`mail.horizontal-systems.com`

	DNSSEC	⚠️ Not signed
	A	216.227.216.45^{🇨🇦 AS214025216.227.216.0/24}

`horizontal-systems.com`

	DNSSEC	⚠️ Not signed
	A	209.200.244.56^{🇨🇦 WEBBING-USA-ASN209.200.244.0/23 ipxo}
	NS	`ns-1309.awsdns-35.org` ⭐
	NS	`ns-1966.awsdns-53.co.uk`
	NS	`ns-267.awsdns-33.com`
	NS	`ns-943.awsdns-53.net`
	TXT	`v=spf1 include:spf.protection.outlook.com -all`
	SOA	`ns-1309.awsdns-35.org`awsdns-hostmaster@amazon.com serial=1

Previously MX for

horizontal-systems.com

Same first word

mail.ge

mail.egoism.jp

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mail.run

mail.edu.rs

mail.lt

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mail.sl

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DNS History

1 record (1 active, 0 former)

●A216.227.216.452015-05-22 → 2026-08-06 · 2 obs

● 2015-05-22 11:27:56
● 2026-08-06 19:17:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, i.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net...	-
horizontal-systems.com	ns-267.awsdns-33.com, ns-943.awsdns-53.net, ns-1309.awsdns-35.org, ns-1966.awsdns-53.co.uk	2 records

✅ Authoritative Response

Server:205.251.197.29

NS records: ns-267.awsdns-33.com, ns-943.awsdns-53.net, ns-1309.awsdns-35.org, ns-1966.awsdns-53.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for horizontal-systems.com (unsigned zone)

⏱️ Timing

Total: 296ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.227.216.45`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-267.awsdns-33.com, ns-267.awsdns-33.com)

Analysis

IP Addresses

mail.horizontal-systems.com has exactly one IP address — 216.227.216.45.

mail.anthonynero.com, mail.fashionableproductions.com, mail.ellenrizzi.com plus two other host names have IP numbers in common with mail.horizontal-systems.com.

mail.horizontal-systems.com - robtex.com