🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`187.21.ftth.classcom.pl`

DNSSEC	⚠️ Not signed
A	176.115.21.187^{🇵🇱 CLASSCOM-AS176.115.0.0/19 CLASSCOM}
		PTR	`187.21.ftth.classcom.pl`

`21.ftth.classcom.pl`

DNSSEC

⚠️ Not signed

Same first word

187.ad

187.tw

187.pages.dev

187.org.uk

187.de.cool

187.ch

187.vc

187.it

187.casino

187.ai

187.run

187.dk

187.com

187.co.uk

187.co.nz

187.se

187.vip

187.tm

187.cz

187.de

187.st

187.id

187.su

187.mx

187.org

187.mobi

187.na4u.ru

187.tv

187.ag

187.us

187.lol

187.com.ph

187.wtf

187.ae

187.jetzt

187.bet

187.be

187.workers.dev

187.s3-1.amazonaws.com

187.s3.amazonaws.com

187.ph

187.im

187.ro

187.buzz

187.nl

187.ca

187.la

187.fr

187.net

187.bz

187.io

187.tech

187.co.in

187.news

187.accountants

187.wine

187.at

187.hu

187.by

187.ovh

187.co

187.bio

187.ink

187.rip

187.cam

187.one

187.4lima.de

187.email

187.pl

187.es

187.in

187.team

187.fyi

187.cc

187.ir

187.hatenablog.com

187.bplaced.net

187.ru

187.studio

187.ee

187.fish

187.my.id

187.net.ph

187.co.il

187.in-addr.arpa

187.org.cn

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718.domains

178.net

178.it.com

781.bet

178.fr

718.lat

178.cl

871.com

178.email

817.biz

718.academy

718.space

178.world

781.news

178.digital

178.cam

718.host

718.my

781.biz

781.it

817.eu

781.in

718.bi

781.pl

178.lv

871.cloud

178.cm

871.ph

817.si

178.buzz

178.taxi

781.st

718.info

718.condos

817.com.au

817.ir

817.cn.com

871.baby

817.es

178.com

718.buzz

871.kim

781.cam

817.io

817.in

178.ca

178.com.tw

718.de

178.hk

718.lease

817.best

178.tv

718.photography

718.gr

871.lol

817.co

871.org.ph

781.lol

178.cc

817.one

178.run

871.mx

871.com.mx

178.tel

817.ph

781.uk

817.fr

817.me

718.pages.dev

871.ru

178.news

178.be

718.ph

178.is

871.tw

817.de

781.co.uk

718.si

718.com

718.url.tw

718.hk

871.ca

Previous names

Next names

DNS History

1 record (1 active, 0 former)

●A176.115.21.1872017-05-26 → 2026-10-18 · 2 obs

● 2017-05-26 17:24:26
● 2026-10-18 04:36:32

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:176.115.0.18

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classcom.pl (unsigned zone)

⏱️ Timing

Total: 264ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`176.115.21.187`

Analysis

IP Addresses

187.21.ftth.classcom.pl has exactly one IP address — 176.115.21.187.

187.21.ftth.classcom.pl - robtex.com