4io.dk

📜 Historical scan 2026-06-16 13:14:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

4io.dk is a .dk domain served by 2 nameservers (autumn.ns.cloudflare.com, drake.ns.cloudflare.com). It was registered on 28 August 2025 (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 33ms

Nameserver	IP addresses	PTR	ASN / ISP
autumn.ns.cloudflare.com	—	—	—
drake.ns.cloudflare.com	—	—	—

🌍 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 2026-10-16 20:58:13

www	NXDOMAIN
www vs bare domain	Neither resolves 4io.dk: no address www.4io.dk: no address
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

102ms

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#

31ms

Field	Value
Serial	2406799097
Primary NS (MNAME)	autumn.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 21:18:24

Field	Value
Registrar	Simply.com A/S
Registered	2025-08-28
Expires	2027-08-27 (313d)

🔗 Same registrant#

6 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
4net.dk	Simply.com A/S
d4u.dk	Simply.com A/S
racked.dk	Simply.com A/S
s3r.dk	Simply.com A/S
t3k.dk	Simply.com A/S
webmondo.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

33ms

39ms

34ms

AAAA

28ms

TXT

125ms

CAA

32ms

HTTPS

31ms

TLSA

58ms

SOA

31ms

MTA-STS

2062ms

DNSSEC

102ms

SRV

0ms

Total

2304ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 20:58:13	511ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-13 18:48:42	2339ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-12 14:38:02	2726ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-12 14:34:30	3079ms	2 NS 0 A 0 MX	🔓 Insecure
2026-10-07 21:17:39	514ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-28 09:25:09	735ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-19 02:36:04	5139ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-14 10:26:20	2463ms	2 NS 0 A 0 MX	🔓 Insecure
2026-08-11 23:20:06	858ms	2 NS 0 A 0 MX	🔓 Insecure
2026-07-17 03:00:03	9884ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-26 01:41:07	1456ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-22 14:30:51	1162ms	2 NS 0 A 0 MX	❓ Unknown
2026-06-20 04:03:37	1222ms	2 NS 0 A 0 MX	🔓 Insecure
2026-06-16 13:14:20 shown	2304ms	2 NS 0 A 0 MX	🔓 Insecure