letsbook.dk DNS records

🖥️ Nameservers2 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
drake.ns.cloudflare.com	108.162.195.14 162.159.44.14 172.64.35.14 2606:4700:58::a29f:2c0e 2803:f800:50::6ca2:c30e 2a06:98c1:50::ac40:230e	drake.ns.cloudflare.com drake.ns.cloudflare.com drake.ns.cloudflare.com drake.ns.cloudflare.com drake.ns.cloudflare.com drake.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sima.ns.cloudflare.com	108.162.192.222 172.64.32.222 173.245.58.222 2606:4700:50::adf5:3ade 2803:f800:50::6ca2:c0de 2a06:98c1:50::ac40:20de	sima.ns.cloudflare.com sima.ns.cloudflare.com sima.ns.cloudflare.com sima.ns.cloudflare.com sima.ns.cloudflare.com sima.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.23.249	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.214.185	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::ac43:d6b9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:17f9	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 58ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.23.249,172.67.214.185 ech=AEX+DQBBKgAgACCagOE0lmOvNWN5uy3ezyGns3addflhunnKLGpZ9c/7MwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:d6b9,2606:4700:3036::6815:17f9

📝 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)

🔐 DNSSEC147ms

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	2410251702
Primary NS (MNAME)	drake.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

40ms

MX

28ms

AAAA

47ms

TXT

230ms

CAA

55ms

HTTPS

58ms

TLSA

56ms

SOA

0ms

MTA-STS

140ms

DNSSEC

147ms

SRV

112ms

Total

1214ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 00:36:20	1214ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-23 11:54:49	892ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-18 16:20:39	8878ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-17 13:44:38	632ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-16 12:36:47	609ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-15 02:35:39	653ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-12 10:19:26	552ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-09 10:17:59	16970ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-08 09:44:50	721ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-06 22:31:25	716ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-05 14:17:01	808ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-04 09:59:24	741ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-07-02 23:12:24	554ms	1 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 08:05:50	278ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 21:38:54	341ms	0 NS 0 A 0 MX	❓ Unknown	View