byholidays.dk

📜 Historical scan 2026-08-26 17:52:03 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byholidays.dk is a .dk domain served by 2 nameservers (dan.ns.cloudflare.com, nadia.ns.cloudflare.com). It was registered on 21 April 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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 34ms

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#

🌍

No A records found

📧 MX Records#

5 records 29ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4025:c01::1a 64.233.162.27	rd-in-f26.1e100.net li-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	172.253.158.26 2404:6800:4008:c01::1b	so-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 133ms

TXT Record
google-site-verification=VGU2w_Qb_q5lIVrsAJaNagVdUur4nWpdO_VSxX3AUdo
v=spf1 include:_spf.google.com -all

✉️ SPF#

Policy	Record (byholidays.dk)
-all (hard fail)	v=spf1 include:_spf.google.com -all

📨 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 2026-10-08 06:59:55

www	NXDOMAIN
www vs bare domain	Neither resolves byholidays.dk: no address www.byholidays.dk: no address
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.byholidays.dk	3Vwp6pv20DwgxGio-igvG8z4bTndDu2whs5StrPzFdw
TXT	_acme-challenge.byholidays.dk	OzMj_oRf4Yz2vk28FRqmqtx7O6UkccB6BcfUAbiQN00

🔗 TLSA / DANE#

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

🔐 DNSSEC#

107ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2413148403
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 2026-10-22 13:42:41

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2022-04-21
Expires	2027-04-20 (177d)

📋 WHOIS#

⏱️ Lookup Timing#

34ms

32ms

29ms

AAAA

29ms

TXT

133ms

CAA

31ms

HTTPS

28ms

TLSA

39ms

SOA

0ms

MTA-STS

52ms

DNSSEC

107ms

SRV

46ms

Total

567ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 03:54:36	539ms	2 NS 0 A 5 MX	🔓 Insecure
2026-09-28 02:29:46	2568ms	2 NS 0 A 5 MX	🔓 Insecure
2026-09-24 03:48:32	767ms	2 NS 0 A 5 MX	🔓 Insecure
2026-09-15 08:49:59	1428ms	2 NS 0 A 5 MX	🔓 Insecure
2026-08-31 01:10:03	2889ms	2 NS 0 A 5 MX	🔓 Insecure
2026-08-26 17:52:03 shown	567ms	2 NS 0 A 5 MX	🔓 Insecure
2026-08-19 07:20:04	18289ms	2 NS 0 A 5 MX	🔓 Insecure
2026-07-03 18:32:46	1422ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-28 11:03:15	2162ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-25 13:47:59	3765ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-25 09:48:24	901ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-23 18:21:51	966ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-16 18:20:26	647ms	2 NS 0 A 5 MX	🔓 Insecure
2026-06-16 18:20:03	739ms	2 NS 0 A 5 MX	🔓 Insecure