broadhorizon.dk DNS records

🖥️ Nameservers3 records 39ms

Nameserver	IP addresses	PTR	ASN / ISP
auth01.dns.trueserver.nl	2001:9a8:0:10::2 213.193.210.2	auth01.dns.trueserver.nl auth01.dns.trueserver.nl	AS15703 TrueFullstaq B.V. AS15703 TrueFullstaq B.V.
auth02.dns.trueserver.nl	193.28.152.2 2001:9a8:0:11::2	auth02.dns.trueserver.nl auth02.dns.trueserver.nl	AS15703 TrueFullstaq B.V. AS15703 TrueFullstaq B.V.
auth03.dns.trueserver.nl	2001:9a8:0:12::2 213.239.136.2	auth03.dns.trueserver.nl auth03.dns.trueserver.nl	AS15703 TrueFullstaq B.V. AS15703 TrueFullstaq B.V.

🌍 A Records1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.233.177.79	86400s	true.nl	AS15703	TrueFullstaq B.V.	87.233.0.0/16	🇳🇱 The Netherlands	—

📧 MX Records1 records 44ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	broadhorizon-dk.mail.protection.outlook.com	2a01:111:f403:ca04::c 2a01:111:f403:ca09::2 2a01:111:f403:ca09::7 2a01:111:f403:ca09::c 52.101.103.137 52.101.73.12 52.101.73.15 52.101.73.8	mail-db9pr02cu00204.inbound.protection.outlook.com mail-am0pr83cu00402.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am9pr04cu00107.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 234ms

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

✉️ SPF

Policy	Record (broadhorizon.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.broadhorizon.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:3noj07ww@ag.eu.dmarcadvisor.com;

📬 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)

🔐 DNSSEC124ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	2021041507
Primary NS (MNAME)	auth01.dns.trueserver.nl
Responsible (RNAME)	hostmaster@trueserver.nl
Refresh	86400s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

39ms

A

40ms

MX

44ms

AAAA

45ms

TXT

234ms

CAA

36ms

HTTPS

49ms

TLSA

359ms

SOA

0ms

MTA-STS

77ms

DNSSEC

124ms

SRV

68ms

Total

3960ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 14:34:08	3960ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 17:18:48	2982ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 17:16:45	2018ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 17:05:41	956ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 17:00:06	3154ms	3 NS 1 A 1 MX	🔓 Insecure	View