3xx.dk DNS records

🖥️ Nameservers2 records 48ms

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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.127	3600s	webforward.webpod13-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records3 records 49ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod5-cph3.one.com	185.164.14.54	mx1.pub.mailpod5-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod5-cph3.one.com	185.164.14.55	mx2.pub.mailpod5-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod5-cph3.one.com	185.164.14.56	mx3.pub.mailpod5-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	46.30.213.96
🔶 Autoconfig	46.30.213.96

🔷 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

🔗 TLSA / DANE3 records 107ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod5-cph3.one.com	DANE-EE · SPKI · SHA-256	63EF463E384F266BA4F41EE149A2C594…
SMTP _25._tcp.mx2.pub.mailpod5-cph3.one.com	DANE-EE · SPKI · SHA-256	63EF463E384F266BA4F41EE149A2C594…
SMTP _25._tcp.mx3.pub.mailpod5-cph3.one.com	DANE-EE · SPKI · SHA-256	63EF463E384F266BA4F41EE149A2C594…

🔐 DNSSEC9081ms

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

🏷️ SOA0ms

Field	Value
Serial	2026070702
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

48ms

A

50ms

MX

49ms

AAAA

40ms

TXT

182ms

CAA

49ms

HTTPS

64ms

TLSA

107ms

SOA

0ms

MTA-STS

67ms

DNSSEC

9081ms

SRV

78ms

Total

9837ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 02:23:34	9837ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-08-27 05:38:09	767ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-13 12:15:37	4800ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-07-09 00:23:46	1059ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-21 08:57:11	560ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-20 14:08:58	478ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-20 09:19:12	535ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-20 00:36:03	723ms	2 NS 1 A 3 MX	🔒 Secure	View
2026-06-16 12:38:50	692ms	2 NS 1 A 3 MX	🔒 Secure	View