fagkursus.dk

📜 Historical scan 2026-09-17 11:03:01 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fagkursus.dk is a .dk domain served by 2 nameservers (aarav.ns.cloudflare.com, addilyn.ns.cloudflare.com). It was registered on 24 November 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.77.178 is hosted by Cloudflare, Inc. (AS13335). 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 117ms

Nameserver	IP addresses	PTR	ASN / ISP
aarav.ns.cloudflare.com	108.162.195.60 162.159.44.60 172.64.35.60 2606:4700:58::a29f:2c3c 2803:f800:50::6ca2:c33c 2a06:98c1:50::ac40:233c	aarav.ns.cloudflare.com aarav.ns.cloudflare.com aarav.ns.cloudflare.com aarav.ns.cloudflare.com aarav.ns.cloudflare.com aarav.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
addilyn.ns.cloudflare.com	108.162.194.217 162.159.38.217 172.64.34.217 2606:4700:50::a29f:26d9 2803:f800:50::6ca2:c2d9 2a06:98c1:50::ac40:22d9	addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.ns.cloudflare.com addilyn.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 109ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.77.178	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.210.235	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	172.67.210.235
🔶 Autoconfig	172.67.210.235

🔷 AAAA Records (IPv6)#

2 records 127ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:4db2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:d2eb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 83ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.77.178,172.67.210.235 ech=AEX+DQBB6wAgACDQtwa7mn8iB+M9TD+HjKOOhdulaOu8NxRIdC6yJeogCAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:4db2,2606:4700:3036::ac43:d2eb

📝 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 2026-10-10 02:52:19

www	104.21.77.178 172.67.210.235 2606:4700:3030::6815:4db2 2606:4700:3036::ac43:d2eb (AS13335) (address records, no CNAME)
www vs bare domain	Same network fagkursus.dk: 188.114.96.1 188.114.97.1 2606:4700:3030::6815:4db2 2606:4700:3036::ac43:d2eb (AS13335) www.fagkursus.dk: 104.21.77.178 172.67.210.235 2606:4700:3030::6815:4db2 2606:4700:3036::ac43:d2eb (AS13335)
Wildcard	Yes: any name under the zone resolves

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.fagkursus.dk	a0k5cwitv5eHuVd3DUVDO0XHeuh3IUJcq4Pe7wvTA8E
TXT	_acme-challenge.fagkursus.dk	j6iuqbk2TFxJxrM-PquHm17lcK43jt0b0JotXYzYVdY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

157ms

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	2414906956
Primary NS (MNAME)	aarav.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-21 05:10:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2009-11-24
Expires	2026-11-30 (40d)

🔗 Same registrant#

12 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
din-fritid.dk	Punktum dk A/S (direct)
faellesfritid.dk	Punktum dk A/S (direct)
fo.dk	Punktum dk A/S (direct)
fora.dk	Punktum dk A/S (direct)
frederikshavnvaevestue.dk	Punktum dk A/S (direct)
knivkurser.dk	Punktum dk A/S (direct)
koenghusflid.dk	Punktum dk A/S (direct)
kreativevendelboere.dk	Punktum dk A/S (direct)
oplysningsforbund.dk	Punktum dk A/S (direct)
seniorhojskolenmidtfyn.dk	Punktum dk A/S (direct)
seniorhøjskolenmidtfyn.dk	Punktum dk A/S (direct)
vaevekurser.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

117ms

109ms

104ms

AAAA

127ms

TXT

286ms

CAA

107ms

HTTPS

83ms

TLSA

1042ms

SOA

0ms

MTA-STS

116ms

DNSSEC

157ms

SRV

141ms

Total

1906ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 23:24:38	587ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-26 18:01:29	684ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-20 04:43:50	676ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-17 11:03:01 shown	1906ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-29 21:42:29	10329ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-18 05:44:36	9228ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-02 01:18:30	897ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 09:11:45	885ms	2 NS 2 A 0 MX	🔓 Insecure