4xl.dk DNS records

🖥️ Nameservers2 records 214ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 255ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.138	3600s	webcluster1.webpod14-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 303ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod10-cph3.one.com	104.37.34.70	mx1.pub.mailpod10-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod10-cph3.one.com	104.37.34.71	mx2.pub.mailpod10-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod10-cph3.one.com	104.37.34.72	mx3.pub.mailpod10-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod10-cph3.one.com	104.37.34.73	mx4.pub.mailpod10-cph3.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)1 records 217ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10c:53:1a90:9ab6:1e4a	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 961ms

TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF

Policy	Record (4xl.dk)
~all (soft fail)	v=spf1 include:_custspf.one.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

🔗 TLSA / DANE4 records 374ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	5932F73E86E0548B77B582F47919F654…
SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	5932F73E86E0548B77B582F47919F654…
SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	5932F73E86E0548B77B582F47919F654…
SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	5932F73E86E0548B77B582F47919F654…

🔐 DNSSEC602ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2026082001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

214ms

A

255ms

MX

303ms

AAAA

217ms

TXT

961ms

CAA

267ms

HTTPS

248ms

TLSA

374ms

SOA

0ms

MTA-STS

447ms

DNSSEC

602ms

SRV

314ms

Total

5683ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-20 16:13:30	5683ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-17 05:38:26	1587ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-29 01:02:27	4875ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-21 15:27:45	800ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-02 22:06:09	9671ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-27 09:17:47	3542ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 04:16:03	940ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 06:49:21	2551ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-20 08:47:18	1176ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-18 09:50:36	992ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-16 12:59:14	1933ms	2 NS 1 A 4 MX	🔒 Secure	View