koldingboernehoejskole.dk

Records from scan: 2026-10-13 08:02:41 · 459ms total · last checked 2026-10-24 01:36 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

koldingboernehoejskole.dk is a .dk domain served by 2 nameservers (leia.ns.cloudflare.com, lou.ns.cloudflare.com). It was registered on 6 October 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.40.140 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
leia.ns.cloudflare.com	108.162.192.184 172.64.32.184 173.245.58.184 2606:4700:50::adf5:3ab8 2803:f800:50::6ca2:c0b8 2a06:98c1:50::ac40:20b8	leia.ns.cloudflare.com leia.ns.cloudflare.com leia.ns.cloudflare.com leia.ns.cloudflare.com leia.ns.cloudflare.com leia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lou.ns.cloudflare.com	108.162.193.199 172.64.33.199 173.245.59.199 2606:4700:58::adf5:3bc7 2803:f800:50::6ca2:c1c7 2a06:98c1:50::ac40:21c7	lou.ns.cloudflare.com lou.ns.cloudflare.com lou.ns.cloudflare.com lou.ns.cloudflare.com lou.ns.cloudflare.com lou.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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.40.140	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.186.229	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	104.21.40.140
🔶 Autoconfig	104.21.40.140

🔷 AAAA Records (IPv6)#

2 records 24ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:288c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:bae5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.40.140,172.67.186.229 ech=AEX+DQBBwQAgACBjaO3MMnpCPO/UxmrIwMMeE5TPjPLpO47U+eKV0BV2QAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:288c,2606:4700:3037::ac43:bae5

📝 TXT Records#

1 records 182ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (koldingboernehoejskole.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.koldingboernehoejskole.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:8c290b022b1f42c4b43b837f78df7b62@dmarc-reports.cloudflare.net

📬 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#

checked 2026-10-13 08:02:41

www	104.21.40.140 172.67.186.229 2606:4700:3033::6815:288c 2606:4700:3037::ac43:bae5 (AS13335) (address records, no CNAME)
www vs bare domain	Same network koldingboernehoejskole.dk: 104.21.40.140 172.67.186.229 2606:4700:3033::6815:288c 2606:4700:3037::ac43:bae5 (AS13335) www.koldingboernehoejskole.dk: 104.21.40.140 172.67.186.229 2606:4700:3033::6815:288c 2606:4700:3037::ac43:bae5 (AS13335)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

51ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

42ms

Field	Value
Serial	2417287831
Primary NS (MNAME)	leia.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-05 17:55:12

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2021-10-06
Expires	2027-10-05 (345d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

41ms

35ms

AAAA

24ms

TXT

182ms

CAA

38ms

HTTPS

34ms

TLSA

60ms

SOA

42ms

MTA-STS

40ms

DNSSEC

51ms

SRV

68ms

Total

459ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 08:02:41 shown	459ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-07 18:00:13	475ms	2 NS 2 A 0 MX	🔒 Secure
2026-10-03 06:15:20	518ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-22 23:17:47	1269ms	2 NS 2 A 0 MX	🔒 Secure
2026-09-10 02:38:44	2410ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-26 10:48:29	596ms	2 NS 2 A 0 MX	🔒 Secure
2026-08-05 12:50:36	1894ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-21 03:28:12	791ms	2 NS 2 A 0 MX	🔒 Secure
2026-07-08 22:10:50	1726ms	2 NS 2 A 0 MX	🔒 Secure
2026-06-17 21:06:20	654ms	2 NS 2 A 0 MX	🔒 Secure