naturfagsakademiet.dk DNS records

🖥️ Nameservers2 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
craig.ns.cloudflare.com	108.162.195.192 162.159.44.192 172.64.35.192 2606:4700:58::a29f:2cc0 2803:f800:50::6ca2:c3c0 2a06:98c1:50::ac40:23c0	craig.ns.cloudflare.com craig.ns.cloudflare.com craig.ns.cloudflare.com craig.ns.cloudflare.com craig.ns.cloudflare.com craig.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
katja.ns.cloudflare.com	108.162.194.53 162.159.38.53 172.64.34.53 2606:4700:50::a29f:2635 2803:f800:50::6ca2:c235 2a06:98c1:50::ac40:2235	katja.ns.cloudflare.com katja.ns.cloudflare.com katja.ns.cloudflare.com katja.ns.cloudflare.com katja.ns.cloudflare.com katja.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
104.21.23.210	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.213.166	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.213.166
🔶 Autoconfig	104.21.23.210

🔷 AAAA Records (IPv6)2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::ac43:d5a6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:17d2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 30ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.23.210,172.67.213.166 ech=AEX+DQBBMwAgACAgxhomKHehEW58NJqh4dTyKWEWuazzuXDGTTnRaCl5ZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:d5a6,2606:4700:3037::6815:17d2

📝 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)

🔐 DNSSEC111ms

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

🏷️ SOA0ms

Field	Value
Serial	2413240432
Primary NS (MNAME)	craig.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

36ms

A

29ms

MX

36ms

AAAA

32ms

TXT

167ms

CAA

27ms

HTTPS

30ms

TLSA

52ms

SOA

0ms

MTA-STS

74ms

DNSSEC

111ms

SRV

66ms

Total

534ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 13:16:11	534ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-24 04:52:51	1069ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-23 03:41:33	908ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-19 00:15:59	9014ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-15 20:16:08	979ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-03 01:59:13	1037ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-10 21:30:50	16623ms	2 NS 2 A 0 MX	❓ Unknown	View
2026-06-25 11:45:50	1371ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-18 06:05:20	679ms	2 NS 2 A 0 MX	🔓 Insecure	View