dabu.dk DNS records

🖥️ Nameservers2 records 58ms

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 53ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.28	3600s	webcluster1.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records4 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	600s	dabu-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::d 2a01:111:f403:ca04::f 2a01:111:f403:ca09::6 52.101.68.0 52.101.68.15 52.101.73.6 52.101.73.8	mail-db5pr02cu00100.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db6pr03cu00107.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
10	600s	mx1.pub.mailpod4-cph3.one.com	185.164.14.38	mx1.pub.mailpod4-cph3.one.com	AS51468 One.com A/S
10	600s	mx2.pub.mailpod4-cph3.one.com	185.164.14.39	mx2.pub.mailpod4-cph3.one.com	AS51468 One.com A/S
10	600s	mx3.pub.mailpod4-cph3.one.com	185.164.14.40	mx3.pub.mailpod4-cph3.one.com	AS51468 One.com A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig	46.30.213.28

🔷 AAAA Records (IPv6)1 records 51ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:10a:e4:70cc:82c1:6e21	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 Records2 records 200ms

TXT Record
google-site-verification=HLbci9RuHJ_MB0MZY62uykSsNHT8qZ0J0VazUdQUAL4
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (dabu.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 / DANE3 records 326ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.pub.mailpod4-cph3.one.com	DANE-EE · SPKI · SHA-256	DE4E16A98E12EC166733B8CBCDB9940A…
SMTP _25._tcp.mx2.pub.mailpod4-cph3.one.com	DANE-EE · SPKI · SHA-256	DE4E16A98E12EC166733B8CBCDB9940A…
SMTP _25._tcp.mx3.pub.mailpod4-cph3.one.com	DANE-EE · SPKI · SHA-256	DE4E16A98E12EC166733B8CBCDB9940A…

🔐 DNSSEC98ms

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

🏷️ SOA49ms

Field	Value
Serial	2026081502
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

58ms

A

53ms

MX

51ms

AAAA

51ms

TXT

200ms

CAA

52ms

HTTPS

44ms

TLSA

326ms

SOA

49ms

MTA-STS

64ms

DNSSEC

98ms

SRV

94ms

Total

5721ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-17 10:30:16	5721ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-08-15 22:16:45	8800ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-26 05:03:10	883ms	2 NS 1 A 4 MX	🔒 Secure	View
2026-06-23 06:00:32	1035ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 23:36:34	881ms	2 NS 1 A 4 MX	🔒 Secure	View