🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`76.51.classcom.pl`

DNSSEC	⚠️ Not signed
A	195.150.51.76^{🇵🇱 CLASSCOM-AS195.150.48.0/20}
		PTR	`76.51.classcom.pl`

`51.classcom.pl`

DNSSEC

⚠️ Not signed

PTR for

76.51.150.195.in-addr.arpa

Same first word

76.ms

76.co.za

76.org

76.network

76.fr

76.my

76.net

76.pages.dev

76.wf

76.com.es

76.biz

76.net.ph

76.in-addr.arpa

76.ph

76.workers.dev

76.immo

76.ie

76.ai

76.pt

76.id.vn

76.la

76.be

76.plus

76.is

76.com.pl

76.to

76.world

76.lv

76.io

76.by

76.ventures

76.pl

76.rs

76.edu.vn

76.chat

76.holdings

76.law

76.vc

76.cl

76.cx

76.com.hk

76.media

76.vg

76.ro

76.uk

76.ae

76.digital

76.life

76.com

76.synology.me

76.com.au

76.legal

76.ee

76.wtf

76.de

76.md

76.cn

76.sb

76.social

76.io.vn

76.group

76.cc

76.com.tw

76.co.kr

76.dk

76.hu

76.pm

76.club

76.ru

76.nu

76.win

76.amsterdam

76.au

76.com.ph

76.org.ph

76.se

76.nz

76.lt

76.nl

76.eu

76.tm

76.ag

76.mk

76.co.uk

76.net.cn

76.sk

76.com.vn

76.si

76.gold

76.org.uk

76.cm

76.ws

76.co

76.no

76.vip

76.hk

76.qa

76.cz

76.ink

76.gs

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67.at

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Previous names

Next names

DNS History

1 record (1 active, 0 former)

●A195.150.51.762017-06-11 → 2026-10-17 · 2 obs

● 2017-06-11 17:31:42
● 2026-10-17 11:50:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	f-dns.pl, b-dns.pl, j-dns.pl, a-dns.pl...	12 records
classcom.pl	dns.classcom.pl, dns2.classcom.pl	4 records

✅ 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: 646ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`195.150.51.76`

📌 Glue Records Collected

Total: 16

In-bailiwick: 16 (j-dns.pl, h-dns.pl, f-dns.pl...)

Analysis

IP Addresses

76.51.classcom.pl points to a single IP number: 195.150.51.76.

76.51.classcom.pl - robtex.com

76.51.classcom.pl

51.classcom.pl