kostuddannelse.dk

📜 Historical scan 2026-06-17 17:13:56 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kostuddannelse.dk is a .dk domain served by 2 nameservers (quincy.ns.cloudflare.com, venus.ns.cloudflare.com). It was registered on 15 December 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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 140ms

Nameserver	IP addresses	PTR	ASN / ISP
quincy.ns.cloudflare.com	108.162.195.39 162.159.44.39 172.64.35.39 2606:4700:58::a29f:2c27 2803:f800:50::6ca2:c327 2a06:98c1:50::ac40:2327	quincy.ns.cloudflare.com quincy.ns.cloudflare.com quincy.ns.cloudflare.com quincy.ns.cloudflare.com quincy.ns.cloudflare.com quincy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
venus.ns.cloudflare.com	108.162.192.235 172.64.32.235 173.245.58.235 2606:4700:50::adf5:3aeb 2803:f800:50::6ca2:c0eb 2a06:98c1:50::ac40:20eb	venus.ns.cloudflare.com venus.ns.cloudflare.com venus.ns.cloudflare.com venus.ns.cloudflare.com venus.ns.cloudflare.com venus.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 134ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.38.132	—	—	AS13335	—	—	—	—
172.67.222.243	—	—	AS13335	—	—	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 135ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:def3	—	—	AS13335	—	—	—	—
2606:4700:3034::6815:2684	—	—	AS13335	—	—	—	—

🔐 HTTPS Records#

1 records 105ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.38.132,172.67.222.243 ech=AEX+DQBBgwAgACA0KOPNBqTxhLwg5g8zJrhsSmTaWtcJ+w22tMJDD+Q2UwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:def3,2606:4700:3034::6815:2684

📝 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 2026-10-21 05:09:53

www	104.21.38.132 172.67.222.243 2606:4700:3033::6815:2684 2606:4700:3033::ac43:def3 (AS13335) (address records, no CNAME)
www vs bare domain	Same network kostuddannelse.dk: 104.21.38.132 172.67.222.243 2606:4700:3033::6815:2684 2606:4700:3033::ac43:def3 (AS13335) www.kostuddannelse.dk: 104.21.38.132 172.67.222.243 2606:4700:3033::6815:2684 2606:4700:3033::ac43:def3 (AS13335)
Wildcard	Yes: any name under the zone resolves

🔗 TLSA / DANE#

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

🔐 DNSSEC#

293ms

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

🏷️ SOA#

117ms

Field	Value
Serial	2405646338
Primary NS (MNAME)	quincy.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 17:14:29

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2011-12-15
Expires	2026-12-31 (68d)

🔗 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
birgittenymann.dk	A/S SCANNET
fitnessbychoice.dk	Punktum dk A/S (direct)
fitnessspecialisterne.dk	Punktum dk A/S (direct)
fladmave.dk	Punktum dk A/S (direct)
pausefitness.dk	Punktum dk A/S (direct)
slankespecialisterne.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

140ms

134ms

123ms

AAAA

135ms

TXT

296ms

CAA

282ms

HTTPS

105ms

TLSA

143ms

SOA

117ms

MTA-STS

127ms

DNSSEC

293ms

SRV

0ms

Total

1062ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 05:09:53	660ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-01 08:39:55	2276ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 23:44:25	2046ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-29 23:32:51	480ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-26 02:33:11	641ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-17 16:07:04	2435ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 09:39:18	714ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-30 03:28:41	3269ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-02 10:08:28	3120ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 13:36:55	694ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-23 06:24:53	1128ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 01:34:32	1092ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 17:13:56 shown	1062ms	2 NS 2 A 0 MX	🔓 Insecure