🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`105.21.ftth.classcom.pl`

DNSSEC	⚠️ Not signed
A	176.115.21.105^{🇵🇱 CLASSCOM-AS176.115.0.0/19 CLASSCOM}
		PTR	`105.21.ftth.classcom.pl`

`21.ftth.classcom.pl`

DNSSEC

⚠️ Not signed

Same first word

105.mx

105.ca

105.bio

105.co.za

105.in

105.pt

105.digital

105.by

105.tw

105.ae

105.vc

105.se

105.pages.dev

105.eu

105.ai

105.dk

105.kz

105.org.ph

105.idv.tw

105.com.ua

105.it

105.bz

105.co.il

105.com

105.sx

105.at

105.ad

105.dyndns.org

105.su

105.org.il

105.io

105.ch

105.com.mx

105.homes

105.workers.dev

105.info

105.mk

105.group

105.co.jp

105.lv

105.edu.pl

105.cm

105.ph

105.cc

105.ooo

105.wine

105.tm

105.azurewebsites.net

105.bet

105.uk

105.ag

105.freeboxos.fr

105.fi

105.in-addr.arpa

105.onl

105.co

105.us.com

105.best

105.app

105.hk

105.am

105.ro

105.com.au

105.pl

105.si

105.ir

105.com.tr

105.com.tw

105.cn

105.gov.il

105.tel

105.me

105.lc

105.ovh

105.hu

105.jp

105.cz

105.ltd

105.es

105.tv

105.nl

105.fr

105.live

105.vin

105.net

105.rest

105.be

105.ru

105.com.ph

105.wtf

105.studio

105.lol

105.gr

105.de

105.org

105.net.au

105.cl

105.cam

105.org.uk

105.rs

105.nu

105.one

105.us

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510.dog

051.pl

510.net

150.sk

015.org.ua

501.wtf

501.fr

501.tw

150.org.cn

501.style

501.fun

510.workers.dev

501.co.il

501.co.uk

150.com.cn

510.buzz

051.xyz

150.tel

051.tech

015.dk

015.at

015.ro

150.se

501.pages.dev

150.cam

510.ua

015.tel

150.foundation

015.vg

150.app

150.today

015.li

150.fr

501.lt

150.onl

051.works

150.fyi

015.ph

150.run

510.af

051.wiki

501.bg

150.es

150.fitness

051.org

150.su

510.cz

501.marketing

051.pw

051.io

501.com.ph

051.cz

051.chat

150.com.ua

501.ph

150.ventures

015.ceo

015.sh

150.com.mx

510.tel

015.win

051.net

510.red

501.no

501.homes

051.fi

501.be

501.city

051.fr

501.at

150.lc

015.jp

510.me

150.cafe

150.net

150.pages.dev

015.workers.dev

501.cc

150.world

510.org.cn

510.net.ph

Previous names

Next names

DNS History

1 record (1 active, 0 former)

●A176.115.21.1052026-09-26 → 2026-10-18 · 2 obs

● 2026-09-26 02:47:06
● 2026-10-18 02:09:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
classcom.pl	dns.classcom.pl, dns2.classcom.pl	-

✅ Authoritative Response

Server:195.150.77.18

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classcom.pl (unsigned zone)

⏱️ Timing

Total: 374ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`176.115.21.105`

Analysis

IP Addresses

105.21.ftth.classcom.pl resolves to one IP address: 176.115.21.105.

105.21.ftth.classcom.pl - robtex.com