`231.55.classcom.pl`

DNSSEC	⚠️ Not signed
A	195.150.55.231^{🇵🇱 CLASSCOM-AS195.150.48.0/20}
		PTR	`231.55.classcom.pl`

`55.classcom.pl`

DNSSEC

⚠️ Not signed

PTR for

231.55.150.195.in-addr.arpa

Same first word

231.me

231.ca

231.ph

231.net

231.de

231.in-addr.arpa

231.it

231.s3.amazonaws.com

231.tv

231.cz

231.ltd

231.eu

231.chat

231.run

231.mobi

231.ru

231.cn

231.io

231.nl

231.cc

231.us

231.com

231.com.cn

231.pl

231.la

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213.ca

123.github.io

321.to

132.fr

321.web.tr

123.fr

123.in-addr.arpa

213.hk

312.eu

123.im

123.school

321.id

321.do

123.com.ve

321.be

132.de

123.camera

213.co.uk

123.com.gt

123.golf

123.ru

123.se

123.la

123.financial

321.quebec

132.us

123.my

321.tm

123.we.bs

123.ro

123.edu.pl

123.pet

321.rs

123.vg

123.life

213.archi

321.es

123.com.mx

321.is

321.ie

312.pl

123.al

123.ir

213.tw

123.irish

321.tw

123.ee

123.lol

123.hk

321.ag

213.capital

123.ws

132.ch

123.eu

213.ch

321.today

312.co.uk

123.co.jp

321.net

321.com.hk

123.army

312.hu

123.coupons

321.azurewebsites.net

132.cl

123.st

213.net.cn

132.dk

213.ph

213.name

132.ws

213.cz

321.works

123.ne.jp

213.photos

321.it

123.co.zw

321.repair

123.net.nz

123.at

312.dk

123.bike

321.cool

123.co.il

123.top

123.ch

123.us

213.sk

123.ph

321.ge

321.one

123.gs

DNS History

1 record (1 active, 0 former)

●A195.150.55.2312017-06-11 → 2026-05-17 · 2 obs

● 2017-06-11 23:42:58
● 2026-05-17 10:30:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	h-dns.pl, b-dns.pl, a-dns.pl, d-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)

No DS record for classcom.pl (unsigned zone)

⏱️ Timing

Total: 582ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`195.150.55.231`

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

The A record for 231.55.classcom.pl is 195.150.55.231.

231.55.classcom.pl - robtex.com