etu.dk DNS records

🖥️ Nameservers2 records 47ms

Nameserver	IP addresses	PTR	ASN / ISP
cris.ns.cloudflare.com	108.162.195.202 162.159.44.202 172.64.35.202 2606:4700:58::a29f:2cca 2803:f800:50::6ca2:c3ca 2a06:98c1:50::ac40:23ca	cris.ns.cloudflare.com cris.ns.cloudflare.com cris.ns.cloudflare.com cris.ns.cloudflare.com cris.ns.cloudflare.com cris.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
maria.ns.cloudflare.com	108.162.192.192 172.64.32.192 173.245.58.192 2606:4700:50::adf5:3ac0 2803:f800:50::6ca2:c0c0 2a06:98c1:50::ac40:20c0	maria.ns.cloudflare.com maria.ns.cloudflare.com maria.ns.cloudflare.com maria.ns.cloudflare.com maria.ns.cloudflare.com maria.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.41.167	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.191.186	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:bfba	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:29a7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 48ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.41.167,172.67.191.186 ech=AEX+DQBB8gAgACBMY4PSn/gJiyLpqgUNm+xCw/aMKTI953BV3p5gJgTWYQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:bfba,2606:4700:3036::6815:29a7

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

Policy	Record (_dmarc.etu.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:dmarc_rua@onsecureserver.net;

📬 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)

🔐 DNSSEC138ms

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	2411245764
Primary NS (MNAME)	cris.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

47ms

A

45ms

MX

44ms

AAAA

46ms

TXT

151ms

CAA

46ms

HTTPS

48ms

TLSA

51ms

SOA

0ms

MTA-STS

82ms

DNSSEC

138ms

SRV

8052ms

Total

8571ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-03 20:15:08	8571ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-26 07:28:37	698ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-26 01:22:50	669ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 14:55:50	646ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-19 14:40:55	672ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 08:28:09	421ms	2 NS 2 A 0 MX	🔓 Insecure	View