kajak-undervisning.dk DNS records

🖥️ Nameservers2 records 60ms

Nameserver	IP addresses	PTR	ASN / ISP
brad.ns.cloudflare.com	108.162.193.105 172.64.33.105 173.245.59.105 2606:4700:58::adf5:3b69 2803:f800:50::6ca2:c169 2a06:98c1:50::ac40:2169	brad.ns.cloudflare.com brad.ns.cloudflare.com brad.ns.cloudflare.com brad.ns.cloudflare.com brad.ns.cloudflare.com brad.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kelly.ns.cloudflare.com	108.162.194.91 162.159.38.91 172.64.34.91 2606:4700:50::a29f:265b 2803:f800:50::6ca2:c25b 2a06:98c1:50::ac40:225b	kelly.ns.cloudflare.com kelly.ns.cloudflare.com kelly.ns.cloudflare.com kelly.ns.cloudflare.com kelly.ns.cloudflare.com kelly.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 46ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.13.155	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.200.162	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 50ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:d9b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::ac43:c8a2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 52ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.13.155,172.67.200.162 ech=AEX+DQBBzwAgACBTSB3apXixaEI71fZoMKUzij6ilRhhH7A4KRauzohfNQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:d9b,2606:4700:3032::ac43:c8a2

📝 TXT Records1 records 212ms

TXT Record
google-site-verification=Goid-zg3Vz3XWbjQn6It2wVhqHaJSKJNYxYXkCrs-8c

✉️ 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

🔗 TLSA / DANE

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

🔐 DNSSEC122ms

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	2413250126
Primary NS (MNAME)	brad.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

60ms

A

46ms

MX

30ms

AAAA

50ms

TXT

212ms

CAA

33ms

HTTPS

52ms

TLSA

88ms

SOA

0ms

MTA-STS

85ms

DNSSEC

122ms

SRV

74ms

Total

701ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 03:56:38	701ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-27 02:08:51	543ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-26 18:53:58	513ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-09 06:45:58	8953ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-30 03:24:46	743ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-30 01:25:29	760ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 21:57:59	780ms	2 NS 2 A 0 MX	🔓 Insecure	View