🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`146.21.ftth.classcom.pl`

	DNSSEC	⚠️ Not signed
	A	176.115.21.146^{🇵🇱 AS58350176.115.0.0/19}

`21.ftth.classcom.pl`

DNSSEC

⚠️ Not signed

Same first word

146.de

146.lol

146.ru

146.pages.dev

146.tv

146.ad

146.org.ph

146.ngrok.app

146.cz

146.ca

146.nl

146.industries

146.ws

146.lv

146.st

146.io

146.vg

146.ro

146.school

146.it

146.quest

146.mom

146.fyi

146.mx

146.dk

146.cc

146.in

146.works

146.ph

146.tel

146.biz

146.lt

146.org

146.info

146.net

146.com.ph

146.com

146.net.ph

146.cn

146.fr

146.ru.com

146.uk

146.xyz

146.one

146.bet

146.at

146.bio

146.ch

146.cam

146.pl

146.myds.me

146.co.uk

146.wine

146.ir

146.in-addr.arpa

146.la

146.bz

146.ai

146.hu

146.workers.dev

146.by

146.pw

146.hk

146.vip

146.eu

146.us

146.su

146.se

146.me

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164.su

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Previous names

Next names

DNS History

1 record (1 active, 0 former)

●A176.115.21.1462017-07-21 → 2026-10-17 · 2 obs

● 2017-07-21 03:20:52
● 2026-10-17 15:17:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	f-dns.pl, a-dns.pl, j-dns.pl, b-dns.pl...	12 records
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: 1762ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`176.115.21.146`

📌 Glue Records Collected

Total: 16

In-bailiwick: 16 (a-dns.pl, b-dns.pl, d-dns.pl...)

Analysis

IP Addresses

146.21.ftth.classcom.pl resolves to one IP address: 176.115.21.146.

146.21.ftth.classcom.pl - robtex.com