rbj.dk DNS records

🖥️ Nameservers2 records 34ms

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 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.191	600s	webforward.webpod17-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	rbj-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::d 2a01:111:f403:ca04::e 2a01:111:f403:ca09::7 52.101.73.1 52.101.73.16 52.101.73.4 52.101.73.6	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am3pr04cu00501.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.98.16.6
🔶 Autoconfig	46.30.215.191

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 178ms

TXT Record
MS=ms18157821
v=spf1 mx a include:servers.mcsv.net include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (rbj.dk)
-all (hard fail)	v=spf1 mx a include:servers.mcsv.net include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.rbj.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:jdm4eftz@ag.dmarcian-eu.com; ruf=mailto:jdm4eftz@fr.dmarcian-eu.com; fo=1; adkim=s; aspf=s; sp=none;

📬 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 / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC122ms

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

🏷️ SOA0ms

Field	Value
Serial	2026062301
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

34ms

A

34ms

MX

33ms

AAAA

35ms

TXT

178ms

CAA

36ms

HTTPS

33ms

TLSA

108ms

SOA

0ms

MTA-STS

8097ms

DNSSEC

122ms

SRV

120ms

Total

8904ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-31 15:13:56	8904ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-30 09:44:34	14719ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-06-28 08:49:11	974ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 04:30:54	2005ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 22:04:00	1077ms	2 NS 1 A 1 MX	🔒 Secure	View