vhfundervisning.dk

📜 Historical scan 2026-08-17 09:57:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

vhfundervisning.dk is a .dk domain served by 2 nameservers (fiona.ns.cloudflare.com, matt.ns.cloudflare.com). It was registered on 14 April 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.58.238 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is not DNSSEC-signed, 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 229ms

Nameserver	IP addresses	PTR	ASN / ISP
fiona.ns.cloudflare.com	108.162.192.157 172.64.32.157 173.245.58.157 2606:4700:50::adf5:3a9d 2803:f800:50::6ca2:c09d 2a06:98c1:50::ac40:209d	fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com fiona.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
matt.ns.cloudflare.com	108.162.193.131 172.64.33.131 173.245.59.131 2606:4700:58::adf5:3b83 2803:f800:50::6ca2:c183 2a06:98c1:50::ac40:2183	matt.ns.cloudflare.com matt.ns.cloudflare.com matt.ns.cloudflare.com matt.ns.cloudflare.com matt.ns.cloudflare.com matt.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 229ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.58.238	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.166.66	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 226ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.pub.mailpod11-cph3.one.com	104.37.34.230	mx1.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx2.pub.mailpod11-cph3.one.com	104.37.34.231	mx2.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx3.pub.mailpod11-cph3.one.com	104.37.34.232	mx3.pub.mailpod11-cph3.one.com	AS51468 One.com A/S
10	300s	mx4.pub.mailpod11-cph3.one.com	104.37.34.233	mx4.pub.mailpod11-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records 232ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:3aee	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:a642	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 226ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.58.238,172.67.166.66 ech=AEX+DQBBRAAgACATo2MQ2EBhFS/D6EQIitqKry8bfIWlpzqgTgHLoTIbMwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:3aee,2606:4700:3035::ac43:a642

📝 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 2026-10-14 15:11:14

www	104.21.58.238 172.67.166.66 2606:4700:3032::6815:3aee 2606:4700:3035::ac43:a642 (AS13335) (address records, no CNAME)
www vs bare domain	Same network vhfundervisning.dk: 104.21.58.238 172.67.166.66 2606:4700:3032::6815:3aee 2606:4700:3035::ac43:a642 (AS13335) www.vhfundervisning.dk: 104.21.58.238 172.67.166.66 2606:4700:3032::6815:3aee 2606:4700:3035::ac43:a642 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

4 records 330ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	068A81EDC98C58D5D494EDF2924D5F50…

🔐 DNSSEC#

424ms

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	2412339091
Primary NS (MNAME)	fiona.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 12:40:24

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-04-14
Expires	2027-04-13 (176d)

🔗 Same registrant#

6 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
roccertifikat.dk	Punktum dk A/S (direct)
vhf-kurser.dk	Punktum dk A/S (direct)
vhf-kursus.dk	Punktum dk A/S (direct)
vhfradioer.dk	Punktum dk A/S (direct)
vhfshop.dk	A/S SCANNET
vhfskolen.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

229ms

226ms

AAAA

232ms

TXT

511ms

CAA

218ms

HTTPS

226ms

TLSA

330ms

SOA

0ms

MTA-STS

286ms

DNSSEC

424ms

SRV

275ms

Total

3698ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 15:11:14	519ms	2 NS 2 A 4 MX	🔓 Insecure
2026-10-13 12:28:20	898ms	2 NS 2 A 4 MX	🔓 Insecure
2026-10-04 02:13:25	864ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-24 00:05:49	770ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-17 09:57:26 shown	3698ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-14 22:04:23	1452ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-05 21:48:39	1249ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-26 17:33:42	1002ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-17 11:34:22	1145ms	2 NS 2 A 4 MX	🔓 Insecure