vhfundervisning.dk

📜 Historical scan 2026-08-14 22:04:23  ·  ← 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   35ms
NameserverIP addressesPTRASN / 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   49ms
IPTTLPTRASNISP / OrgCIDRCountryCity
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   33ms
PriorityTTLMail ServerIP addressesPTRASN
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   33ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
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   57ms
PriorityTargetSvcParams
1 service . alpn="h3,h2" ipv4hint=104.21.58.238,172.67.166.66 ech=AEX+DQBBMAAgACDyfihP2LKm/0hDolBkx9R4ybtJ0zo8NFCdjUZsgKXAHwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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
www104.21.58.238 172.67.166.66 2606:4700:3032::6815:3aee 2606:4700:3035::ac43:a642 (AS13335) (address records, no CNAME)
www vs bare domainSame network
WildcardNo

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.vhfundervisning.dk NAgPQFAkQntezR2RiW_EcWQaUEDz9hV0ZsVaOXVPHmY
TXT _acme-challenge.vhfundervisning.dk o2bXQ8PaV8ZPs7L-mdzFGYrGl0AlyM8jAzhKEYQy0Gw

🔗 TLSA / DANE#

4 records   175ms
Service / OwnerTypeCert 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#

126ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2412204200
Primary NS (MNAME)fiona.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-13 12:40:24
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2023-04-14
Expires2027-04-13 (177d)

🔗 Same registrant#

4 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).

DomainRegistrar
roccertifikat.dkPunktum dk A/S (direct)
vhf-kurser.dkPunktum dk A/S (direct)
vhfshop.dkA/S SCANNET
vhfskolen.dkPunktum dk A/S (direct)
📋 WHOIS#

⏱️ Lookup Timing#

NS
35ms
A
49ms
MX
33ms
AAAA
33ms
TXT
161ms
CAA
55ms
HTTPS
57ms
TLSA
175ms
SOA
0ms
MTA-STS
74ms
DNSSEC
126ms
SRV
74ms
Total
1452ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 shown 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone