`b.mx.a20.pl`

DNSSEC	⚠️ Not signed
A	93.185.100.244^{🇨🇿 VSHOSTING93.185.96.0/20 II.}
		PTR	`sns.nethost.sk`

`mx.a20.pl`

DNSSEC

⚠️ Not signed

MX for

a20.pl

Same first word

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b.io

b.ws

b.js.cn

b.je

b.country

b.ro

b.akamaiedge-staging.net

b.top

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b.gov.lv

b.co.kr

b.media

b.ee

b.ie

b.com.mx

b.com.de

b.gt

b.gp

b.digital

b.org

b.box

b.new

b.ls

b.st

b.cn

b.co.zw

b.watch

b.kz

b.cz

b.wtf

b.akamaiedge.net

b.my

b.gy

b.edu.vn

b.de

b.hn

b.center

b.movie

b.pl

b.kg

b.capital

b.fashion

b.sg

b.af

b.cc

b.camp

b.org.nz

b.githubusercontent.com

b.fyi

b.bi

b.bw

b.sh

b.vg

b.at

b.is

b.care

b.site

b.ph

b.lu

b.gd

b.ink

b.cd

b.gold

b.art.pl

b.uy

b.sc

b.co

b.systems

b.s3.amazonaws.com

b.vn.ua

b.beer

b.sk

b.glass

b.cr

b.lol

b.akamai.net

b.cash

b.fi

b.net.nz

b.hr

b.fm

b.company

b.qh.cn

b.app

b.vodka

b.doctor

b.me

b.aivencloud.com

b.br

b.nx.cn

b.cx

b.dk

b.gl

b.et

b.hm

b.info.pl

b.nu

b.link

b.co.nl

b.mr

b.ht

b.cm

b.biz

b.asia

b.green

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b.ai

b.akamai-staging.net

b.gov.au

b.fit

b.tc

b.gg

b.com.br

b.tv

b.hu

b.ddns.net

b.bike

b.game

b.to

b.ly

b.com.ua

b.eus

b.cl

b.fr

b.ath.cx

b.mw

DNS History

2 records (1 active, 1 former)

●A93.185.100.2442026-03-14 → 2026-04-26 · 3 obs

○ 2017-01-10 10:59:02
● 2026-03-14 20:43:10
● 2026-04-26 09:50:02

○A94.138.111.982015-07-23 → 2017-01-10 · 4 obs

● 2015-07-23 18:19:02
● 2017-01-10 10:59:02
○ 2026-03-14 20:43:10
○ 2026-04-26 09:50:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	f-dns.pl, b-dns.pl, j-dns.pl, h-dns.pl...	-
a20.pl	ns2.webmade.cz, ns1.webmade.cz	-

✅ Authoritative Response

Server:77.78.105.17

NS records: ns2.webmade.cz, ns1.webmade.cz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for a20.pl (unsigned zone)

⏱️ Timing

Total: 851ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`93.185.100.244`

Analysis

Mail Server Role

b.mx.a20.pl is the mail server for a20.pl.

Mail servers a.mx.a20.pl and c.mx.a20.pl are commonly used with b.mx.a20.pl.

IP Addresses

b.mx.a20.pl points to a single IP number: 93.185.100.244.

other host names for instance b.mx.kola-sterba.cz, b.mx.farnost-vlachovo-brezi.cz, b.mx.denism.net, b.mx.palirnakovo.cz and b.mx.male-sestry-jezisove.sk share IP numbers with b.mx.a20.pl.

b.mx.a20.pl - robtex.com

b.mx.a20.pl

mx.a20.pl