`mx.sgr.cz`

DNSSEC	⚠️ Not signed
A	178.217.244.35^{🇨🇿 KRAXNET-AS178.217.240.0/21 KRAXNET s.r.o.}
		PTR	`frontend-1.sworp.com`

`sgr.cz`

	DNSSEC	⚠️ Not signed
	A	178.217.244.35^{🇨🇿 KRAXNET-AS178.217.240.0/21 KRAXNET s.r.o.}
	NS	`ns.kraxnet.cz` ⭐
	NS	`ns.kraxnet.com`
	MX	`mx.sgr.cz` ⭐
	SOA	`ns.kraxnet.cz`admin@kraxnet.cz 2017-07-28 #7

MX for

sgr.cz

Same first word

mx.co.at

mx.ua

mx.csb.app

mx.au

mx.go.gov.br

mx.com.mx

mx.dev

mx.su

mx.com.au

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mx.s3-website-us-east-1.amazonaws.com

mx.design

mx.s3-website-us-west-1.amazonaws.com

mx.msk.ru

mx.scrapping.cc

mx.tv

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mx.ma

mx.dyndns.org

mx.sh

mx.ax

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mx.or.at

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mx.servebbs.org

mx.microsoft

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mx.myftp.biz

mx.com.tr

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mx.selfip.com

mx.co

mx.ro

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mx.ru.net

mx.firewall-gateway.de

mx.mayfirst.org

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xm.sk

xm.se

xm.hu

xm.com.co

xm.africa

xm.fi

xm.is

xm.am

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xm.house

xm.mk

xm.com

xm.biz

xm.media

xm.fyi

xm.pe

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xm.nl

xm.cn

DNS History

3 records (1 active, 2 former)

●A178.217.244.352016-04-30 → 2026-03-26 · 3 obs

○ 2016-02-14 14:51:40
● 2016-04-30 06:12:00
● 2026-03-26 10:55:40

○A82.113.55.1062015-07-17 → 2016-02-14 · 4 obs

● 2015-07-17 13:36:58
● 2016-02-14 14:51:40
○ 2016-04-30 06:12:00
○ 2026-03-26 10:55:40

○A82.113.55.912015-07-17 → 2016-02-14 · 4 obs

● 2015-07-17 13:36:58
● 2016-02-14 14:51:40
○ 2016-04-30 06:12:00
○ 2026-03-26 10:55:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
sgr.cz	ns.kraxnet.cz, ns.kraxnet.com	2 records

✅ Authoritative Response

Server:212.24.155.205

NS records: ns.kraxnet.cz, ns.kraxnet.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sgr.cz (unsigned zone)

⏱️ Timing

Total: 1369ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`178.217.244.35`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.kraxnet.cz, ns.kraxnet.cz)

Analysis

Mail Server Role

mx.sgr.cz is the mail server for sgr.cz.

IP Addresses

mx.sgr.cz points to a single IP number: 178.217.244.35.

other host names for instance wash.cz, prosquash.cz, mx.pgf.cz, mx.hranac.cz and wellsense.cz share IP numbers with mx.sgr.cz.

mx.sgr.cz - robtex.com

mx.sgr.cz

sgr.cz