horizontelecom.dk DNS records

🖥️ Nameservers3 records 70ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.openprovider.nl	162.159.26.10 2400:cb00:2049:1::a29f:1a0a	— —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ns2.openprovider.be	162.159.27.96 2400:cb00:2049:1::a29f:1b60	— —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ns3.openprovider.eu	162.159.48.89 2400:cb00:2049:1::a29f:3059	— —	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 71ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
149.210.205.148	900s	ptr.isdncollectief.nl	AS20857	Signet B.V.	149.210.128.0/17	🇳🇱 The Netherlands	Zwijndrecht

📧 MX Records1 records 88ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	horizontelecom-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca04::a 2a01:111:f403:ca04::e 2a01:111:f403:ca09::4 52.101.68.15 52.101.68.32 52.101.73.4 52.101.73.8	mail-db5pr02cu00100.inbound.protection.outlook.com mail-du0pr03cu00102.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-am0pr83cu00404.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	horizontelecom.dk → 149.210.205.148
🔶 Autoconfig	horizontelecom.dk → 149.210.205.148

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 309ms

TXT Record
google-site-verification=OwfAOQKd5jC9mPm8HBWDjoeWNkl1hUDngStExKDX47M
MS=ms47219219
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (horizontelecom.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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.horizontelecom.dk	horizontelecom.dk

🔗 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	2023111606
Primary NS (MNAME)	ns1.openprovider.nl
Responsible (RNAME)	dns@openprovider.eu
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

70ms

A

71ms

MX

88ms

AAAA

120ms

TXT

309ms

CAA

79ms

HTTPS

57ms

TLSA

314ms

SOA

0ms

MTA-STS

81ms

DNSSEC

124ms

SRV

133ms

Total

1196ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 15:00:58	1196ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 04:09:38	1519ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 14:04:43	1293ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 08:14:00	907ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 09:42:09	1336ms	3 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 13:20:32	281ms	0 NS 0 A 0 MX	❓ Unknown	View