🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`197.21.ftth.classcom.pl`

DNSSEC	⚠️ Not signed
A	176.115.21.197^{🇵🇱 CLASSCOM-AS176.115.0.0/19 CLASSCOM}
		PTR	`197.21.ftth.classcom.pl`

`21.ftth.classcom.pl`

DNSSEC

⚠️ Not signed

PTR for

197.21.115.176.in-addr.arpa

Same first word

197.de

197.us

197.net.cn

197.in

197.be

197.biz

197.it

197.vg

197.ai

197.in-addr.arpa

197.ro

197.kim

197.pt

197.cz

197.mx

197.lv

197.ink

197.app

197.si

197.co.jp

197.lighting

197.army

197.top

197.gg

197.co.in

197.org.uk

197.bio

197.com

197.wine

197.com.ph

197.travel

197.info

197.me

197.es

197.by

197.bz

197.at

197.studio

197.nl

197.best

197.vc

197.s3.amazonaws.com

197.cc

197.lol

197.cn.com

197.online

197.ru

197.ag

197.eu

197.(0x787878)

197.ca

197.gd

197.monster

197.one

197.news

197.bet

197.tv

197.org

197.world

197.hu

197.fr

197.workers.dev

197.pages.dev

197.run

197.sx

197.io

197.ad

197.com.au

197.com.cn

197.freeboxos.fr

197.cam

197.ceo

197.cx

197.lc

197.hk

197.pl

197.am

197.so

Similar names

179.re

179.org

179.s3.amazonaws.com

179.us

791.cn

791.eu

917.co

791.nl

917.com.ph

179.ro

791.us

971.date

917.tools

179.autos

719.us

791.com.cn

791.bz

719.dev

719.tw

971.cm

179.pages.dev

179.cn

791.tel

971.net.cn

719.com.tw

917.biz

971.jp

719.co

719.pl

971.world

179.kr

179.tech

179.hk

179.org.uk

971.as

791.one

917.ee

971.io

791.bio

791.jp

917.com

917.ai

791.de

917.eu

179.studio

719.cl

971.cl

917.email

719.co.in

179.at

719.buzz

971.lol

179.life

179.co.in

791.tw

179.la

179.cam

917.vip

719.ir

179.in-addr.arpa

971.am.in

179.ca

791.pages.dev

719.company

179.tm

971.in

917.com.tw

719.com.ph

719.cam

971.me

179.media

179.onl

719.delivery

719.catering

791.com.tw

971.cn

Previous names

Next names

DNS History

1 record (1 active, 0 former)

●A176.115.21.1972017-05-26 → 2026-10-18 · 2 obs

● 2017-05-26 17:24:46
● 2026-10-18 03:58:32

🔍 DNS Trace

📋 Delegation Chain

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

✅ 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: 956ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`176.115.21.197`

📌 Glue Records Collected

Total: 4

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

Analysis

IP Addresses

197.21.ftth.classcom.pl has exactly one IP address — 176.115.21.197.

197.21.ftth.classcom.pl - robtex.com