vhf-kursus.dk

📜 Historical scan 2026-09-01 01:15:42 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

vhf-kursus.dk is a .dk domain served by 2 nameservers (fiona.ns.cloudflare.com, matt.ns.cloudflare.com). It was registered on 12 March 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.26.228 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-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 22ms

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 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.26.228	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.139.127	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.pub.mailpod12-cph3.one.com	104.37.34.246	mx1.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	300s	mx2.pub.mailpod12-cph3.one.com	104.37.34.247	mx2.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	300s	mx3.pub.mailpod12-cph3.one.com	104.37.34.248	mx3.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	300s	mx4.pub.mailpod12-cph3.one.com	104.37.34.249	mx4.pub.mailpod12-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.26.228
🔶 Autoconfig	104.21.26.228

🔷 AAAA Records (IPv6)#

2 records 28ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:1ae4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:8b7f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 21ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.26.228,172.67.139.127 ech=AEX+DQBBvAAgACDbcRsueUOUzqLL6O4KsNVVhOdqEDJ1qmUwE57t8WDkaQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:1ae4,2606:4700:3034::ac43:8b7f

📝 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 2026-10-09 06:00:18

www	104.21.26.228 172.67.139.127 2606:4700:3031::6815:1ae4 2606:4700:3034::ac43:8b7f (AS13335) (address records, no CNAME)
www vs bare domain	Same network vhf-kursus.dk: 104.21.26.228 172.67.139.127 2606:4700:3031::6815:1ae4 2606:4700:3034::ac43:8b7f (AS13335) www.vhf-kursus.dk: 104.21.26.228 172.67.139.127 2606:4700:3031::6815:1ae4 2606:4700:3034::ac43:8b7f (AS13335)
Wildcard	Yes: any name under the zone resolves

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.vhf-kursus.dk	KyP5HsXPDFfY_y6rQeGuClv-2g7p8Le5lx1nf4ecYz4
TXT	_acme-challenge.vhf-kursus.dk	u41g_1y7WpYLQTkNvFqwtppJPH7THVxj7yWnwEv6OkI

🔗 TLSA / DANE#

4 records 52ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…

🔐 DNSSEC#

109ms

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	2413698466
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 2026-10-18 02:21:32

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-03-12
Expires	2027-03-11 (138d)

🔗 Same registrant#

8 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
navigationsskolen.dk	Punktum dk A/S (direct)
roccertifikat.dk	Punktum dk A/S (direct)
satellittelefoner.dk	Punktum dk A/S (direct)
vhf-kurser.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)
vhfundervisning.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

22ms

35ms

33ms

AAAA

28ms

TXT

163ms

CAA

25ms

HTTPS

21ms

TLSA

52ms

SOA

0ms

MTA-STS

43ms

DNSSEC

109ms

SRV

57ms

Total

661ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 23:47:26	847ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-24 23:36:08	866ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-23 23:22:57	9638ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-23 22:21:09	935ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-20 12:56:34	1575ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-13 11:35:58	1576ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-05 08:49:10	732ms	2 NS 2 A 4 MX	🔓 Insecure
2026-09-01 01:15:42 shown	661ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-28 01:49:38	831ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-25 23:00:12	2765ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-24 16:40:36	1214ms	2 NS 2 A 4 MX	🔓 Insecure
2026-08-19 06:48:47	6258ms	2 NS 2 A 4 MX	🔓 Insecure
2026-07-17 02:27:15	1196ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-26 13:38:23	1206ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-22 12:24:55	3834ms	2 NS 2 A 4 MX	🔓 Insecure
2026-06-18 08:02:05	1182ms	2 NS 2 A 4 MX	🔓 Insecure