lettebøger.dk DNS records

🖥️ Nameservers2 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
cortney.ns.cloudflare.com	108.162.192.87 172.64.32.87 173.245.58.87 2606:4700:50::adf5:3a57 2803:f800:50::6ca2:c057 2a06:98c1:50::ac40:2057	cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com cortney.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
eric.ns.cloudflare.com	108.162.193.112 172.64.33.112 173.245.59.112 2606:4700:58::adf5:3b70 2803:f800:50::6ca2:c170 2a06:98c1:50::ac40:2170	eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.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
104.21.95.76	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.169.220	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx01.dandomain.dk	212.237.249.50	mx1.dandomain.dk	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::6815:5f4c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:a9dc	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 54ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.95.76,172.67.169.220 ech=AEX+DQBBnAAgACDaG3K65/OnwugDNtZYeK/Qk4HcNImeMEWDMVL2853zNwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:5f4c,2606:4700:3035::ac43:a9dc

📝 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

🔗 TLSA / DANE

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

🔐 DNSSEC120ms

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	2409718355
Primary NS (MNAME)	cortney.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

45ms

A

48ms

MX

40ms

AAAA

47ms

TXT

222ms

CAA

37ms

HTTPS

54ms

TLSA

262ms

SOA

0ms

MTA-STS

87ms

DNSSEC

120ms

SRV

160ms

Total

1056ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-17 03:37:55	1056ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 18:33:36	947ms	2 NS 2 A 1 MX	❓ Unknown	View
2026-06-17 17:34:55	10692ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-17 17:15:11	843ms	2 NS 2 A 1 MX	🔒 Secure	View