duatech.dk DNS records

🖥️ Nameservers2 records 45ms

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 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.215.186	3600s	webcluster2.webpod17-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	duatech-dk.mail.protection.outlook.com	2a01:111:f403:ca04::2 2a01:111:f403:ca04::7 2a01:111:f403:ca09:: 2a01:111:f403:ca48::a 52.101.209.153 52.101.68.12 52.101.73.26 52.101.73.30	mail-du2pr03cu00102.inbound.protection.outlook.com mail-db4pr02cu00307.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-as9pr05cu01302.inbound.protection.outlook.com mail-am7pr05cu00306.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 → 40.104.116.24

🔷 AAAA Records (IPv6)1 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:106:80d4:6fef:cad5:335a	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 167ms

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

✉️ SPF

Policy	Record (duatech.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)

🔐 DNSSEC74ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082301
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

45ms

A

43ms

MX

41ms

AAAA

42ms

TXT

167ms

CAA

42ms

HTTPS

43ms

TLSA

310ms

SOA

0ms

MTA-STS

64ms

DNSSEC

74ms

SRV

67ms

Total

907ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 05:21:10	907ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-24 12:40:48	3562ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-09 23:26:31	8624ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-08 12:26:55	2097ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-02 13:03:26	1274ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 02:04:21	2558ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-27 01:34:11	1524ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-26 01:24:52	1393ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-25 00:51:54	1092ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-24 00:37:42	1345ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-22 23:50:14	9129ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-21 22:37:54	1707ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 19:16:28	17678ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-19 18:52:12	1588ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 06:51:14	4135ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 16:03:52	3449ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 01:49:48	3123ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-09 02:24:31	2152ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-07 22:05:32	2360ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-06 17:36:44	5068ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 21:30:51	2448ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-04 16:05:26	1276ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 15:37:04	1533ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 15:50:11	3008ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 14:53:48	707ms	2 NS 1 A 1 MX	🔒 Secure	View