vhfundervisning.dk

📜 Historical scan 2026-06-26 17:33:42 · ← 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 39ms

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 32ms

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 43ms

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 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:a642	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:3aee	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.58.238,172.67.166.66 ech=AEX+DQBB+wAgACCx9hEFPeyumjZ4BbRGdK4KPzZKxLkKj7wnGup8Lg1GfwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:a642,2606:4700:3034::6815:3aee

📝 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 61ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…
SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com	DANE-EE · SPKI · SHA-256	00E55642F312E05CDB899B1433EDF47F…

🔐 DNSSEC#

66ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2406318294
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 (174d)

🔗 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
roccertifikat.dk	Punktum dk A/S (direct)
satellittelefoner.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#

39ms

32ms

43ms

AAAA

42ms

TXT

241ms

CAA

33ms

HTTPS

34ms

TLSA

61ms

SOA

40ms

MTA-STS

47ms

DNSSEC

66ms

SRV

68ms

Total

1002ms

🕐 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	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 shown	1002ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-17 11:34:22	1145ms	2 NS 2 A 4 MX	🔓 Insecure