byholiday.dk

📜 Historical scan 2026-06-16 18:27:33 · ← 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 31ms

Nameserver	IP addresses	PTR	ASN / ISP
dan.ns.cloudflare.com	—	—	—
nadia.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 50ms

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

📧 MX Records#

1 records 46ms

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

🔷 AAAA Records (IPv6)#

2 records 44ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:55b6	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:d0e2	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 64ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.85.182,172.67.208.226 ech=AEX+DQBBiQAgACB6fwZmiM8HN6m0zArqRqb3a8Bz4w83oH5zMt0Ta81SRQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:55b6,2606:4700:3035::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#

60ms

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

🏷️ SOA#

30ms

Field	Value
Serial	2405775990
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 (162d)

📋 WHOIS#

⏱️ Lookup Timing#

31ms

50ms

46ms

AAAA

44ms

TXT

111ms

CAA

33ms

HTTPS

64ms

TLSA

68ms

SOA

30ms

MTA-STS

50ms

DNSSEC

60ms

SRV

0ms

Total

437ms

🕐 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	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 shown	437ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-16 18:20:01	626ms	2 NS 2 A 1 MX	🔓 Insecure