🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`0.21.ftth.classcom.pl`

DNSSEC	⚠️ Not signed
A	176.115.21.0^{🇵🇱 CLASSCOM-AS176.115.0.0/19 CLASSCOM}
		PTR	`0.21.ftth.classcom.pl`

`21.ftth.classcom.pl`

DNSSEC

⚠️ Not signed

Same first word

0.law

0.cymru

0.ie

0.org.ua

0.digital

0.berlin

0.md

0.legal

0.wine

0.ag

0.com.ar

0.org.uk

0.casino

0.to

0.new

0.org.vn

0.info.pl

0.com.pl

0.pub

0.fund

0.design

0.cr

0.icu

0.financial

0.ht

0.photo

0.fail

0.fit

0.je

0.cards

0.co.uk

0.com.ua

0.ngrok.pro

0.ph

0.ventures

0.sd

0.gg

0.tuxfamily.org

0.nom.co

0.(0x736578)

0.country

0.security

0.click

0.box

0.dj

0.dk

0.club

0.eu.ngrok.io

0.tax

0.amsterdam

0.ls

0.bo

0.hb.cn

0.servehttp.com

0.de

0.foo

0.meteorapp.com

0.nu

0.creditcard

0.ly

0.kg

0.tv

0.ar

0.nf

0.biz

0.io

0.fashion

0.help

0.town

0.web.pk

0.com.cm

0.com.my

0.at

0.com.ai

0.clinic

0.ro

0.solutions

0.net.pl

0.se

0.vin

0.hm

0.mr

0.org

0.as

0.s3.amazonaws.com

0.ngrok.dev

0.ac

0.directory

0.cl

0.co

0.workers.dev

0.cc.ua

0.ai.vn

0.football

0.od.ua

0.reise

0.org.pl

0.farm

0.appspot.com

0.sa.ngrok.io

0.email

0.link

0.gold

0.cm

0.golf

0.network

0.info

0.is-a.dev

0.eu.meteorapp.com

0.mw

0.biz.my

0.googlecode.com

0.rodeo

0.ws

0.co.kr

0.space

0.td

0.asia

0.edu.kg

0.fr

0.cz

0.rich

0.abogado

0.cg

0.com.vn

0.tl

0.(0x787878)

0.works

0.beer

0.mo.cn

0.sb

0.team

0.xyz

0.coffee

0.s3-website-us-east-1.amazonaws.com

0.kiwi

0.lat

0.garden

0.cc

0.com.co

0.edu.vn

0.pl

0.sh

0.netlify.app

0.net.co

0.srl

0.canva-apps.cn

0.githubusercontent.com

0.nz

0.education

0.cafe

0.dog

0.travel

0.feedback

0.wales

0.miami

0.nexus

0.fm

0.plus

0.vg

0.net.ph

0.com.ph

0.canva-apps.com

0.lol

0.computer

0.net.nz

0.ms

0.dev

0.ai

0.org.ph

0.my

0.mk

0.st

0.co.za

0.gp

0.mba

0.codes

0.rw

0.ln.cn

0.org.cn

0.co.nz

0.city

0.fyi

0.finance

0.yoga

Similar names

0.pizza

0.wedding

0.onl

0.af

0.bj.cn

0.website.yandexcloud.net

0.cn

0.care

0.(0x736578)y

0.gs

0.camp

0.sv

0.day

0.geek.nz

0.gz.cn

0.uk

0.hamburg

0.id.vn

0.et

0.company

0.technology

0.freemyip.com

0.engineering

0.pn

0.zone

0.fo

0.gl

0.kz

0.mypi.co

0.health

0.gd.cn

0.readthedocs.io

0.com.ly

0.zip

0.loans

0.tcp4.me

0.ke

0.photos

0.hn

0.ltd.ua

0.xmit.dev

0.biz.pl

0.page

0.honda

0.com.se

0.uy

0.cx

0.net.ar

0.jetzt

0.vip

0.fj.cn

0.sk

Previous names

Next names

DNS History

1 record (1 active, 0 former)

●A176.115.21.02017-02-17 → 2026-10-18 · 2 obs

● 2017-02-17 23:54:18
● 2026-10-18 13:36:46

🔍 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:176.115.0.18

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 365ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`176.115.21.0`

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

0.21.ftth.classcom.pl resolves to just one IP address, 176.115.21.0.

0.21.ftth.classcom.pl - robtex.com