dui.dk DNS records

🖥️ Nameservers2 records 37ms

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 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
45.148.28.150	600s	dui.dk	AS44803	Webdock.io ApS	45.148.28.0/22	🇩🇰 Denmark	Asperup

📧 MX Records1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dui-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::26 2a01:111:f403:ca09::28 2a01:111:f403:ca09::c 52.101.68.12 52.101.68.3 52.101.68.39 52.101.73.16	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00403.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as2pr05cu00100.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
🔶 Autoconfig	45.148.28.150

🔷 AAAA Records (IPv6)1 records 46ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:1301:4050:45:148:28:150:0	43200s	dui.dk	AS44803	Webdock.io ApS	2a06:1301:4050:0:0:0:0:0/48	🇩🇰 Denmark	Nørre Åby

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 84ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 180ms

TXT Record
ms-domain-verification=1cd57bed-3eef-400a-87d8-b3f93a82fd28
ms-domain-verification=b81cb3ae-61d1-48fa-9f6a-5e2b45cc1277
v=spf1 a mx include:spf.protection.outlook.com a:mail.kimdamgroenhoej.dk include:spf.mira.dk -all

✉️ SPF

Policy	Record (dui.dk)
-all (hard fail)	v=spf1 a mx include:spf.protection.outlook.com a:mail.kimdamgroenhoej.dk include:spf.mira.dk -all

📨 DMARC

Policy	Record (_dmarc.dui.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=s; aspf=s;

📬 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)

🔐 DNSSEC108ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080701
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

37ms

A

55ms

MX

46ms

AAAA

46ms

TXT

180ms

CAA

73ms

HTTPS

67ms

TLSA

330ms

SOA

0ms

MTA-STS

76ms

DNSSEC

108ms

SRV

84ms

Total

974ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 20:13:56	974ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 22:31:56	6892ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-09 19:07:36	1570ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 04:43:21	1357ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 17:23:45	1053ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 05:11:32	2824ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 05:10:54	14359ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 05:08:38	822ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 05:00:41	2834ms	2 NS 1 A 1 MX	🔒 Secure	View