kursusbyen.dk DNS records

🖥️ Nameservers2 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
bonnie.ns.cloudflare.com	108.162.192.76 172.64.32.76 173.245.58.76 2606:4700:50::adf5:3a4c 2803:f800:50::6ca2:c04c 2a06:98c1:50::ac40:204c	bonnie.ns.cloudflare.com bonnie.ns.cloudflare.com bonnie.ns.cloudflare.com bonnie.ns.cloudflare.com bonnie.ns.cloudflare.com bonnie.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
piotr.ns.cloudflare.com	108.162.193.222 172.64.33.222 173.245.59.222 2606:4700:58::adf5:3bde 2803:f800:50::6ca2:c1de 2a06:98c1:50::ac40:21de	piotr.ns.cloudflare.com piotr.ns.cloudflare.com piotr.ns.cloudflare.com piotr.ns.cloudflare.com piotr.ns.cloudflare.com piotr.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
104.21.84.57	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.187.27	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:5439	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:bb1b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 35ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.84.57,172.67.187.27 ech=AEX+DQBBvQAgACDpdfGVX0r8uwLmFl+1tO2MdzPQQvlMOm+9SjHMKc6aCAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5439,2606:4700:3037::ac43:bb1b

📝 TXT Records1 records 193ms

TXT Record
google-site-verification=zQUBox6QT2NNoryMeoRrkE4aThDCoc4gwrn1JB8IlOI

✉️ 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

🔗 TLSA / DANE

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

🔐 DNSSEC77ms

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	2412423699
Primary NS (MNAME)	bonnie.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

49ms

AAAA

41ms

TXT

193ms

CAA

59ms

HTTPS

35ms

TLSA

50ms

SOA

0ms

MTA-STS

94ms

DNSSEC

77ms

SRV

69ms

Total

533ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 12:21:35	533ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-17 15:46:53	968ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-11 23:49:07	862ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-02 18:54:03	9804ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 08:12:02	1275ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-23 18:10:45	1138ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 14:01:42	909ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 04:07:54	1139ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-19 12:36:26	704ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 19:38:08	1676ms	2 NS 2 A 0 MX	🔓 Insecure	View