mail.threesystem.com - dns.ninja

`mail.threesystem.com`

DNSSEC	⚠️ Not signed
A	188.40.1.102^{🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1}
		PTR	`www17.flk1.host-h.net`

`threesystem.com`

	DNSSEC	⚠️ Not signed
	A	188.40.1.102^{🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1}
	NS	`ns1.host-h.net` ⭐
	NS	`ns1.dns-h.com`
	NS	`ns2.dns-h.com`
	NS	`ns2.host-h.net`
	MX	`mail.threesystem.com` ⭐
	TXT	`v=spf1 mx a include:spf.host-h.net ?all`
	SOA	`ns1.host-h.net`postmaster@your-server.co.za 2021-12-27 #3

MX for

threesystem.com

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DNS History

1 record (1 active, 0 former)

●A188.40.1.1022026-04-05 → 2026-07-29 · 2 obs

● 2026-04-05 07:53:04
● 2026-07-29 10:52:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net...	-
threesystem.com	ns1.host-h.net, ns2.host-h.net, ns1.dns-h.com, ns2.dns-h.com	2 records

✅ Authoritative Response

Server:129.232.248.30

NS records: ns1.host-h.net, ns2.host-h.net, ns1.dns-h.com, ns2.dns-h.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for threesystem.com (unsigned zone)

⏱️ Timing

Total: 1207ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`188.40.1.102`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dns-h.com, ns2.dns-h.com)

Analysis

Mail Server Role

The mail server mail.threesystem.com processes email for threesystem.com.

IP Addresses

mail.threesystem.com resolves to just one IP address, 188.40.1.102.

Two other host names, along with mail.emiledutoit.co.za, www.duncandubois.co.za and eyime.com, also share IP numbers with mail.threesystem.com.