estur.dk

📜 Historical scan 2026-08-23 06:32:12 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

estur.dk is a .dk domain served by 2 nameservers (maciej.ns.cloudflare.com, mckenzie.ns.cloudflare.com). It was registered on 22 September 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.17.250 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.estur.dk. 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 376ms

Nameserver	IP addresses	PTR	ASN / ISP
maciej.ns.cloudflare.com	108.162.195.42 162.159.44.42 172.64.35.42 2606:4700:58::a29f:2c2a 2803:f800:50::6ca2:c32a 2a06:98c1:50::ac40:232a	maciej.ns.cloudflare.com maciej.ns.cloudflare.com maciej.ns.cloudflare.com maciej.ns.cloudflare.com maciej.ns.cloudflare.com maciej.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mckenzie.ns.cloudflare.com	108.162.194.253 162.159.38.253 172.64.34.253 2606:4700:50::a29f:26fd 2803:f800:50::6ca2:c2fd 2a06:98c1:50::ac40:22fd	mckenzie.ns.cloudflare.com mckenzie.ns.cloudflare.com mckenzie.ns.cloudflare.com mckenzie.ns.cloudflare.com mckenzie.ns.cloudflare.com mckenzie.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 282ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.17.250	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.178.234	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 298ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.estur.dk	62.171.190.255	mixx2.leartes.net	AS51167 Contabo GmbH

🔷 AAAA Records (IPv6)#

2 records 314ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:11fa	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:b2ea	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 326ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.17.250,172.67.178.234 ech=AEX+DQBBVAAgACAvH4GWmM0WJxC9Lr8eGkR0vyKTpyDVYC0+rHReg6/VQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:11fa,2606:4700:3036::ac43:b2ea

📝 TXT Records#

1 records 1385ms

TXT Record
v=spf1 a:mixx2.leartes.net ip4:62.171.190.255 -all

✉️ SPF#

Policy	Record (estur.dk)
-all (hard fail)	v=spf1 a:mixx2.leartes.net ip4:62.171.190.255 -all

📨 DMARC#

Policy	Record (_dmarc.estur.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=s; aspf=s

📬 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 2026-10-10 08:23:20

www	104.21.17.250 172.67.178.234 2606:4700:3033::6815:11fa 2606:4700:3036::ac43:b2ea (AS13335) (address records, no CNAME)
www vs bare domain	Same network estur.dk: 104.21.17.250 172.67.178.234 2606:4700:3033::6815:11fa 2606:4700:3036::ac43:b2ea (AS13335) www.estur.dk: 104.21.17.250 172.67.178.234 2606:4700:3033::6815:11fa 2606:4700:3036::ac43:b2ea (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

611ms

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	2412870312
Primary NS (MNAME)	maciej.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 09:06:38

Field	Value
Registrar	ONE.COM A/S
Registered	2025-09-22
Expires	2027-09-21 (338d)

📋 WHOIS#

⏱️ Lookup Timing#

376ms

282ms

298ms

AAAA

314ms

TXT

1385ms

CAA

313ms

HTTPS

326ms

TLSA

542ms

SOA

0ms

MTA-STS

480ms

DNSSEC

611ms

SRV

398ms

Total

7378ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 08:23:20	3580ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 15:01:10	3623ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 05:16:52	847ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 03:39:13	2463ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 22:59:33	709ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-29 21:36:51	1379ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-28 15:53:33	1194ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-26 13:36:25	1016ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-23 06:32:12 shown	7378ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-31 13:15:57	1678ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 06:38:39	897ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-23 02:30:41	1186ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-20 18:33:33	787ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 08:26:34	2452ms	2 NS 2 A 1 MX	🔓 Insecure