rkc-dev.dk DNS records

🖥️ Nameservers2 records 144ms

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 145ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.126	3600s	webcluster2.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 144ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod10-cph3.one.com	104.37.34.70	mx1.pub.mailpod10-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod10-cph3.one.com	104.37.34.71	mx2.pub.mailpod10-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod10-cph3.one.com	104.37.34.72	mx3.pub.mailpod10-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod10-cph3.one.com	104.37.34.73	mx4.pub.mailpod10-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	46.30.215.126
🔶 Autoconfig	46.30.215.126

🔷 AAAA Records (IPv6)1 records 128ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:111:80f5:36dd:869:ef9f	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 Records1 records 285ms

TXT Record
v=spf1 include:_custspf.one.com -all

✉️ SPF

Policy	Record (rkc-dev.dk)
-all (hard fail)	v=spf1 include:_custspf.one.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 / DANE4 records 103ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	411611ECE6466645A9E53512398A692D…
SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	411611ECE6466645A9E53512398A692D…
SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	411611ECE6466645A9E53512398A692D…
SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com	DANE-EE · SPKI · SHA-256	411611ECE6466645A9E53512398A692D…

🔐 DNSSEC218ms

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

🏷️ SOA128ms

Field	Value
Serial	2026061402
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

144ms

A

145ms

MX

144ms

AAAA

128ms

TXT

285ms

CAA

128ms

HTTPS

124ms

TLSA

103ms

SOA

128ms

MTA-STS

145ms

DNSSEC

218ms

SRV

150ms

Total

822ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 08:42:42	882ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-14 21:58:39	8903ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-13 14:37:31	5137ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-11 00:16:24	3469ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 06:46:35	1699ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 20:39:15	885ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-24 03:46:31	822ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-21 21:16:45	978ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 03:34:37	892ms	2 NS 1 A 4 MX	🔒 Secure	View