z4.dk

📜 Historical scan 2026-06-17 13:22:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

z4.dk is a .dk domain served by 2 nameservers (alex.ns.cloudflare.com, cheryl.ns.cloudflare.com). It was registered on 6 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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 37ms

Nameserver	IP addresses	PTR	ASN / ISP
alex.ns.cloudflare.com	108.162.193.100 172.64.33.100 173.245.59.100 2606:4700:58::adf5:3b64 2803:f800:50::6ca2:c164 2a06:98c1:50::ac40:2164	alex.ns.cloudflare.com alex.ns.cloudflare.com alex.ns.cloudflare.com alex.ns.cloudflare.com alex.ns.cloudflare.com alex.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
cheryl.ns.cloudflare.com	108.162.192.83 172.64.32.83 173.245.58.83 2606:4700:50::adf5:3a53 2803:f800:50::6ca2:c053 2a06:98c1:50::ac40:2053	cheryl.ns.cloudflare.com cheryl.ns.cloudflare.com cheryl.ns.cloudflare.com cheryl.ns.cloudflare.com cheryl.ns.cloudflare.com cheryl.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#

📧

No MX records found

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 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 2026-10-09 18:03:06

www	NXDOMAIN
www vs bare domain	www does not resolve z4.dk: 104.21.34.18 172.67.153.46 2606:4700:3033::6815:2212 2606:4700:3035::ac43:992e (AS13335) www.z4.dk: no address (all like this)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

72ms

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#

51ms

Field	Value
Serial	2406844136
Primary NS (MNAME)	alex.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 18:29:03

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2026-05-06
Expires	2027-05-05 (191d)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

39ms

AAAA

37ms

TXT

131ms

CAA

43ms

HTTPS

69ms

TLSA

49ms

SOA

51ms

MTA-STS

39ms

DNSSEC

72ms

SRV

0ms

Total

510ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 18:03:06	668ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-30 14:07:54	528ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-26 20:54:25	516ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-18 17:19:55	1156ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-14 04:45:18	882ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-25 15:26:02	962ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-12 11:34:45	938ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-20 03:03:24	16689ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-24 07:07:27	656ms	2 NS 0 A 0 MX	❓ Unknown
2026-06-17 13:22:14 shown	510ms	2 NS 0 A 0 MX	🔓 Insecure