ledelsekurser.dk DNS records

🖥️ Nameservers2 records 156ms

Nameserver	IP addresses	PTR	ASN / ISP
kallie.ns.cloudflare.com	108.162.194.85 162.159.38.85 172.64.34.85 2606:4700:50::a29f:2655 2803:f800:50::6ca2:c255 2a06:98c1:50::ac40:2255	kallie.ns.cloudflare.com kallie.ns.cloudflare.com kallie.ns.cloudflare.com kallie.ns.cloudflare.com kallie.ns.cloudflare.com kallie.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ryan.ns.cloudflare.com	108.162.195.229 162.159.44.229 172.64.35.229 2606:4700:58::a29f:2ce5 2803:f800:50::6ca2:c3e5 2a06:98c1:50::ac40:23e5	ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 140ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.65.192	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.165.124	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 161ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:a57c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::6815:41c0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 137ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.65.192,172.67.165.124 ech=AEX+DQBBTAAgACC4QM4aGDWyLF7M8gQGAUkO3OdQH12RilDABiLY+WpTdQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:a57c,2606:4700:3032::6815:41c0

📝 TXT Records1 records 493ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.ledelsekurser.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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)

🔐 DNSSEC349ms

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

🏷️ SOA0ms

Field	Value
Serial	2411948155
Primary NS (MNAME)	kallie.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

156ms

A

140ms

MX

145ms

AAAA

161ms

TXT

493ms

CAA

177ms

HTTPS

137ms

TLSA

206ms

SOA

0ms

MTA-STS

300ms

DNSSEC

349ms

SRV

284ms

Total

3212ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-12 14:56:53	3212ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-20 12:12:32	820ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-27 22:08:55	741ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 18:59:29	2483ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-24 10:25:36	964ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 13:29:58	3735ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 00:11:03	1155ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 14:46:21	3289ms	2 NS 2 A 0 MX	🔓 Insecure	View