ledelsekurser.dk

📜 Historical scan 2026-10-13 21:49:19 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ledelsekurser.dk is a .dk domain served by 2 nameservers (kallie.ns.cloudflare.com, ryan.ns.cloudflare.com). It was registered on 17 January 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.65.192 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a 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 31ms

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 Records#

2 records 28ms

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 39ms

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 Records#

1 records 40ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.65.192,172.67.165.124 ech=AEX+DQBBMQAgACA/y247e5JDoD0Lch7mj0p0Uie7Z8Z/LCbpIDyspl9aNAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:a57c,2606:4700:3032::6815:41c0

📝 TXT Records#

1 records 171ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 23:23:09

www	104.21.65.192 172.67.165.124 2606:4700:3031::ac43:a57c 2606:4700:3032::6815:41c0 (AS13335) (address records, no CNAME)
www vs bare domain	Same network ledelsekurser.dk: 104.21.65.192 172.67.165.124 2606:4700:3031::ac43:a57c 2606:4700:3032::6815:41c0 (AS13335) www.ledelsekurser.dk: 104.21.65.192 172.67.165.124 2606:4700:3031::ac43:a57c 2606:4700:3032::6815:41c0 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.ledelsekurser.dk	2u5RiKSHhdh5OIk-bCEMsE3tEWNMwgEx0HjwuBelasU
TXT	_acme-challenge.ledelsekurser.dk	umO96WLH9GZP3j6V85dJyWmb_CBtIaCleyD4702T64c

🔗 TLSA / DANE#

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

🔐 DNSSEC#

75ms

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

🏷️ SOA#

44ms

Field	Value
Serial	2417320583
Primary NS (MNAME)	kallie.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 16:13:56

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2024-01-17
Expires	2027-01-16 (84d)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

28ms

AAAA

39ms

TXT

171ms

CAA

27ms

HTTPS

40ms

TLSA

46ms

SOA

44ms

MTA-STS

59ms

DNSSEC

75ms

SRV

57ms

Total

433ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 23:23:09	448ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-13 21:49:19 shown	433ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-12 17:38:33	608ms	2 NS 2 A 0 MX	🔓 Insecure
2026-10-10 15:35:55	2007ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-19 09:17:51	608ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-12 14:56:53	3212ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-20 12:12:32	820ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-27 22:08:55	741ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 18:59:29	2483ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-24 10:25:36	964ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-22 13:29:58	3735ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 00:11:03	1155ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 14:46:21	3289ms	2 NS 2 A 0 MX	🔓 Insecure