byholiday.dk DNS records

🖥️ Nameservers2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
dan.ns.cloudflare.com	108.162.193.108 172.64.33.108 173.245.59.108 2606:4700:58::adf5:3b6c 2803:f800:50::6ca2:c16c 2a06:98c1:50::ac40:216c	dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com dan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nadia.ns.cloudflare.com	108.162.192.207 172.64.32.207 173.245.58.207 2606:4700:50::adf5:3acf 2803:f800:50::6ca2:c0cf 2a06:98c1:50::ac40:20cf	nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com nadia.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.85.182	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.208.226	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
13	300s	mx1.bom.dk	144.76.9.152	mx1.bom.dk	AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)2 records 32ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3037::6815:55b6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:d0e2	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 30ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.85.182,172.67.208.226 ech=AEX+DQBB6gAgACCzqIFrPF0rpulwHsnhHJ03nTcLT8IZvjFP8jrPfwTlVwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:55b6,2606:4700:3037::ac43:d0e2

📝 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)

🔐 DNSSEC60ms

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	2410876892
Primary NS (MNAME)	dan.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

33ms

A

31ms

MX

30ms

AAAA

32ms

TXT

169ms

CAA

30ms

HTTPS

30ms

TLSA

83ms

SOA

0ms

MTA-STS

48ms

DNSSEC

60ms

SRV

42ms

Total

968ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-31 20:42:52	968ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-26 22:21:51	8921ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-02 00:28:29	833ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 18:27:33	437ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 18:20:01	626ms	2 NS 2 A 1 MX	🔓 Insecure	View