byholiday.dk

📜 Historical scan 2026-07-26 22:21:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byholiday.dk is a .dk domain served by 2 nameservers (dan.ns.cloudflare.com, nadia.ns.cloudflare.com). It was registered on 8 April 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.85.182 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.bom.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 32ms

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 Records#

2 records 32ms

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 Records#

1 records 35ms

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 36ms

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 Records#

1 records 43ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.85.182,172.67.208.226 ech=AEX+DQBBiQAgACDDI7oOFUbbbSGy6UWrAQrmEoecIlx8c9rx8g+mQs0AbQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-26 19:35:35

www	104.21.85.182 172.67.208.226 2606:4700:3037::6815:55b6 2606:4700:3037::ac43:d0e2 (AS13335) (address records, no CNAME)
www vs bare domain	Same network byholiday.dk: 104.21.85.182 172.67.208.226 2606:4700:3037::6815:55b6 2606:4700:3037::ac43:d0e2 (AS13335) www.byholiday.dk: 104.21.85.182 172.67.208.226 2606:4700:3037::6815:55b6 2606:4700:3037::ac43:d0e2 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

131ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2410504722
Primary NS (MNAME)	dan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-10 13:40:49

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-04-08
Expires	2027-04-07 (161d)

📋 WHOIS#

⏱️ Lookup Timing#

32ms

35ms

AAAA

36ms

TXT

210ms

CAA

44ms

HTTPS

43ms

TLSA

75ms

SOA

0ms

MTA-STS

41ms

DNSSEC

131ms

SRV

92ms

Total

8921ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-26 19:35:35	620ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 17:06:23	1171ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-27 11:27:54	770ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-25 11:14:55	740ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 11:10:37	1431ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-13 07:04:19	691ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-31 20:42:52	968ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-26 22:21:51 shown	8921ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-02 00:28:29	833ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 18:27:33	437ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 18:20:01	626ms	2 NS 2 A 1 MX	🔓 Insecure