`mx2.hostoperationsystems.com`

DNSSEC	⚠️ Not signed
A	46.4.10.173^{🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3}
		PTR	`static.173.10.4.46.clients.your-server.de`

`hostoperationsystems.com`

	DNSSEC	⚠️ Not signed
	A	50.16.27.236^{🇺🇸 Amazon50.16.0.0/16 EC2 IAD prefix}
	NS	`ns1.hostoperationsystems.com` ⭐
	NS	`ns1.csof.net`
	NS	`ns2.csof.net`
	NS	`ns3.csof.net`
	NS	`ns4.csof.net`
	MX	`mx1.hostoperationsystems.com` ⭐
	MX	`mx2.hostoperationsystems.com` ⭐
	TXT	`v=spf1 include:_incspfcheck.mailspike.net ?all`
	SOA	`ns1.hostoperationsystems.com`hostmaster@hostoperationsystems.com serial=1778685505

⚠️ On DNS blocklist: tif

MX for

hostoperationsystems.com

www.hostoperationsystems.com

Same first word

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DNS History

1 record (1 active, 0 former)

●A46.4.10.1732026-05-13 → 2026-05-13 · 2 obs

● 2026-05-13 11:23:40
● 2026-05-13 15:22:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
hostoperationsystems.com	ns1.csof.net, ns2.csof.net, ns4.csof.net, ns3.csof.net	-

✅ Authoritative Response

Server:18.205.186.231

NS records: ns1.csof.net, ns2.csof.net, ns4.csof.net, ns3.csof.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for hostoperationsystems.com (unsigned zone)

⏱️ Timing

Total: 347ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.4.10.173`

Analysis

Mail Server Role

mx2.hostoperationsystems.com serves as the mail server for hostoperationsystems.com and www.hostoperationsystems.com.

mx1.hostoperationsystems.com is commonly used as a mail server with mx2.hostoperationsystems.com.

IP Addresses

mx2.hostoperationsystems.com points to IP number 46.4.10.173.

For instance, other host names mx2.klbaccpoqquilwmyaxcy.com, mx2.cciahe2b6d52b62b.net, mx2.diarndd.com, mx2.9d97c216237eef846aa819dac33c1ff1.com and mx2.fa609a7636946b13cbf8a823e3ae1471.com share IP numbers with mx2.hostoperationsystems.com.

mx2.hostoperationsystems.com - robtex.com