dk3.dk DNS records

🖥️ Nameservers2 records 447ms

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 446ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.40.29.51	600s	dedi3051.your-server.de	AS24940	Hetzner Online GmbH	188.40.0.0/16	🇩🇪 Germany	Nuremberg

📧 MX Records1 records 372ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	dk3-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca09::2 2a01:111:f403:ca09::20 2a01:111:f403:ca09::c 52.101.68.0 52.101.68.10 52.101.68.8 52.101.73.26	mail-db4pr02cu00204.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-dbbpr03cu00102.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-as9pr05cu01302.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 → 40.104.116.56
🔶 Autoconfig	dk3.dk → 188.40.29.51

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 921ms

TXT Record
google-site-verification=G8B41_fW7_krRyeTa8X3Dr8cjIWPXBTDq77VaiTk7F4
v=spf1 include:spf.protection.outlook.com include:_spf.presscloud.com ip4:89.150.134.201 include:spf.eu.signature365.net include:spf.curanet.dk -all

✉️ SPF

Policy	Record (dk3.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_spf.presscloud.com ip4:89.150.134.201 include:spf.eu.signature365.net include:spf.curanet.dk -all

📨 DMARC

Policy	Record (_dmarc.dk3.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:watchdog2@watchdog.kevlarr.io; ruf=mailto:watchdog2@watchdog.kevlarr.io;

📬 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)

🔐 DNSSEC669ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081501
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

447ms

A

446ms

MX

372ms

AAAA

431ms

TXT

921ms

CAA

423ms

HTTPS

401ms

TLSA

445ms

SOA

0ms

MTA-STS

592ms

DNSSEC

669ms

SRV

430ms

Total

5496ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-16 20:15:59	5496ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 08:46:52	2045ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 03:25:40	1343ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 22:00:29	2503ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-21 04:55:08	2479ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-19 14:03:06	1441ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 03:42:34	744ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 03:40:59	2475ms	2 NS 1 A 1 MX	🔒 Secure	View