kool.dk DNS records

🖥️ Nameservers2 records 240ms

Nameserver	IP addresses	PTR	ASN / ISP
mona.ns.cloudflare.com	108.162.192.206 172.64.32.206 173.245.58.206 2606:4700:50::adf5:3ace 2803:f800:50::6ca2:c0ce 2a06:98c1:50::ac40:20ce	mona.ns.cloudflare.com mona.ns.cloudflare.com mona.ns.cloudflare.com mona.ns.cloudflare.com mona.ns.cloudflare.com mona.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
stan.ns.cloudflare.com	108.162.193.235 172.64.33.235 173.245.59.235 2606:4700:58::adf5:3beb 2803:f800:50::6ca2:c1eb 2a06:98c1:50::ac40:21eb	stan.ns.cloudflare.com stan.ns.cloudflare.com stan.ns.cloudflare.com stan.ns.cloudflare.com stan.ns.cloudflare.com stan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 293ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.85.143	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.206.168	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records3 records 307ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	isaac.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
16	300s	amir.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
55	300s	linda.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)2 records 299ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:558f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:cea8	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 308ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBswAgACCtzfl+JLJmLUjZC1ZCnYHzuwbLlQguO5mcGuxGsJs9PwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1

📝 TXT Records1 records 571ms

TXT Record
v=spf1 include:_spf.mx.cloudflare.net include:_spf.google.com ~all

✉️ SPF

Policy	Record (kool.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net include:_spf.google.com ~all

📨 DMARC

Policy	Record (_dmarc.kool.dk)
p=reject	v=DMARC1; p=reject; pct=100

📬 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

🔗 TLSA / DANE9 records 399ms

Service / Owner	Type	Cert association
SMTP _25._tcp.amir.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.amir.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.amir.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.isaac.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.isaac.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.isaac.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.linda.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.linda.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.linda.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…

🔐 DNSSEC430ms

Check	Result
Validation Status	⚠️ Bogus
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	broken trust chain resolving 'kool.dk/DNSKEY/IN': 127.0.0.1#53

🏷️ SOA315ms

Field	Value
Serial	2407072799
Primary NS (MNAME)	mona.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

240ms

A

293ms

MX

307ms

AAAA

299ms

TXT

571ms

CAA

208ms

HTTPS

308ms

TLSA

399ms

SOA

315ms

MTA-STS

284ms

DNSSEC

430ms

SRV

330ms

Total

3879ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 18:27:49	829ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-27 18:24:42	1691ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-08 03:48:23	1770ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-15 04:42:03	2203ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-11 17:20:17	9409ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-28 18:54:35	1276ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-20 16:20:47	3879ms	2 NS 2 A 3 MX	⚠️ Bogus	View
2026-06-18 03:55:59	1219ms	2 NS 2 A 3 MX	🔒 Secure	View