`mx4.koelner.com.pl`

	DNSSEC	⚠️ Not signed
	A	89.171.140.90^{🇵🇱 AS-NETIA89.171.0.0/16}

`koelner.com.pl`

	DNSSEC	⚠️ Not signed
	A	89.171.64.158^{🇵🇱 AS-NETIA89.171.0.0/16}
	NS	`ns1-32.azure-dns.com` ⭐
	NS	`ns2-32.azure-dns.net`
	NS	`ns3-32.azure-dns.org`
	NS	`ns4-32.azure-dns.info`
	MX	`koelner-pl.mail.protection.outlook.com` ⭐
	MX	`mx1.koelner.com.pl`⁽²⁰⁾
	MX	`mx4.koelner.com.pl`⁽³⁰⁾
	TXT	`v=DMARC1; p=none; rua=mailto:security@rawlplug.com; ruf=mailto:security@rawlp...`
	TXT	`v=spf1 mx a ip4:89.171.140.90 include:spf.protection.outlook.com include:_spf...`
	SOA	`ns1-32.azure-dns.com`azuredns-hostmaster@microsoft.com serial=1

WOT: SAFE (62/100)
WOT: SAFE (68/100)

MX for

koelner.com.pl

Same first word

mx4.fitness

mx4.ru

mx4.in-berlin.de

mx4.gov.ru

mx4.cloudaccess.net

mx4.gouv.ci

mx4.biz

mx4.ch

mx4.pb.gov.br

mx4.me

mx4.info

mx4.com

mx4.de

mx4.uni5.net

mx4.pl

mx4.dk

mx4.vg

mx4.ca

mx4.fr

mx4.cn

mx4.org

mx4.kinghost.net

mx4.net

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4xm.de

4xm.dk

m4x.im

m4x.eu

m4x.info

m4x.dk

4xm.cc

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x4m.co

m4x.ca

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m4x.nl

xm4.net

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m4x.de

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DNS History

1 record (1 active, 0 former)

●A89.171.140.902026-02-26 → 2026-04-24 · 2 obs

● 2026-02-26 16:31:24
● 2026-04-24 19:04:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	f-dns.pl, j-dns.pl, b-dns.pl, a-dns.pl...	-
koelner.com.pl	ns4-32.azure-dns.info, ns2-32.azure-dns.net, ns1-32.azure-dns.com, ns3-32.azure-dns.org	-

✅ Authoritative Response

Server:13.107.222.32

NS records: ns4-32.azure-dns.info, ns2-32.azure-dns.net, ns1-32.azure-dns.com, ns3-32.azure-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koelner.com.pl (unsigned zone)

⏱️ Timing

Total: 573ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.171.140.90`

Analysis

Mail Server Role

mx4.koelner.com.pl is the mail server for koelner.com.pl.

mx1.koelner.com.pl and koelner-pl.mail.protection.outlook.com are commonly used as mail servers alongside mx4.koelner.com.pl.

IP Addresses

mx4.koelner.com.pl resolves to one IP number: 89.171.140.90.

other host names including mx1.koelner.com.pl, mx4.koelner.pl, mx3.koelner.pl, mx3.koelner.com.pl and dns1.koelner.com.pl share IP numbers with mx4.koelner.com.pl.

mx4.koelner.com.pl - robtex.com