`mx4.alextrade.cz`

	DNSSEC	⚠️ Not signed
	A	194.228.94.23^{🇨🇿 O2-CZECH-REPUBLIC194.228.0.0/17 CZ.CZNET}

`alextrade.cz`

	DNSSEC	🔒 Signed (DS record present)
	A	188.175.112.75^{🇨🇿 AS16246188.175.0.0/16 RIO Media a.s.}
	NS	`ns1.websupport.cz` ⭐
	NS	`ns2.websupport.cz`
	NS	`ns3.websupport.eu`
	MX	`mx1.alextrade.cz` ⭐
	MX	`mx2.alextrade.cz` ⭐
	MX	`mx3.alextrade.cz`⁽²⁰⁾
	MX	`mx4.alextrade.cz`⁽³⁰⁾
	TXT	`v=spf1 mx a ip4:185.99.70.162/32 ip4:185.99.70.163/32 ip4:5.40.235.47/32 ip4:...`
	SOA	`ns1.websupport.cz`admin@websupport.cz serial=1776403017

MX for

alextrade.cz

Same first word

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Similar names

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4mx.at

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xm4.com

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4mx.com

4mx.it

4mx.se

4xm.be

x4m.cn

x4m.org

4mx.de

m4x.co.uk

m4x.us

DNS History

2 records (1 active, 1 former)

●A194.228.94.232026-02-23 → 2026-04-25 · 3 obs

○ 2017-02-10 03:19:24
● 2026-02-23 15:50:24
● 2026-04-25 21:35:24

○A5.40.235.472017-02-10 → 2017-02-10 · 3 obs

● 2017-02-10 03:19:24
○ 2026-02-23 15:50:24
○ 2026-04-25 21:35:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
alextrade.cz	ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu	-

✅ Authoritative Response

Server:45.10.97.13

NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1222ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`194.228.94.23`

Analysis

Mail Server Role

mx4.alextrade.cz acts as a mail server for alextrade.cz.

mx1.alextrade.cz, mx2.alextrade.cz and mx3.alextrade.cz are commonly used as mail servers together with mx4.alextrade.cz.

IP Addresses

mx4.alextrade.cz points to a single IP number: 194.228.94.23.

Other host names, for example mx3.alextrade.cz, mx2.alextrade.cz, mail.alextrade.cz and mx1.alextrade.cz share IP numbers with mx4.alextrade.cz.

mx4.alextrade.cz - robtex.com

mx4.alextrade.cz

alextrade.cz