rcmultigruppen.dk DNS records

🖥️ Nameservers2 records 63ms

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 2064ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
110.236.86.123	598s	—	AS9808	China Mobile Communications Group Co., Ltd.	110.236.0.0/15	🇨🇳 China	—

📧 MX Records4 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	10800s	mx1.pub.mailpod13-cph3.one.com	185.10.9.42	mx1.pub.mailpod13-cph3.one.com	AS51468 One.com A/S
10	10800s	mx2.pub.mailpod13-cph3.one.com	185.10.9.43	mx2.pub.mailpod13-cph3.one.com	AS51468 One.com A/S
10	10800s	mx3.pub.mailpod13-cph3.one.com	185.10.9.44	mx3.pub.mailpod13-cph3.one.com	AS51468 One.com A/S
10	10800s	mx4.pub.mailpod13-cph3.one.com	185.10.9.45	mx4.pub.mailpod13-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 Records1 records 179ms

TXT Record
v=spf1 include:mailgun.org include:spf.cbsolt.net include:_custspf.one.com ~all

✉️ SPF

Policy	Record (rcmultigruppen.dk)
~all (soft fail)	v=spf1 include:mailgun.org include:spf.cbsolt.net include:_custspf.one.com ~all

📨 DMARC

Policy	Record (_dmarc.rcmultigruppen.dk)
p=none (monitor only)	v=DMARC1; p=none; pct=100; fo=1; ri=3600; rua=mailto:e1670fc9@dmarc.mailgun.org,mailto:a5ecc396@inbox.ondmarc.com; ruf=mailto:e1670fc9@dmarc.mailgun.org,mailto:a5ecc396@inbox.ondmarc.com;

📬 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 1720ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	BE8C554E6A2A9BFE9F87080F0AE71BAD…
SMTP _25._tcp.mx2.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	BE8C554E6A2A9BFE9F87080F0AE71BAD…
SMTP _25._tcp.mx3.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	BE8C554E6A2A9BFE9F87080F0AE71BAD…
SMTP _25._tcp.mx4.pub.mailpod13-cph3.one.com	DANE-EE · SPKI · SHA-256	BE8C554E6A2A9BFE9F87080F0AE71BAD…

🔐 DNSSEC102ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081301
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

63ms

A

2064ms

MX

51ms

AAAA

78ms

TXT

179ms

CAA

53ms

HTTPS

56ms

TLSA

1720ms

SOA

0ms

MTA-STS

76ms

DNSSEC

102ms

SRV

75ms

Total

4436ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 16:39:15	4436ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-27 00:33:59	4665ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-15 08:10:45	2366ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-03 14:36:41	1847ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-22 08:21:46	973ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-07-16 01:31:35	1107ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-18 07:45:28	2879ms	2 NS 1 A 4 MX	🔒 Secure	View