kalundborgfriskole.dk

📜 Historical scan 2026-08-17 06:45:45 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

kalundborgfriskole.dk is a .dk domain served by 2 nameservers (bella.ns.cloudflare.com, mark.ns.cloudflare.com). It was registered on 26 February 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.24.171 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by front-lvs.scannet.dk. 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 176ms

Nameserver	IP addresses	PTR	ASN / ISP
bella.ns.cloudflare.com	108.162.192.74 172.64.32.74 173.245.58.74 2606:4700:50::adf5:3a4a 2803:f800:50::6ca2:c04a 2a06:98c1:50::ac40:204a	bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com bella.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mark.ns.cloudflare.com	108.162.193.130 172.64.33.130 173.245.59.130 2606:4700:58::adf5:3b82 2803:f800:50::6ca2:c182 2a06:98c1:50::ac40:2182	mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.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 192ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.24.171	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.219.195	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 181ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	front-lvs.scannet.dk	46.36.212.34 46.36.212.36 46.36.212.37 46.36.212.38 89.188.78.64 89.188.78.65 89.188.78.66 94.231.106.12	node4.spamfilter.io node8.spamfilter.io node6.spamfilter.io node7.spamfilter.io node3.spamfilter.io node9.spamfilter.io node10.spamfilter.io node2.spamfilter.io	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)#

2 records 174ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:18ab	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:dbc3	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 184ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.24.171,172.67.219.195 ech=AEX+DQBBGgAgACAlrhwDdXgS4SBnNgyWFficpWKBI07BotE5tCun6c0VHgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:18ab,2606:4700:3035::ac43:dbc3

📝 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 14:57:03

www	104.21.24.171 172.67.219.195 2606:4700:3031::6815:18ab 2606:4700:3035::ac43:dbc3 (AS13335) (address records, no CNAME)
www vs bare domain	Same network kalundborgfriskole.dk: 104.21.24.171 172.67.219.195 2606:4700:3031::6815:18ab 2606:4700:3035::ac43:dbc3 (AS13335) www.kalundborgfriskole.dk: 104.21.24.171 172.67.219.195 2606:4700:3031::6815:18ab 2606:4700:3035::ac43:dbc3 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.kalundborgfriskole.dk	cuB-XR5gNZ0OvKzEDd8LfGJc6K6FNeUBRJ5IpU2_PKw
TXT	_acme-challenge.kalundborgfriskole.dk	YTo7WHseJTuQFBDXg6KNUNnGH0KIFu9h-_HYNv3PWqk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

375ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412392828
Primary NS (MNAME)	bella.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-20 11:14:31

Field	Value
Registrar	CURANET A/S
Registered	2001-02-26
Expires	2027-03-31 (157d)

🔗 Same registrant#

1 domain

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
kalfri.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

176ms

192ms

181ms

AAAA

174ms

TXT

458ms

CAA

205ms

HTTPS

184ms

TLSA

281ms

SOA

0ms

MTA-STS

234ms

DNSSEC

375ms

SRV

255ms

Total

4482ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-21 14:57:02	2257ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-20 10:41:42	486ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 04:05:23	763ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 03:34:21	749ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-04 19:00:22	920ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-23 17:45:20	9609ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-22 17:05:11	3282ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-18 13:08:12	1350ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-17 06:45:45 shown	4482ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-14 16:17:52	5962ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-13 02:37:25	9982ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-10 05:18:29	1467ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-26 13:10:37	1019ms	2 NS 2 A 1 MX	❓ Unknown
2026-07-16 17:50:34	1211ms	2 NS 2 A 1 MX	❓ Unknown
2026-06-23 03:40:47	4928ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-18 06:41:49	1260ms	2 NS 2 A 1 MX	🔓 Insecure