katost.dk DNS records

🖥️ Nameservers2 records 26ms

Nameserver	IP addresses	PTR	ASN / ISP
noel.ns.cloudflare.com	108.162.193.216 172.64.33.216 173.245.59.216 2606:4700:58::adf5:3bd8 2803:f800:50::6ca2:c1d8 2a06:98c1:50::ac40:21d8	noel.ns.cloudflare.com noel.ns.cloudflare.com noel.ns.cloudflare.com noel.ns.cloudflare.com noel.ns.cloudflare.com noel.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ulla.ns.cloudflare.com	108.162.192.233 172.64.32.233 173.245.58.233 2606:4700:50::adf5:3ae9 2803:f800:50::6ca2:c0e9 2a06:98c1:50::ac40:20e9	ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.3.198	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.131.37	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 36ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:3c6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:8325	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 26ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.3.198,172.67.131.37 ech=AEX+DQBB5wAgACAf3Cnp4KdxLdpcZxY5+OMxaWYElJM4rLNCjYsrQMoCfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:3c6,2606:4700:3033::ac43:8325

📝 TXT Records

📝

No TXT records found

✉️ 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.katost.dk	GcEzUi0i_NXEpSoZkbWN9fgoM7DrqNVE-KPBBU8d9MI
TXT	_acme-challenge.katost.dk	fdfXeVqpc_kuzU0PRpDHfALSInPkXWhjOHPYzjxlxDM

🔗 TLSA / DANE

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

🔐 DNSSEC100ms

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

🏷️ SOA0ms

Field	Value
Serial	2413815189
Primary NS (MNAME)	noel.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

26ms

A

29ms

MX

21ms

AAAA

36ms

TXT

131ms

CAA

22ms

HTTPS

26ms

TLSA

42ms

SOA

0ms

MTA-STS

44ms

DNSSEC

100ms

SRV

53ms

Total

474ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 07:15:55	474ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-24 17:30:17	862ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-28 04:46:51	1294ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-26 19:00:43	801ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-24 17:08:45	1014ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-24 01:24:13	779ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 16:19:29	721ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 21:06:07	1095ms	2 NS 2 A 0 MX	🔓 Insecure	View