4xf.dk

📜 Historical scan 2026-08-06 00:33:14 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

4xf.dk is a .dk domain served by 3 nameservers (ns5.chosting.dk, ns6.chosting.dk, ns7.chosting.dk). It was registered on 2 February 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.20 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by 4xf.dk. The zone is not DNSSEC-signed, publishes a 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#

3 records 169ms

Nameserver	IP addresses	PTR	ASN / ISP
ns5.chosting.dk	167.235.66.236 2a01:4f8:1c1e:d097::1	ns5.chosting.dk ns5.chosting.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns6.chosting.dk	2001:41d0:305:2100::80e9 51.91.57.33	ns6.chosting.dk ns6.chosting.dk	AS16276 OVH SAS AS16276 OVH SAS
ns7.chosting.dk	178.20.220.33	ns7.chosting.dk	AS21060 Atea A/S

🌍 A Records#

1 records 165ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
178.20.216.20	3600s	server11.chosting.dk	AS21060	Atea A/S	178.20.216.0/23	🇩🇰 Denmark	—

📧 MX Records#

1 records 183ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	4xf.dk	178.20.216.20 2a01:7cc0:101:ffff::1:8	server11.chosting.dk —	AS21060 Atea A/S AS21060 Atea A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	178.20.216.20
🔶 Autoconfig	178.20.216.20

🔷 AAAA Records (IPv6)#

1 records 194ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:7cc0:101:ffff::1:8	3600s	—	AS21060	Atea A/S	2a01:7cc0:100:0:0:0:0:0/40	🇩🇰 Denmark	—

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 266ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	cpanelemaildiscovery.cpanel.net

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.4xf.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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 00:24:47

www CNAME	4xf.dk (all on 4xf.dk) → 178.20.216.20 2a01:7cc0:101:ffff::1:8 (AS21060)
www vs bare domain	Same network 4xf.dk: 178.20.216.20 2a01:7cc0:101:ffff::1:8 (AS21060) www.4xf.dk: 178.20.216.20 2a01:7cc0:101:ffff::1:8 (AS21060)
Wildcard	No

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.4xf.dk	HKvFnhlXFGiWmhjwX-nMnQFDSPsIZfhEahIgZd8I9Rw

🔗 TLSA / DANE#

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

🔐 DNSSEC#

263ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026080501
Primary NS (MNAME)	ns5.chosting.dk
Responsible (RNAME)	logs@chosting.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-06 05:04:39

Field	Value
Registrar	FIONIA IT ApS
Registered	2023-02-02
Expires	2027-02-01 (106d)

📋 WHOIS#

⏱️ Lookup Timing#

169ms

165ms

183ms

AAAA

194ms

TXT

498ms

CAA

196ms

HTTPS

182ms

TLSA

2822ms

SOA

0ms

MTA-STS

200ms

DNSSEC

263ms

SRV

266ms

Total

4136ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 00:24:47	658ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-06 04:54:16	618ms	3 NS 1 A 1 MX	🔓 Insecure
2026-10-01 04:22:13	1380ms	3 NS 1 A 1 MX	🔓 Insecure
2026-09-25 00:39:20	2530ms	3 NS 1 A 1 MX	🔓 Insecure
2026-08-06 00:33:14 shown	4136ms	3 NS 1 A 1 MX	🔓 Insecure
2026-07-02 00:43:01	1600ms	3 NS 1 A 1 MX	🔓 Insecure
2026-06-16 13:14:25	526ms	3 NS 1 A 1 MX	🔓 Insecure