etu.dk

📜 Historical scan 2026-08-03 20:15:08 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

etu.dk is a .dk domain served by 2 nameservers (cris.ns.cloudflare.com, maria.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.41.167 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 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 Records#

2 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 Records#

1 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 13:20:19

www	104.21.41.167 172.67.191.186 2606:4700:3034::ac43:bfba 2606:4700:3036::6815:29a7 (AS13335) (address records, no CNAME)
www vs bare domain	Same network etu.dk: 104.21.41.167 172.67.191.186 2606:4700:3034::ac43:bfba 2606:4700:3036::6815:29a7 (AS13335) www.etu.dk: 104.21.41.167 172.67.191.186 2606:4700:3034::ac43:bfba 2606:4700:3036::6815:29a7 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

138ms

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

🏷️ SOA#

0ms

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 yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

47ms

45ms

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
2026-10-09 13:20:19	626ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-02 04:46:38	413ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-27 03:58:33	2947ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-03 20:15:08 shown	8571ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 07:28:37	698ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-26 01:22:50	669ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 14:55:50	646ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-19 14:40:55	672ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 08:28:09	421ms	2 NS 2 A 0 MX	🔓 Insecure