lærebogsprisen.dk DNS records

🖥️ Nameservers2 records 78ms

Nameserver	IP addresses	PTR	ASN / ISP
lee.ns.cloudflare.com	108.162.193.129 172.64.33.129 173.245.59.129 2606:4700:58::adf5:3b81 2803:f800:50::6ca2:c181 2a06:98c1:50::ac40:2181	lee.ns.cloudflare.com lee.ns.cloudflare.com lee.ns.cloudflare.com lee.ns.cloudflare.com lee.ns.cloudflare.com lee.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
phoenix.ns.cloudflare.com	108.162.194.201 162.159.38.201 172.64.34.201 2606:4700:50::a29f:26c9 2803:f800:50::6ca2:c2c9 2a06:98c1:50::ac40:22c9	phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com phoenix.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 125ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.83.225	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.182.99	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 126ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:b663	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:53e1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 71ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.83.225,172.67.182.99 ech=AEX+DQBB7QAgACBX6p3UjWY6Pcq9vTcrzvzxB284Oop9RKCFG8+jfcntRAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:b663,2606:4700:3036::6815:53e1

📝 TXT Records

📝

No TXT records found

✉️ 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.lærebogsprisen.dk	HPGWRZgImsyMYdD-knCGlZDk_7WP0lK_Z41-28gvt6o
TXT	_acme-challenge.lærebogsprisen.dk	owMxxGvyamRCdLAP5ueODDrczyMJ1elyxlq5AsYb5PI

🔗 TLSA / DANE

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

🔐 DNSSEC593ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxdomain

🏷️ SOA0ms

Field	Value
Serial	2413547174
Primary NS (MNAME)	lee.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

78ms

A

125ms

MX

103ms

AAAA

126ms

TXT

645ms

CAA

124ms

HTTPS

71ms

TLSA

179ms

SOA

0ms

MTA-STS

427ms

DNSSEC

593ms

SRV

454ms

Total

2042ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 14:12:16	2042ms	2 NS 2 A 0 MX	❓ Unknown	View
2026-08-24 05:48:57	1050ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-26 13:38:32	17426ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 08:53:54	729ms	2 NS 2 A 0 MX	❓ Unknown	View
2026-06-17 20:03:00	737ms	2 NS 2 A 0 MX	🔒 Secure	View