o-d.dk DNS records

🖥️ Nameservers2 records 32ms

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 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.90.42.40	600s	s91904240.blix.com	AS50304	Blix Solutions AS	91.90.40.0/21	🇳🇴 Norway	—

📧 MX Records1 records 31ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	od-dk0c.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::6 2a01:111:f403:ca09::8 2a01:111:f403:ca48::8 52.101.103.137 52.101.68.36 52.101.73.1 52.101.73.6	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am3pr04cu00501.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 89ms

TXT Record
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (o-d.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.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 / DANE

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

🔐 DNSSEC93ms

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

🏷️ SOA0ms

Field	Value
Serial	2026083001
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

32ms

A

30ms

MX

31ms

AAAA

31ms

TXT

89ms

CAA

25ms

HTTPS

23ms

TLSA

427ms

SOA

0ms

MTA-STS

41ms

DNSSEC

93ms

SRV

71ms

Total

843ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 03:58:49	843ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-27 11:13:30	1034ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 11:08:17	1202ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 15:16:27	5286ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 21:07:28	3685ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 20:00:26	18296ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 16:33:04	717ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-24 02:48:30	905ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 08:19:26	1067ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-18 07:54:34	3820ms	2 NS 1 A 1 MX	🔒 Secure	View