.245 2606:4700:50::a29f:26f5 2803:f800:50::6ca2:c2f5 2a06:98c1:50::ac40:22f5	sierra.ns.cloudflare.com sierra.ns.cloudflare.com sierra.ns.cloudflare.com sierra.ns.cloudflare.com sierra.ns.cloudflare.com sierra.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
zeus.ns.cloudflare.com	108.162.193.249 172.64.33.249 173.245.59.249 2606:4700:58::adf5:3bf9 2803:f800:50::6ca2:c1f9 2a06:98c1:50::ac40:21f9	zeus.ns.cloudflare.com zeus.ns.cloudflare.com zeus.ns.cloudflare.com zeus.ns.cloudflare.com zeus.ns.cloudflare.com zeus.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 62ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.25.43	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.222.173	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	houmark-dk.mail.protection.outlook.com	2a01:111:f403:ca04::10 2a01:111:f403:ca09::24 2a01:111:f403:ca09::26 2a01:111:f403:ca09::7 52.101.103.137 52.101.103.143 52.101.68.27 52.101.68.29	mail-dbapr03cu00100.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr03cu00107.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-dbapr03cu00105.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	104.21.25.43

🔷 AAAA Records (IPv6)#

2 records 51ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:192b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:dead	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 57ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.25.43,172.67.222.173 ech=AEX+DQBBXQAgACD4tluV7+N6egP3rjc95AhG8H8rAWHDx+Y5v46cYnx6AwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:192b,2606:4700:3034::ac43:dead

📝 TXT Records#

2 records 199ms

TXT Record
MS=ms92441605
v=spf1 ip4:82.165.138.49 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (houmark.dk)
-all (hard fail)	v=spf1 ip4:82.165.138.49 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 2026-10-09 00:07:11

www	104.21.25.43 172.67.222.173 2606:4700:3032::6815:192b 2606:4700:3034::ac43:dead (AS13335) (address records, no CNAME)
www vs bare domain	Same network houmark.dk: 104.21.25.43 172.67.222.173 2606:4700:3032::6815:192b 2606:4700:3034::ac43:dead (AS13335) www.houmark.dk: 104.21.25.43 172.67.222.173 2606:4700:3032::6815:192b 2606:4700:3034::ac43:dead (AS13335)
Wildcard	No

🔎 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#

93ms

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	2413238855
Primary NS (MNAME)	sierra.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-21 23:43:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1998-05-11
Expires	2029-06-30 (982d)

🔗 Same registrant#

2 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
profil-media.dk	Punktum dk A/S (direct)
profilmedia.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

50ms

62ms

46ms

AAAA

51ms

TXT

199ms

CAA

42ms

HTTPS

57ms

TLSA

196ms

SOA

0ms

MTA-STS

85ms

DNSSEC

93ms

SRV

84ms

Total

1190ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-26 16:27:03	1909ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 15:53:12	2856ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 06:27:14 shown	1190ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 18:06:25	1524ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 14:13:08	3499ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-31 07:11:51	3768ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-21 01:50:05	2007ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 13:47:38	263ms	0 NS 0 A 0 MX	❓ Unknown