kus.dk

📜 Historical scan 2026-09-15 15:12:13 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kus.dk is a .dk domain served by 2 nameservers (ara.ns.cloudflare.com, curt.ns.cloudflare.com). It was registered on 27 June 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.38.135 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by in1-smtp.messagingengine.com, in2-smtp.messagingengine.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 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ara.ns.cloudflare.com	108.162.192.67 172.64.32.67 173.245.58.67 2606:4700:50::adf5:3a43 2803:f800:50::6ca2:c043 2a06:98c1:50::ac40:2043	ara.ns.cloudflare.com ara.ns.cloudflare.com ara.ns.cloudflare.com ara.ns.cloudflare.com ara.ns.cloudflare.com ara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
curt.ns.cloudflare.com	108.162.193.94 172.64.33.94 173.245.59.94 2606:4700:58::adf5:3b5e 2803:f800:50::6ca2:c15e 2a06:98c1:50::ac40:215e	curt.ns.cloudflare.com curt.ns.cloudflare.com curt.ns.cloudflare.com curt.ns.cloudflare.com curt.ns.cloudflare.com curt.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 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.38.135	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.223.40	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	in1-smtp.messagingengine.com	103.168.172.216 103.168.172.217 103.168.172.218 103.168.172.219 103.168.172.220 103.168.172.221 103.168.172.222 103.168.172.223	phl-mx-01.messagingengine.com phl-mx-02.messagingengine.com phl-mx-03.messagingengine.com phl-mx-04.messagingengine.com phl-mx-05.messagingengine.com phl-mx-06.messagingengine.com phl-mx-07.messagingengine.com phl-mx-08.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd
20	300s	in2-smtp.messagingengine.com	202.12.124.216 202.12.124.217 202.12.124.218 202.12.124.219	stl-mx-01.messagingengine.com stl-mx-02.messagingengine.com stl-mx-03.messagingengine.com stl-mx-04.messagingengine.com	AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd AS151847 Fastmail Pty Ltd

🔷 AAAA Records (IPv6)#

2 records 66ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:df28	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:2687	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 74ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.38.135,172.67.223.40 ech=AEX+DQBBEQAgACAlwb7XkqvGv+SFlqgX/9q6Zlgsfo02/LY9EROjeD5YCAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:df28,2606:4700:3034::6815:2687

📝 TXT Records#

1 records 241ms

TXT Record
v=spf1 include:spf.messagingengine.com ?all

✉️ SPF#

Policy	Record (kus.dk)
?all (neutral)	v=spf1 include:spf.messagingengine.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 2026-10-15 11:26:59

www	104.21.38.135 172.67.223.40 2606:4700:3033::ac43:df28 2606:4700:3034::6815:2687 (AS13335) (address records, no CNAME)
www vs bare domain	Same network kus.dk: 104.21.38.135 172.67.223.40 2606:4700:3033::ac43:df28 2606:4700:3034::6815:2687 (AS13335) www.kus.dk: 104.21.38.135 172.67.223.40 2606:4700:3033::ac43:df28 2606:4700:3034::6815:2687 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

115ms

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	2411815411
Primary NS (MNAME)	ara.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-08 19:05:14

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-06-27
Expires	2027-06-30 (255d)

📋 WHOIS#

⏱️ Lookup Timing#

51ms

44ms

40ms

AAAA

66ms

TXT

241ms

CAA

48ms

HTTPS

74ms

TLSA

284ms

SOA

0ms

MTA-STS

89ms

DNSSEC

115ms

SRV

87ms

Total

1914ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 11:26:58	2543ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-08 18:55:32	2007ms	2 NS 2 A 2 MX	🔓 Insecure
2026-10-07 18:44:57	609ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-29 14:44:47	2064ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-27 12:24:02	1217ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-24 11:44:59	1127ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-15 15:12:13 shown	1914ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-11 16:22:36	1709ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-30 14:55:50	18231ms	2 NS 2 A 2 MX	❓ Unknown
2026-06-25 02:30:36	5126ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-24 18:13:09	969ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-23 01:48:23	912ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 01:44:46	1051ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-17 11:54:36	1670ms	2 NS 2 A 2 MX	🔓 Insecure