koldingbørnehøjskole.dk DNS records

🖥️ Nameservers2 records 51ms

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 Records2 records 48ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.58.205	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.164.167	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.58.205
🔶 Autoconfig	104.21.58.205

🔷 AAAA Records (IPv6)2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:3acd	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:a4a7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 38ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.58.205,172.67.164.167 ech=AEX+DQBBBwAgACCNba8jf478l+kk3w1Lyy4xZIKgrcaFy+HzK35vjN3TRQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3acd,2606:4700:3036::ac43:a4a7

📝 TXT Records1 records 213ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.koldingbørnehøjskole.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:70bcce7d39ab464c95239e401ff97e66@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

🔗 TLSA / DANE

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

🔐 DNSSEC90ms

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

🏷️ SOA0ms

Field	Value
Serial	2413052339
Primary NS (MNAME)	leia.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

51ms

A

48ms

MX

48ms

AAAA

42ms

TXT

213ms

CAA

56ms

HTTPS

38ms

TLSA

64ms

SOA

0ms

MTA-STS

69ms

DNSSEC

90ms

SRV

94ms

Total

1064ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 15:30:59	1064ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-31 22:05:34	8714ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-18 06:19:14	1091ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-09 01:49:09	1156ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-07-01 00:29:42	782ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-25 13:19:21	960ms	2 NS 2 A 0 MX	⚠️ Bogus	View
2026-06-25 09:16:27	5039ms	2 NS 2 A 0 MX	⚠️ Bogus	View
2026-06-24 13:22:27	293ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-24 10:50:59	4743ms	2 NS 2 A 0 MX	⚠️ Bogus	View
2026-06-24 05:01:34	365ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 07:00:11	1186ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 06:50:16	1945ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-17 20:02:06	760ms	2 NS 2 A 0 MX	🔒 Secure	View