0x23.dk DNS records

🖥️ Nameservers2 records 34ms

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 26ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
35.185.44.232	43200s	232.44.185.35.bc.googleusercontent.com	AS396982	Google LLC	35.184.0.0/13	🇺🇸 United States	North Charleston

📧 MX Records3 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mxext1.mailbox.org	2001:67c:2050:104:0:1:25:1 80.241.60.212	mx1.mailbox.org mx1.mailbox.org	AS199118 Heinlein-Support GmbH AS199118 Heinlein-Support GmbH
10	43200s	mxext2.mailbox.org	2001:67c:2050:104:0:2:25:1 80.241.60.215	mx2.mailbox.org mx2.mailbox.org	AS199118 Heinlein-Support GmbH AS199118 Heinlein-Support GmbH
20	43200s	mxext3.mailbox.org	2001:67c:2050:104:0:3:25:1 80.241.60.216	mx3.mailbox.org mx3.mailbox.org	AS199118 Heinlein-Support GmbH AS199118 Heinlein-Support GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	vdot0x23.gitlab.io → 35.185.44.232
🔶 Autoconfig	vdot0x23.gitlab.io → 35.185.44.232

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 134ms

TXT Record
v=spf1 include:mailbox.org ~all

✉️ SPF

Policy	Record (0x23.dk)
~all (soft fail)	v=spf1 include:mailbox.org ~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 / DANE9 records 163ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mxext1.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext1.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext1.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext2.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…
SMTP _25._tcp.mxext2.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext2.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	996AD31D65E03F038B8EC950F6F26611…
SMTP _25._tcp.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	4758AF6F02DFB5DC8795FA402E77A8A0…
SMTP _25._tcp.mxext3.mailbox.org	DANE-EE · SPKI · SHA-256	E41CC7633029AFDBA53744D7E5FC31EF…

🔐 DNSSEC135ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081201
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

34ms

A

26ms

MX

33ms

AAAA

49ms

TXT

134ms

CAA

49ms

HTTPS

53ms

TLSA

163ms

SOA

0ms

MTA-STS

94ms

DNSSEC

135ms

SRV

8090ms

Total

9451ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-13 13:39:01	9451ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-09 08:23:28	5427ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-14 17:11:02	19670ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-13 07:44:26	1509ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-10 15:21:28	9659ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-29 14:18:01	1084ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-25 06:50:16	1109ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-21 22:19:21	1140ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 22:43:31	4277ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 12:33:43	2761ms	2 NS 1 A 3 MX	🔒 Secure	View