idrætsundervisning.dk DNS records

🖥️ Nameservers2 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
dakota.ns.cloudflare.com	108.162.195.79 162.159.44.79 172.64.35.79 2606:4700:58::a29f:2c4f 2803:f800:50::6ca2:c34f 2a06:98c1:50::ac40:234f	dakota.ns.cloudflare.com dakota.ns.cloudflare.com dakota.ns.cloudflare.com dakota.ns.cloudflare.com dakota.ns.cloudflare.com dakota.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
hadlee.ns.cloudflare.com	108.162.194.67 162.159.38.67 172.64.34.67 2606:4700:50::a29f:2643 2803:f800:50::6ca2:c243 2a06:98c1:50::ac40:2243	hadlee.ns.cloudflare.com hadlee.ns.cloudflare.com hadlee.ns.cloudflare.com hadlee.ns.cloudflare.com hadlee.ns.cloudflare.com hadlee.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.87.42	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.140.144	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.87.42
🔶 Autoconfig	172.67.140.144

🔷 AAAA Records (IPv6)2 records 55ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:8c90	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:572a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 36ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.87.42,172.67.140.144 ech=AEX+DQBBmgAgACD5idu/8YisJYN71y7dIfmC8zhZJt4K4vFs1eLqFApNZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8c90,2606:4700:3037::6815:572a

📝 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

🔗 TLSA / DANE

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

🔐 DNSSEC94ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2412626749
Primary NS (MNAME)	dakota.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

37ms

A

43ms

MX

46ms

AAAA

55ms

TXT

349ms

CAA

77ms

HTTPS

36ms

TLSA

120ms

SOA

0ms

MTA-STS

101ms

DNSSEC

94ms

SRV

87ms

Total

1576ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 22:13:54	1576ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-19 17:25:20	983ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-08 01:08:39	989ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-26 23:33:59	916ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-19 20:14:40	707ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-03 20:45:35	6005ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-25 04:33:53	943ms	2 NS 2 A 0 MX	⚠️ Bogus	View
2026-06-21 07:30:23	589ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-19 03:32:27	1425ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-17 14:32:52	363ms	0 NS 0 A 0 MX	❓ Unknown	View