`mx3.koelner.com.pl`

DNSSEC	⚠️ Not signed
A	89.171.140.90^{🇵🇱 AS-NETIA89.171.0.0/16}
		PTR	`mx4.koelner.pl`

`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)

Previously MX for

koelner.com.pl

Same first word

mx3.uni5.net

mx3.email

mx3.pb.gov.br

mx3.ph

mx3.cn

mx3.me

mx3.ru

mx3.org

mx3.tv

mx3.us

mx3.at

mx3.co

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mx3.ca

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mx3.jp

mx3.cc

mx3.app

mx3.gouv.ci

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mx3.no

mx3.kasserver.com

mx3.in-berlin.de

mx3.kinghost.net

mx3.name

mx3.com

mx3.ch

mx3.gov.ru

mx3.fm

mx3.nl

mx3.dk

mx3.gov.lk

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3xm.at

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DNS History

3 records (1 active, 2 former)

○A157.25.178.1862016-02-15 → 2016-08-20 · 5 obs

○ 2015-06-06 13:36:40
● 2016-02-15 23:31:24
● 2016-08-20 23:51:04
○ 2026-02-26 16:31:24
○ 2026-04-23 21:38:40

○A62.233.178.352015-06-06 → 2015-06-06 · 3 obs

● 2015-06-06 13:36:40
○ 2016-02-15 23:31:24
○ 2026-04-23 21:38:40

●A89.171.140.902026-02-26 → 2026-04-23 · 3 obs

○ 2016-08-20 23:51:04
● 2026-02-26 16:31:24
● 2026-04-23 21:38:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	a-dns.pl, b-dns.pl, d-dns.pl, f-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:13.107.206.32

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: 694ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.171.140.90`

Analysis

IP Addresses

mx3.koelner.com.pl points to a single IP: 89.171.140.90.

Other host names, for instance mx1.koelner.com.pl, mx4.koelner.pl, mx3.koelner.pl, dns1.koelner.com.pl and mx4.koelner.com.pl share IP numbers with mx3.koelner.com.pl.

mx3.koelner.com.pl - robtex.com