`mx2.decidecourse.net`

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`

`decidecourse.net`

	DNSSEC	⚠️ Not signed
	A	52.27.79.221^{🇺🇸 Amazon52.24.0.0/14 EC2 PDX prefix}
	NS	`ns1.decidecourse.net` ⭐
	NS	`ns1.csof.net`
	NS	`ns2.csof.net`
	NS	`ns3.csof.net`
	NS	`ns4.csof.net`
	MX	`mx1.decidecourse.net` ⭐
	MX	`mx2.decidecourse.net` ⭐
	TXT	`v=spf1 include:_incspfcheck.mailspike.net ?all`
	SOA	`ns1.decidecourse.net`hostmaster@decidecourse.net serial=1784981423

⚠️ On DNS blocklist: tif

MX for

decidecourse.net

Same first word

mx2.nl

mx2.llc

mx2.solutions

mx2.jp

mx2.memset.net

mx2.co

mx2.fr

mx2.se

mx2.uni5.net

mx2.dk

mx2.pb.gov.br

mx2.ru

mx2.cci.fr

mx2.me

mx2.uk

mx2.cc

mx2.dev

mx2.us

mx2.mx

mx2.sp.gov.br

mx2.vip

mx2.it

mx2.dnsup.net

mx2.in

mx2.info

mx2.live

mx2.gouv.km

mx2.nz

mx2.pl

mx2.cloudaccess.net

mx2.mil.lv

mx2.my

mx2.vg

mx2.com

mx2.io

mx2.life

mx2.mobi

mx2.email

mx2.bplaced.net

mx2.org

mx2.kinghost.net

mx2.eu

mx2.agency

mx2.gov.lk

mx2.kapsi.fi

mx2.red

mx2.gov.ru

mx2.net

mx2.in-berlin.de

mx2.hu

mx2.law

mx2.tuxfamily.org

mx2.at

mx2.cn

mx2.de

mx2.ca

Similar names

x2m.de

2mx.org

xm2.us

x2m.biz

2xm.ru

xm2.de

2xm.net

x2m.xyz

xm2.cl

x2m.com.br

xm2.nl

m2x.ru

2mx.co.uk

2mx.at

m2x.app

2mx.info

2xm.pt

m2x.net

xm2.com

2mx.nl

x2m.info

m2x.de

x2m.cn

2mx.ro

2mx.com.br

2xm.com

m2x.it

x2m.ru

2xm.cn

m2x.nl

m2x.alwaysdata.net

2mx.de

2mx.xyz

xm2.ru

2mx.com

xm2.it

x2m.org

m2x.ca

2mx.dev

2xm.dk

m2x.com

2xm.eu

2xm.de

2mx.eu

2xm.com.br

xm2.net

2xm.com.pl

m2x.fr

2mx.it

2mx.cn

2xm.pl

x2m.com

2mx.uk

xm2.casino

m2x.org

m2x.cz

m2x.com.tw

xm2.cn

m2x.io

xm2.org

m2x.eu

2mx.cc

m2x.cn

x2m.co.za

2mx.net

2mx.ru

DNS History

1 record (1 active, 0 former)

●A46.4.10.1732026-02-22 → 2026-07-25 · 2 obs

● 2026-02-22 15:22:08
● 2026-07-25 12:30:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
decidecourse.net	ns1.csof.net, ns2.csof.net, ns4.csof.net, ns3.csof.net	4 records

✅ 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 decidecourse.net (unsigned zone)

⏱️ Timing

Total: 89ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`46.4.10.173`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.csof.net, ns2.csof.net, ns4.csof.net...)

Analysis

Mail Server Role

The mail server mx2.decidecourse.net processes email for decidecourse.net.

mx1.decidecourse.net and mx2.decidecourse.net tend to appear jointly as mail servers.

IP Addresses

mx2.decidecourse.net resolves to just one IP address, 46.4.10.173.

Two other host names, along with mx2.e1b49dc827ab7b74a4860264ce34e465.com, mx2.aeufuaehfiuehfuhfr.cc and mx2.dcb306fdff675d90b827b662677d4603.com, also share IP numbers with mx2.decidecourse.net.

mx2.decidecourse.net - dns.ninja