`mx.sum.edu.pl`

DNSSEC	⚠️ Not signed
A	213.227.98.133^{🇵🇱 SILWEB-AS-EDU213.227.96.0/19 PL-CKPOLSL-NET-20001016-EDU SUM}
		PTR	`mx.sum.edu.pl`
TXT	`v=spf1 ip4:213.227.98.133 -all`

`sum.edu.pl`

	DNSSEC	⚠️ Not signed
	A	213.227.98.247^{🇵🇱 SILWEB-AS-EDU213.227.96.0/19 PL-CKPOLSL-NET-20001016-EDU SUM}
	NS	`ns1.sum.edu.pl` ⭐
	NS	`ns1.silweb.pl`
	NS	`ns2.sum.edu.pl`
	MX	`mx.sum.edu.pl` ⭐
	MX	`mx.silweb.pl`⁽²⁰⁾
	TXT	`v=spf1 ip4:213.227.98.97 ip4:213.227.98.98 ip4:213.227.98.133 ip4:213.227.98....`
	TXT	`apple-domain-verification=zyGTDXkLdaZ9MNY5`
	TXT	`mojecertpl-site-verification-alPZKwvHzlmRJOTLtFFd2rhAnHE1VUEJ`
	SOA	`ns1.sum.edu.pl`hostmaster@sum.edu.pl 2026-03-23 #0

WOT: SAFE (62/100)
rank #231505 globally
rank #1474 in the tld
WOT: SAFE (75/100)
📈 Tranco rank: #137,845

PTR for

133.98.227.213.in-addr.arpa

MX for

sum.edu.pl

Previously MX for

kraum.org.pl

Same first word

mx.su

mx.com.au

mx.123hjemmeside.no

mx.cl

mx.by

mx.bplaced.net

mx.uy

mx.dyndns-mail.com

mx.io

mx.co.ke

mx.vg

mx.gp

mx.cloudaccess.net

mx.gs

mx.global.prod.fastly.net

mx.com.pt

mx.ru

mx.services

mx.pl

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

mx.biz

mx.ms

mx.network

mx.se.gov.br

mx.gy

mx.pe

mx.realm.cz

mx.tn

mx.exchange

mx.kh.ua

mx.md

mx.to

mx.saotome.st

mx.cm

mx.graphics

mx.cx

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

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

mx.casino

mx.ma

mx.dyndns.org

mx.sh

mx.ax

mx.lv

mx.or.at

mx.cn

mx.servebbs.org

mx.microsoft

mx.ph

mx.myftp.biz

mx.com.tr

mx.be

mx.guru

mx.selfip.com

mx.co

mx.ro

mx.com.kz

mx.ru.net

mx.firewall-gateway.de

mx.mayfirst.org

mx.ag

mx.ee

mx.net.ru

mx.fi

mx.cz

mx.co.kr

mx.net

mx.box

Similar names

xm.de

xm.cl

xm.sk

xm.se

xm.hu

xm.com.co

xm.africa

xm.fi

xm.is

xm.am

xm.money

xm.be

xm.cz

xm.hk.cn

xm.fj.cn

xm.pl

xm.vn.ua

xm.house

xm.mk

xm.com

xm.biz

xm.media

xm.fyi

xm.pe

xm.wtf

DNS History

1 record (1 active, 0 former)

●A213.227.98.1332015-02-07 → 2026-03-29 · 2 obs

● 2015-02-07 07:59:32
● 2026-03-29 06:14:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...	-
sum.edu.pl	ns1.silweb.pl, ns1.sum.edu.pl, ns2.sum.edu.pl	2 records

✅ Authoritative Response

Server:213.227.98.130

NS records: ns1.silweb.pl, ns1.sum.edu.pl, ns2.sum.edu.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sum.edu.pl (unsigned zone)

⏱️ Timing

Total: 853ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`213.227.98.133`
TXT	1	`v=spf1 ip4:213.227.98.133 -all`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns2.sum.edu.pl, ns1.sum.edu.pl)

Analysis

Mail Server Role

mx.sum.edu.pl serves as the mail server for sum.edu.pl.

mx.silweb.pl is commonly used as a mail server with mx.sum.edu.pl.

IP Addresses

mx.sum.edu.pl resolves to a single IP address: 213.227.98.133.

Other host names, for instance mx.slam.katowice.pl, share IP numbers with mx.sum.edu.pl.

mx.sum.edu.pl - robtex.com

mx.sum.edu.pl

sum.edu.pl