struktureretsidemandsoplæring.dk xn--struktureretsidemandsoplring-hpc.dk

📜 Historical scan 2026-06-25 17:28:21 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

struktureretsidemandsoplæring.dk is a .dk domain served by 2 nameservers (ariella.ns.cloudflare.com, kareem.ns.cloudflare.com). It was registered on 18 June 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.8.218 is hosted by Cloudflare, Inc. (AS13335). The zone is of unknown DNSSEC status, has no 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 757ms

Nameserver	IP addresses	PTR	ASN / ISP
ariella.ns.cloudflare.com	108.162.194.32 162.159.38.32 172.64.34.32 2606:4700:50::a29f:2620 2803:f800:50::6ca2:c220 2a06:98c1:50::ac40:2220	ariella.ns.cloudflare.com ariella.ns.cloudflare.com ariella.ns.cloudflare.com ariella.ns.cloudflare.com ariella.ns.cloudflare.com ariella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kareem.ns.cloudflare.com	108.162.195.22 162.159.44.22 172.64.35.22 2606:4700:58::a29f:2c16 2803:f800:50::6ca2:c316 2a06:98c1:50::ac40:2316	kareem.ns.cloudflare.com kareem.ns.cloudflare.com kareem.ns.cloudflare.com kareem.ns.cloudflare.com kareem.ns.cloudflare.com kareem.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 744ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.8.218	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.140.71	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 706ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:8c47	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:8da	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 724ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.8.218,172.67.140.71 ech=AEX+DQBBqAAgACDU6WD2/19uz4YCzpkhqeqF+3Q9fNMDmWkvDIXmBzT8KwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:8c47,2606:4700:3037::6815:8da

📝 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-26 21:21:07

www	104.21.8.218 172.67.140.71 2606:4700:3033::ac43:8c47 2606:4700:3037::6815:8da (AS13335) (address records, no CNAME)
www vs bare domain	Same network struktureretsidemandsoplæring.dk: 104.21.8.218 172.67.140.71 2606:4700:3033::ac43:8c47 2606:4700:3037::6815:8da (AS13335) www.struktureretsidemandsoplæring.dk: 104.21.8.218 172.67.140.71 2606:4700:3033::ac43:8c47 2606:4700:3037::6815:8da (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

819ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxdomain

🏷️ SOA#

229ms

Field	Value
Serial	2404115068
Primary NS (MNAME)	ariella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-26 21:42:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-06-18
Expires	2027-06-30 (245d)

🔗 Same registrant#

7 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
champ.dk	Punktum dk A/S (direct)
sidemands-oplæring.dk	Punktum dk A/S (direct)
sidemandsoplæring.dk	Punktum dk A/S (direct)
struktureret-sidemands-oplæring.dk	Punktum dk A/S (direct)
twi4-0.dk	DANDOMAIN A/S
twi4.dk	Punktum dk A/S (direct)
twi5-0.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

757ms

744ms

258ms

AAAA

706ms

TXT

1023ms

CAA

373ms

HTTPS

724ms

TLSA

550ms

SOA

229ms

MTA-STS

281ms

DNSSEC

819ms

SRV

757ms

Total

9664ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-26 21:21:07	493ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-08 21:11:40	870ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 12:10:22	600ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-12 21:29:19	889ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-26 05:41:06	850ms	2 NS 2 A 0 MX	❓ Unknown
2026-08-21 20:01:33	6182ms	2 NS 2 A 0 MX	❓ Unknown
2026-07-11 17:55:38	1096ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-29 22:54:09	845ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-27 07:50:52	1729ms	2 NS 2 A 0 MX	❓ Unknown
2026-06-25 17:28:21 shown	9664ms	2 NS 2 A 0 MX	❓ Unknown
2026-06-25 03:32:51	489ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 17:13:10	939ms	2 NS 2 A 0 MX	❓ Unknown
2026-06-17 14:25:30	2413ms	2 NS 2 A 0 MX	🔒 Secure