mx4.pse.pl - dns.ninja

`mx4.pse.pl`

DNSSEC	⚠️ Not signed
A	91.209.155.6^{🇵🇱 PSE-OPERATOR-AS91.209.155.0/24 PSE Operator}
		PTR	`mx4.pse.pl`

`pse.pl`

	DNSSEC	⚠️ Not signed
	A	91.208.150.216^{🇵🇱 PSE-OPERATOR-AS91.208.150.0/24 PSE OPERATOR}
	NS	`dns-b1.pse.pl` ⭐
	NS	`dns-b2.pse.pl`
	NS	`dns-m1.pse.pl`
	NS	`dns1.exatel.pl` ⚠️ Not in parent delegation
	NS	`dns3.exatel.pl` ⚠️ Not in parent delegation
	NS	`ns1.internetia.pl` ⚠️ Not in parent delegation
	NS	`ns2.internetia.pl` ⚠️ Not in parent delegation
	MX	`mx1.pse.pl` ⭐
	MX	`mx2.pse.pl`⁽²⁶⁾
	MX	`mx3.pse.pl`⁽²⁷⁾
	MX	`mx4.pse.pl`⁽²⁸⁾
	TXT	`v=spf1 ip4:91.208.150.0/24 ip4:91.209.155.0/24 -all`
	TXT	`atlassian-domain-verification=3YMD13Ct9gA1J8pWtfhmXGEQwqFbnl4Ftipppo/PuQvtJF6...`
	SOA	`dns-b1.pse.pl`hostmaster@pse.pl 2026-07-28 #2

WOT: SAFE (64/100)
rank #156931 globally
rank #1081 in the tld
WOT: SAFE (78/100)
📈 Tranco rank: #109,466

PTR for

6.155.209.91.in-addr.arpa

MX for

zrsa.pl

epcon.pl

pse.pl

oire.pl

Same first word

mx4.cn

mx4.org

mx4.kinghost.net

mx4.net

mx4.fitness

mx4.ru

mx4.in-berlin.de

mx4.gov.ru

mx4.cloudaccess.net

mx4.gouv.ci

mx4.biz

mx4.myshopify.com

mx4.ch

mx4.pb.gov.br

mx4.me

mx4.com

mx4.de

mx4.uni5.net

mx4.pl

mx4.dk

mx4.vg

mx4.ca

mx4.fr

Similar names

m4x.com

4xm.net

4xm.biz

m4x.net

xm4.de

x4m.it

4mx.com

4mx.it

4mx.se

4xm.be

x4m.cn

x4m.org

4mx.de

m4x.es

m4x.co.uk

m4x.us

m4x.org

4mx.at

4mx.net

xm4.ru

m4x.pl

xm4.com

4xm.ca

m4x.cn

m4x.biz

4xm.cn

m4x.nl

xm4.net

m4x.at

4xm.com

m4x.de

m4x.fr

4mx.ru

m4x.fun

m4x.co

m4x.co.at

x4m.eu

m4x.ru

x4m.net

x4m.com

xm4.online

4xm.nl

x4m.de

4xm.de

4xm.dk

m4x.im

m4x.eu

m4x.info

m4x.dk

4xm.cc

x4m.ru

x4m.co

m4x.ca

4xm.eu

4xm.pl

DNS History

1 record (1 active, 0 former)

●A91.209.155.62021-03-28 → 2026-07-29 · 2 obs

● 2021-03-28 01:49:28
● 2026-07-29 15:54:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	f-dns.pl, j-dns.pl, b-dns.pl, a-dns.pl...	-
pse.pl	dns-m1.pse.pl, ns1.internetia.pl, ns2.internetia.pl, dns1.exatel.pl...	6 records

✅ Authoritative Response

Server:91.208.150.222

NS records: dns-m1.pse.pl, ns1.internetia.pl, ns2.internetia.pl, dns1.exatel.pl, dns-b1.pse.pl, dns-b2.pse.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pse.pl (unsigned zone)

⏱️ Timing

Total: 417ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.209.155.6`

📌 Glue Records Collected

Total: 6

In-bailiwick: 3 (dns-b1.pse.pl, dns-b2.pse.pl, dns-m1.pse.pl)

Out-of-bailiwick: 3 (dns1.exatel.pl, ns2.internetia.pl, ns1.internetia.pl)

Analysis

Mail Server Role

mx4.pse.pl is an MX server for zrsa.pl, epcon.pl, pse.pl and oire.pl.

The mail servers mx1.pse.pl, mx2.pse.pl and mx3.pse.pl are commonly grouped with mx4.pse.pl.

IP Addresses

mx4.pse.pl resolves to just one IP address, 91.209.155.6.