gentoftegymnasium.dk DNS records

🖥️ Nameservers2 records 63ms

Nameserver	IP addresses	PTR	ASN / ISP
nena.ns.cloudflare.com	108.162.194.161 162.159.38.161 172.64.34.161 2606:4700:50::a29f:26a1 2803:f800:50::6ca2:c2a1 2a06:98c1:50::ac40:22a1	nena.ns.cloudflare.com nena.ns.cloudflare.com nena.ns.cloudflare.com nena.ns.cloudflare.com nena.ns.cloudflare.com nena.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
porter.ns.cloudflare.com	108.162.195.243 162.159.44.243 172.64.35.243 2606:4700:58::a29f:2cf3 2803:f800:50::6ca2:c3f3 2a06:98c1:50::ac40:23f3	porter.ns.cloudflare.com porter.ns.cloudflare.com porter.ns.cloudflare.com porter.ns.cloudflare.com porter.ns.cloudflare.com porter.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 80ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.28.30	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.170.55	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	212.237.249.17
🔶 Autoconfig	212.237.249.17

🔷 AAAA Records (IPv6)2 records 87ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:1c1e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:aa37	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 70ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.28.30,172.67.170.55 ech=AEX+DQBBVAAgACAHSHUICxC8t/iQHx3wsFiEKQ08JFPD9rFsEmJ6bo5FEQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:1c1e,2606:4700:3037::ac43:aa37

📝 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)

🔐 DNSSEC92ms

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	2412591273
Primary NS (MNAME)	nena.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

63ms

A

80ms

MX

51ms

AAAA

87ms

TXT

289ms

CAA

86ms

HTTPS

70ms

TLSA

75ms

SOA

0ms

MTA-STS

77ms

DNSSEC

92ms

SRV

124ms

Total

801ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 14:40:12	801ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-19 13:03:53	871ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-06 12:56:02	917ms	2 NS 2 A 0 MX	❓ Unknown	View
2026-06-21 05:12:38	814ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 10:32:37	1148ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 10:28:54	648ms	2 NS 2 A 0 MX	🔓 Insecure	View