🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`131.51.classcom.pl`

DNSSEC	⚠️ Not signed
A	195.150.51.131^{🇵🇱 CLASSCOM-AS195.150.48.0/20}
		PTR	`131.51.classcom.pl`

`51.classcom.pl`

DNSSEC

⚠️ Not signed

PTR for

131.51.150.195.in-addr.arpa

Same first word

131.by

131.in

131.group

131.hk

131.jp

131.org.uk

131.nz

131.canva-apps.cn

131.la

131.tech

131.co.in

131.kz

131.com.cn

131.cm

131.workers.dev

131.fr

131.ca

131.hu

131.me

131.pages.dev

131.pl

131.co.jp

131.nl

131.co.il

131.com

131.vercel.app

131.onl

131.ir

131.ovh

131.casino

131.finance

131.io

131.ltd

131.ad

131.cz

131.ws

131.plus

131.pizza

131.net

131.pp.ua

131.bio

131.cn

131.ai

131.vg

131.wine

131.tm

131.digital

131.ge

131.ru

131.lv

131.org

131.in-addr.arpa

131.cc

131.ph

131.wtf

131.org.cn

131.de

131.com.au

131.com.ua

131.fi

131.co.uk

131.ie

131.bar

131.bi

131.ooo

131.baby

131.uz

131.one

131.top

131.xyz

131.com.tw

131.lol

131.life

131.dk

131.at

131.tw

131.ag

131.rodeo

131.as

131.go.kr

131.net.ph

131.be

131.tel

131.us

131.app

131.cl

131.ch

131.games

131.im

131.tv

131.uk

131.to

131.mom

131.co.za

131.bz

131.homes

131.it

131.aw

131.world

131.online

131.gd

131.com.ph

131.city

131.gr

Similar names

311.onl

311.la

311.ir

311.co.in

113.dk

311.ca

113.co

113.solutions

113.biz

311.express

311.hk

311.contact

311.wiki

113.life

113.la

311.ro

113.one

311.nl

311.fo

113.lu

113.pages.dev

113.cam

113.vg

311.su

113.lv

113.casino

311.cc

113.nz

113.mn

113.at

311.cx

311.ag

311.cl

113.be

113.cz

311.moe

113.cn.com

311.jp.net

113.cl

311.bio

113.ph

311.cz

311.im

113.mx

311.wine

113.vn

311.best

311.cn.com

311.nz

311.cam

311.run

311.chat

113.ir

311.co

311.com.tw

113.uk.com

113.video

113.me

113.de

311.xyz

311.vg

311.workers.dev

113.no

113.fm

113.tm

311.pub

113.co.in

311.no

311.dk

311.cm

311.net.ph

113.in-addr.arpa

Previous names

Next names

DNS History

1 record (1 active, 0 former)

●A195.150.51.1312017-06-11 → 2026-10-17 · 2 obs

● 2017-06-11 17:45:26
● 2026-10-17 11:03:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...	-
classcom.pl	dns2.classcom.pl, dns.classcom.pl	4 records

✅ Authoritative Response

Server:195.150.77.18

NS records: dns2.classcom.pl, dns.classcom.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classcom.pl (unsigned zone)

⏱️ Timing

Total: 894ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`195.150.51.131`

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (dns.classcom.pl, dns2.classcom.pl, dns.classcom.pl...)

Analysis

IP Addresses

131.51.classcom.pl resolves to one IP address: 195.150.51.131.

131.51.classcom.pl - robtex.com