rkrgruppen.dk DNS records

🖥️ Nameservers2 records 248ms

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 268ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.20.205.72	600s	linux396.unoeuro.com	AS48854	team.blue Denmark A/S	185.20.204.0/22	🇩🇰 Denmark	—

📧 MX Records4 records 314ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod14-cph3.one.com	185.10.9.212	mx1.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod14-cph3.one.com	185.10.9.213	mx2.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod14-cph3.one.com	185.10.9.214	mx3.pub.mailpod14-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod14-cph3.one.com	185.10.9.215	mx4.pub.mailpod14-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	185.20.205.72
🔶 Autoconfig	185.20.205.72

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 933ms

TXT Record
v=spf1 include: _custspf.one.com _spf.one.com spf.simply.com ~all

✉️ SPF

Policy	Record (rkrgruppen.dk)
~all (soft fail)	v=spf1 include: _custspf.one.com _spf.one.com spf.simply.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 420ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…
SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com	DANE-EE · SPKI · SHA-256	A4B9A2A35B513EFAC91F5A3C11DD0C58…

🔐 DNSSEC660ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2026081805
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

248ms

A

268ms

MX

314ms

AAAA

275ms

TXT

933ms

CAA

297ms

HTTPS

267ms

TLSA

420ms

SOA

0ms

MTA-STS

364ms

DNSSEC

660ms

SRV

326ms

Total

6830ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 03:32:10	6830ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-07-10 07:03:28	4881ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-07-01 12:44:02	864ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-06-23 17:18:23	797ms	2 NS 1 A 4 MX	🔓 Insecure	View
2026-06-17 20:38:03	673ms	2 NS 1 A 4 MX	🔓 Insecure	View