`mx.c-itsystems.com`

DNSSEC	⚠️ Not signed
A	94.152.13.52^{🇵🇱 CF-KRK94.152.0.0/20 Hx}
		PTR	`host52.e-kei.pl`

`c-itsystems.com`

	DNSSEC	⚠️ Not signed
	A	195.250.38.246^{🇵🇱 OK-AS195.250.38.0/24}
	NS	`ns1.kei.pl` ⭐
	NS	`ns2.kei.pl`
	MX	`poczta.c-itsystems.com` ⭐
	TXT	`v=spf1 a mx include:spf.tld.pl -all`
	TXT	`e27e92d4a67d766388e4a1b33eff3b91026170d61bb84699d2a12ceedd375d38`
	TXT	`1a1d45a6483a857a7636ed8a6f22e340895df4096beeb36772b2d158b4a52158`
	TXT	`87a6dc13762c154955aa7f1ddf817793bcc8cc8cef3206f7ee4f99325c63aac8`
	TXT	`44c0c4e4af19ff47f1c830a33d207503a330741e967a7e310756dccea402041e`
	TXT	`83c9144c5ddcce045ca71d35a65c2e3aa8a0a35e4e848a2435df7d3028f4916b`
	TXT	`MS=4E3F92350F8F6227EE0187F4D7CDE7505BD16883`
	SOA	`ns1.kei.pl`admin@kei.pl 2024-01-29 #1

PTR for

102.103.128.37.in-addr.arpa

Previously MX for

c-itsystems.com

Same first word

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.ro

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mx.fi

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mx.net

mx.box

mx.homelinux.com

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mx.se

mx.srv.br

mx.si

mx.de

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mx.nl

mx.com

mx

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mx.sb

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mx.nf

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mx.com.mx

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mx.123hjemmeside.no

mx.cl

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mx.uy

mx.dyndns-mail.com

mx.io

mx.co.ke

mx.vg

mx.gp

mx.gs

mx.global.prod.fastly.net

mx.com.pt

mx.ru

mx.services

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mx.ht

mx.uk

mx.no

mx.cloud.nospamproxy.com

mx.agency

mx.rs

mx.vc

mx.cloudflare.net

mx.ws

mx.plus

mx.zone

mx.co.za

mx.tours

mx.s3.amazonaws.com

mx.com.tw

mx.vu

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mx.ms

mx.network

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mx.gy

mx.pe

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mx.tn

mx.exchange

mx.kh.ua

mx.md

mx.to

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mx.graphics

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mx.support

mx.myftp.org

mx.duckdns.org

mx.kinghost.net

mx.money

mx.kasserver.com

mx.com.ar

mx.sytes.net

mx.center

mx.withyoutube.com

mx.mba

mx.co.uk

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

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xm.com

DNS History

2 records (1 active, 1 former)

○A37.128.103.1022015-06-04 → 2016-03-27 · 4 obs

● 2015-06-04 23:38:56
● 2016-03-27 13:25:22
○ 2026-02-22 22:48:22
○ 2026-03-26 15:19:14

●A94.152.13.522026-02-22 → 2026-03-26 · 3 obs

○ 2016-03-27 13:25:22
● 2026-02-22 22:48:22
● 2026-03-26 15:19:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net...	-
c-itsystems.com	ns1.kei.pl, ns2.kei.pl	-

✅ Authoritative Response

Server:94.152.254.100

NS records: ns1.kei.pl, ns2.kei.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c-itsystems.com (unsigned zone)

⏱️ Timing

Total: 1288ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`94.152.13.52`

Analysis

IP Addresses

mx.c-itsystems.com points to a single IP address: 94.152.13.52.

Other host names such as 5e980d34.static.tld.pl, poczta.c-itsystems.com, pks-przemysl.pl, holzmex.eu and host52.e-kei.pl share IP numbers with mx.c-itsystems.com.

mx.c-itsystems.com - robtex.com