`mx2.qctoi.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`

`qctoi.com`

	DNSSEC	⚠️ Not signed
	A	54.146.6.253^{🇺🇸 Amazon54.144.0.0/14 EC2 IAD NAT prefix}
	NS	`ns1.qctoi.com` ⭐
	NS	`ns1.csof.net`
	NS	`ns2.csof.net`
	NS	`ns3.csof.net`
	NS	`ns4.csof.net`
	MX	`mx1.qctoi.com` ⭐
	MX	`mx2.qctoi.com` ⭐
	TXT	`v=spf1 include:_incspfcheck.mailspike.net ?all`
	SOA	`ns1.qctoi.com`hostmaster@qctoi.com serial=1785849264

⚠️ On DNS blocklist: tif

MX for

qctoi.com

Same first word

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2xm.eu

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xm2.life

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xm2.net

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DNS History

1 record (1 active, 0 former)

●A46.4.10.1732026-08-08 → 2026-08-08 · 2 obs

● 2026-08-08 05:02:42
● 2026-08-08 06:51:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
qctoi.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 qctoi.com (unsigned zone)

⏱️ Timing

Total: 400ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.4.10.173`

Analysis

Mail Server Role

qctoi.com uses mx2.qctoi.com as a mail server.

mx1.qctoi.com is often seen acting as a mail server in combination with mx2.qctoi.com.

IP Addresses

mx2.qctoi.com resolves to one IP address: 46.4.10.173.

mx2.avs4soft.com, mx2.dnsnb8.net, mx2.corianderaraminta.net and two other host names share IP numbers with mx2.qctoi.com.

mx2.qctoi.com - robtex.com

mx2.qctoi.com

qctoi.com