detblågymnasium.dk DNS records

🖥️ Nameservers2 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
darwin.ns.cloudflare.com	108.162.193.151 172.64.33.151 173.245.59.151 2606:4700:58::adf5:3b97 2803:f800:50::6ca2:c197 2a06:98c1:50::ac40:2197	darwin.ns.cloudflare.com darwin.ns.cloudflare.com darwin.ns.cloudflare.com darwin.ns.cloudflare.com darwin.ns.cloudflare.com darwin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
fiona.ns.cloudflare.com	108.162.192.157 172.64.32.157 173.245.58.157 2606:4700:50::adf5:3a9d 2803:f800:50::6ca2:c09d 2a06:98c1:50::ac40:209d	fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.92.11	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.184.125	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	185.21.41.103
🔶 Autoconfig	185.21.41.103

🔷 AAAA Records (IPv6)2 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:b87d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:5c0b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 47ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.21.92.11,172.67.184.125 ech=AEX+DQBBfAAgACAgzdUZsHy0NM6Mbf5FEAtDcPVFzGIGE2L/zRgCeqwwAQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:b87d,2606:4700:3034::6815:5c0b

📝 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)

🔐 DNSSEC134ms

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	2410799536
Primary NS (MNAME)	darwin.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

52ms

A

31ms

MX

51ms

AAAA

35ms

TXT

141ms

CAA

47ms

HTTPS

47ms

TLSA

112ms

SOA

0ms

MTA-STS

95ms

DNSSEC

134ms

SRV

89ms

Total

708ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-01 10:13:10	708ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-16 01:36:03	1094ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-02 01:41:51	703ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 02:23:44	317ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-17 02:21:30	390ms	2 NS 2 A 0 MX	🔒 Secure	View