dueh.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 Records2 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
194.1.147.32	600s	wpx.net	AS210250	K Media Tech Ltd.	194.1.147.0/24	🇬🇧 United Kingdom	Manchester
194.1.147.70	600s	wpx.net	AS210250	K Media Tech Ltd.	194.1.147.0/24	🇬🇧 United Kingdom	Manchester

📧 MX Records1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	14000s	dueh-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09:: 2a01:111:f403:ca09::8 2a01:111:f403:ca09::b 52.101.68.0 52.101.73.4 52.101.73.6 52.101.73.8	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am0pr83cu00404.inbound.protection.outlook.com mail-am6pr04cu00306.inbound.protection.outlook.com mail-am0pr04cu00500.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 182ms

TXT Record
v=spf1 +ip4:35.214.132.215 +ip4:103.2.140.81 +ip4:5.254.55.40 +ip4:35.214.178.109 +a include:spf.protection.outlook.com +mx include:_4cbf5fbf4437e930b6d483a94f4fc0d4.spf.dnssmarthost.net ~all

✉️ SPF

Policy	Record (dueh.dk)
~all (soft fail)	v=spf1 +ip4:35.214.132.215 +ip4:103.2.140.81 +ip4:5.254.55.40 +ip4:35.214.178.109 +a include:spf.protection.outlook.com +mx include:_4cbf5fbf4437e930b6d483a94f4fc0d4.spf.dnssmarthost.net ~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)

🔐 DNSSEC121ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080402
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

43ms

MX

52ms

AAAA

57ms

TXT

182ms

CAA

94ms

HTTPS

42ms

TLSA

392ms

SOA

0ms

MTA-STS

129ms

DNSSEC

121ms

SRV

117ms

Total

1207ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 09:34:15	1207ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-25 17:24:42	1221ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-07 22:12:36	1981ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-09 05:37:36	1556ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-02 00:16:43	726ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-17 04:55:49	1010ms	2 NS 2 A 1 MX	🔒 Secure	View