kalusk.dk

📜 Historical scan 2026-09-16 22:50:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kalusk.dk is a .dk domain served by 2 nameservers (kip.ns.cloudflare.com, serena.ns.cloudflare.com). It was registered on 11 April 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.49.31 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mxscanner2.hostingservice2.dk. 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 39ms

Nameserver	IP addresses	PTR	ASN / ISP
kip.ns.cloudflare.com	108.162.193.128 172.64.33.128 173.245.59.128 2606:4700:58::adf5:3b80 2803:f800:50::6ca2:c180 2a06:98c1:50::ac40:2180	kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com kip.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
serena.ns.cloudflare.com	108.162.192.220 172.64.32.220 173.245.58.220 2606:4700:50::adf5:3adc 2803:f800:50::6ca2:c0dc 2a06:98c1:50::ac40:20dc	serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.ns.cloudflare.com serena.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 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.49.31	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.140.131	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mxscanner2.hostingservice2.dk	—	—	—

🔷 AAAA Records (IPv6)#

2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:311f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:8c83	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 46ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.49.31,172.67.140.131 ech=AEX+DQBBIwAgACCqF5MjfnuLnsMBGJZZzPSU44oA5njwftU81TbcHdbvXwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:311f,2606:4700:3037::ac43:8c83

📝 TXT Records#

1 records 179ms

TXT Record
ungdomsskoler.azurewebsites.net

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-23 04:35:10

www	104.21.49.31 172.67.140.131 2606:4700:3034::6815:311f 2606:4700:3037::ac43:8c83 (AS13335) (address records, no CNAME)
www vs bare domain	Same network kalusk.dk: 104.21.49.31 172.67.140.131 2606:4700:3034::6815:311f 2606:4700:3037::ac43:8c83 (AS13335) www.kalusk.dk: 104.21.49.31 172.67.140.131 2606:4700:3034::6815:311f 2606:4700:3037::ac43:8c83 (AS13335)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.kalusk.dk	OHNaRsI6viLW9DnHzOi5uaXvN5UhacdTRW5v97phROk
TXT	_acme-challenge.kalusk.dk	kF-STseJxAm3tM8i13cbutBKT8SasfnSwYZeBBO0SHU

🔗 TLSA / DANE#

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

🔐 DNSSEC#

9077ms

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	2414886876
Primary NS (MNAME)	kip.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 00:03:19

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2000-04-11
Expires	2027-06-30 (249d)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

49ms

36ms

AAAA

47ms

TXT

179ms

CAA

49ms

HTTPS

46ms

TLSA

102ms

SOA

0ms

MTA-STS

52ms

DNSSEC

9077ms

SRV

65ms

Total

9501ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-23 04:35:10	571ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-07 16:45:57	2073ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 15:19:14	765ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 14:25:34	546ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-20 21:31:12	764ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-16 22:50:07 shown	9501ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-09 15:08:22	961ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-03 13:27:24	1336ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-18 08:43:58	3164ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-30 09:51:57	904ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 13:53:49	1899ms	2 NS 2 A 1 MX	⚠️ Bogus