sim3.dk DNS records

🖥️ Nameservers2 records 109ms

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 111ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
49.12.84.170	3600s	cde4.duelhost.dk	AS24940	Hetzner Online GmbH	49.12.0.0/15	🇩🇪 Germany	Falkenstein

📧 MX Records4 records 111ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod12-cph3.one.com	104.37.34.246	mx1.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod12-cph3.one.com	104.37.34.247	mx2.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod12-cph3.one.com	104.37.34.248	mx3.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod12-cph3.one.com	104.37.34.249	mx4.pub.mailpod12-cph3.one.com	AS51468 One.com A/S

🔷 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 / DANE4 records 162ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	3E81C76D10E1A717F28178710EADCAA8…

🔐 DNSSEC274ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082801
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

109ms

A

111ms

MX

111ms

AAAA

105ms

TXT

293ms

CAA

103ms

HTTPS

107ms

TLSA

162ms

SOA

0ms

MTA-STS

134ms

DNSSEC

274ms

SRV

110ms

Total

1272ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 19:26:01	1272ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-12 20:23:16	854ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-27 06:49:20	730ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 15:05:03	835ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 11:57:50	663ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-20 16:43:18	593ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-18 08:02:45	774ms	2 NS 1 A 4 MX	🔒 Secure	View