rcdata.dk DNS records

🖥️ Nameservers2 records 291ms

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 277ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.38	600s	webcluster2.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 269ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	mx1.pub.mailpod12-cph3.one.com	104.37.34.246	mx1.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	600s	mx2.pub.mailpod12-cph3.one.com	104.37.34.247	mx2.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	600s	mx3.pub.mailpod12-cph3.one.com	104.37.34.248	mx3.pub.mailpod12-cph3.one.com	AS51468 One.com A/S
10	600s	mx4.pub.mailpod12-cph3.one.com	104.37.34.249	mx4.pub.mailpod12-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	46.30.213.38
🔶 Autoconfig	46.30.213.38

🔷 AAAA Records (IPv6)1 records 181ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10a:8032:d030:d067:cf6e	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 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 350ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	D91CB8AC124CB360F986182813BDF3FD…
SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	D91CB8AC124CB360F986182813BDF3FD…
SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	D91CB8AC124CB360F986182813BDF3FD…
SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com	DANE-EE · SPKI · SHA-256	D91CB8AC124CB360F986182813BDF3FD…

🔐 DNSSEC431ms

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

🏷️ SOA245ms

Field	Value
Serial	2026060501
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

291ms

A

277ms

MX

269ms

AAAA

181ms

TXT

519ms

CAA

299ms

HTTPS

295ms

TLSA

350ms

SOA

245ms

MTA-STS

243ms

DNSSEC

431ms

SRV

336ms

Total

2529ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-22 10:02:23	5425ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-05 08:46:38	6485ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-02 05:27:04	17943ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 09:09:58	2202ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-25 10:27:07	825ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 02:28:42	2470ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-22 05:25:08	1470ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-20 19:42:49	2529ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-17 22:30:12	1147ms	2 NS 1 A 4 MX	🔒 Secure	View