rta-ros.dk DNS records

🖥️ Nameservers2 records 58ms

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 86ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.127	3600s	webforward.webpod16-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 80ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	rtaros-dk0i.mail.protection.outlook.com	2a01:111:f403:ca04::5 2a01:111:f403:ca04::c 2a01:111:f403:ca09::b 2a01:111:f403:ca09::c 52.101.68.0 52.101.68.5 52.101.73.12 52.101.73.15	mail-db3pr0202cu00205.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am9pr04cu00107.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 → 40.104.116.8
🔶 Autoconfig	46.30.215.90

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 198ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com include:spfinclude.sikkermail.dk -all

✉️ SPF

Policy	Record (rta-ros.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.com include:spfinclude.sikkermail.dk -all

📨 DMARC

Policy	Record (_dmarc.rta-ros.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:mia@rta-ros.dk; ruf=mailto:mia@rta-ros.dk

📬 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)

🔐 DNSSEC124ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081102
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

58ms

A

86ms

MX

80ms

AAAA

118ms

TXT

198ms

CAA

119ms

HTTPS

97ms

TLSA

598ms

SOA

0ms

MTA-STS

98ms

DNSSEC

124ms

SRV

106ms

Total

1302ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 22:14:00	1302ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 00:29:01	2088ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 23:19:30	9098ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 19:40:40	917ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 00:56:43	1859ms	2 NS 1 A 1 MX	🔒 Secure	View