4x.dk DNS records

🖥️ Nameservers2 records 33ms

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 Records

🌍

No A records found

📧 MX Records1 records 25ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	2200s	4x-dk.mail.eo.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::8 2a01:111:f403:ca04::b 2a01:111:f403:ca09::3 52.101.103.137 52.101.181.153 52.101.73.153 52.101.73.4	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-dbbpr03cu00103.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 122ms

TXT Record
MS=ms96147901
v=spf1 include:outlook.com ~all

✉️ SPF

Policy	Record (4x.dk)
~all (soft fail)	v=spf1 include:outlook.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 / DANE

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

🔐 DNSSEC96ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2026082805
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

33ms

A

29ms

MX

25ms

AAAA

29ms

TXT

122ms

CAA

32ms

HTTPS

27ms

TLSA

5415ms

SOA

0ms

MTA-STS

35ms

DNSSEC

96ms

SRV

100ms

Total

6079ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 15:03:20	6079ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-28 21:50:31	3142ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-08-26 17:12:38	6631ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-27 11:31:23	1605ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-07-01 17:48:15	4195ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-26 03:18:20	4750ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-25 16:20:32	3738ms	2 NS 0 A 1 MX	🔒 Secure	View
2026-06-16 12:50:17	2096ms	2 NS 0 A 1 MX	🔒 Secure	View