z4.dk

📜 Historical scan 2026-06-24 07:07:27 · ← 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 of unknown DNSSEC status, 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 39ms

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#

70ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	broken trust chain resolving 'z4.dk/DS/IN': 127.0.0.1#53

🏷️ SOA#

35ms

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#

39ms

51ms

33ms

AAAA

58ms

TXT

181ms

CAA

38ms

HTTPS

32ms

TLSA

32ms

SOA

35ms

MTA-STS

38ms

DNSSEC

70ms

SRV

80ms

Total

656ms

🕐 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 shown	656ms	2 NS 0 A 0 MX	❓ Unknown
2026-06-17 13:22:14	510ms	2 NS 0 A 0 MX	🔓 Insecure