masterclass.pl - robtex.com

masterclass.pl

DNSSEC⚠️ Not signed
A195.78.67.57🇵🇱 CF-GDA195.78.66.0/23
PTRs179.cyber-folks.pl
NSns1.cyberfolks.pl ⭐
A94.152.254.111🇵🇱 OXYLION-AS94.152.254.0/24
PTRns1.cyberfolks.pl
NSns2.cyberfolks.pl
A94.152.255.111🇵🇱 OXYLION-AS94.152.255.0/24
PTRns2.cyberfolks.pl
NSns3.cyberfolks.pl
A94.152.254.161🇵🇱 OXYLION-AS94.152.254.0/24
PTRns3.cyberfolks.pl
MXmail.masterclass.pl ⭐
A195.78.67.57🇵🇱 CF-GDA195.78.66.0/23
PTRs179.cyber-folks.pl
TXTv=spf1 a mx include:_spf.cyberfolks.pl -all
TXTbaaa7047209fab648e6e98381dddf245165358a273f23e2917e14425d6c73a8
SOAns1.cyberfolks.plhostmaster@masterclass.pl 2026-06-24 #3

pl

DNSSEC🔒 Signed (DS record present)
NSa-dns.pl ⭐
NSb-dns.pl
NSd-dns.pl
NSf-dns.pl
NSh-dns.pl
NSj-dns.pl
TXTccTLD of Poland
SOAa-dns.pldnsmaster@nask.pl serial=1783924455

Previously MX for

masterclass.pl

Same first word

masterclass.bg
masterclass.media
masterclass.today
masterclass.fr
masterclass.uz
masterclass.je
masterclass.pt
masterclass.pk
masterclass.com.ua
masterclass.sydney
masterclass.ch
masterclass.cl
masterclass.am
masterclass.info
masterclass.it
masterclass.site
masterclass.se
masterclass.be
masterclass.co.uk
masterclass.dk
masterclass.courses
masterclass.co
masterclass.my
masterclass.ie
masterclass.ninja
masterclass.at
masterclass.com.hk
masterclass.de
masterclass.com.es
masterclass.com.mx
masterclass.az
masterclass.ng
masterclass.co.za
masterclass.lt
masterclass.us
masterclass.pl
masterclass.biz
masterclass.com.br
masterclass.hu
masterclass.eu
masterclass.edu.ge
masterclass.no
masterclass.team
masterclass.digital
masterclass.io
masterclass.al
masterclass.co.ke
masterclass.com.tr
masterclass.gr
masterclass.ca
masterclass.lv
masterclass.care
masterclass.kg
masterclass.jp
masterclass.co.id
masterclass.dev
masterclass.world
masterclass.cc
masterclass.com
masterclass.net

Similar names

scarletmass.com
classmaster.eu
classmaster.com
classstream.com
classmaster.cz
smtcarsales.com
classmaster.ru
slamactress.com
classmaster.co.uk
esmartclass.net
smartscales.ru
classstream.online
classmaster.ca
esmartclass.com

DNS History

20 records (5 active, 15 former)

20162017201820192020202120222023202420252026NSns1.cyberfolks.plns2.cyberfolks.plns3.cyberfolks.pldns.home.pldns2.home.pldns3.home.plns1.aftermarket.plns1.domenos.plns1.premium.plns2.aftermarket.plns2.domenos.plns2.premium.plMXmail.masterclass.plblackhole.aftermarket.plmasterclass.plA195.78.67.57185.253.212.22188.128.255.25131.186.84.15879.96.2.231
○NSdns.home.pl2016-11-01 → 2017-11-25 · 5 obs
○ 2016-04-08 02:52:34
● 2016-11-01 04:00:48
● 2017-11-25 00:30:38
○ 2026-02-15 14:11:36
○ 2026-07-14 00:48:04
○NSdns2.home.pl2016-11-01 → 2017-11-25 · 5 obs
○ 2016-04-08 02:52:34
● 2016-11-01 04:00:48
● 2017-11-25 00:30:38
○ 2026-02-15 14:11:36
○ 2026-07-14 00:48:04
○NSdns3.home.pl2016-11-01 → 2017-11-25 · 5 obs
○ 2016-04-08 02:52:34
● 2016-11-01 04:00:48
● 2017-11-25 00:30:38
○ 2026-02-15 14:11:36
○ 2026-07-14 00:48:04
○NSns1.aftermarket.pl2026-02-15 → 2026-06-12 · 7 obs
○ 2017-11-25 00:30:38
● 2026-02-15 14:11:36
● 2026-03-08 14:54:02
○ 2026-03-09 02:05:58
● 2026-04-06 05:14:16
● 2026-06-12 13:34:54
○ 2026-07-14 00:48:04
●NSns1.cyberfolks.pl2026-07-14 → 2026-07-14 · 2 obs
○ 2026-06-12 13:34:54
● 2026-07-14 00:48:04
○NSns1.domenos.pl2015-08-16 → 2015-08-16 · 3 obs
● 2015-08-16 05:54:04
○ 2015-12-29 20:41:28
○ 2026-07-14 00:48:04
○NSns1.premium.pl2015-12-29 → 2016-04-08 · 5 obs
○ 2015-08-16 05:54:04
● 2015-12-29 20:41:28
● 2016-04-08 02:52:34
○ 2016-11-01 04:00:48
○ 2026-07-14 00:48:04
○NSns2.aftermarket.pl2026-02-15 → 2026-06-12 · 7 obs
○ 2017-11-25 00:30:38
● 2026-02-15 14:11:36
● 2026-03-08 14:54:02
○ 2026-03-09 02:05:58
● 2026-04-06 05:14:16
● 2026-06-12 13:34:54
○ 2026-07-14 00:48:04
●NSns2.cyberfolks.pl2026-07-14 → 2026-07-14 · 2 obs
○ 2026-06-12 13:34:54
● 2026-07-14 00:48:04
○NSns2.domenos.pl2015-08-16 → 2015-08-16 · 3 obs
● 2015-08-16 05:54:04
○ 2015-12-29 20:41:28
○ 2026-07-14 00:48:04
○NSns2.premium.pl2015-12-29 → 2016-04-08 · 5 obs
○ 2015-08-16 05:54:04
● 2015-12-29 20:41:28
● 2016-04-08 02:52:34
○ 2016-11-01 04:00:48
○ 2026-07-14 00:48:04
●NSns3.cyberfolks.pl2026-07-14 → 2026-07-14 · 2 obs
○ 2026-06-12 13:34:54
● 2026-07-14 00:48:04
○MXblackhole.aftermarket.pl2026-02-15 → 2026-06-04 · 14 obs
○ 2017-11-25 00:30:38
● 2026-02-15 14:11:36
● 2026-03-08 14:54:02
○ 2026-03-09 02:05:58
● 2026-04-06 05:14:16
● 2026-04-15 10:16:04
○ 2026-04-15 16:36:58
● 2026-04-26 15:49:48
● 2026-04-30 17:47:14
○ 2026-05-01 08:35:00
● 2026-06-04 03:07:40
● 2026-06-04 09:44:54
○ 2026-06-12 13:34:54
○ 2026-07-14 00:48:04
●MXmail.masterclass.pl2026-07-14 → 2026-07-14 · 2 obs
○ 2026-06-12 13:34:54
● 2026-07-14 00:48:04
○MXmasterclass.pl2016-11-01 → 2017-11-25 · 4 obs
● 2016-11-01 04:00:48
● 2017-11-25 00:30:38
○ 2026-02-15 14:11:36
○ 2026-07-14 00:48:04
○A185.253.212.222026-02-15 → 2026-06-04 · 14 obs
○ 2017-11-25 00:30:38
● 2026-02-15 14:11:36
● 2026-03-08 14:54:02
○ 2026-03-09 02:05:58
● 2026-04-06 05:14:16
● 2026-04-15 10:16:04
○ 2026-04-15 16:36:58
● 2026-04-26 15:49:48
● 2026-04-30 17:47:14
○ 2026-05-01 08:35:00
● 2026-06-04 03:07:40
● 2026-06-04 09:44:54
○ 2026-06-12 13:34:54
○ 2026-07-14 00:48:04
○A188.128.255.2512015-12-29 → 2016-04-08 · 5 obs
○ 2015-08-16 05:54:04
● 2015-12-29 20:41:28
● 2016-04-08 02:52:34
○ 2016-11-01 04:00:48
○ 2026-07-14 00:48:04
●A195.78.67.572026-07-14 → 2026-07-14 · 2 obs
○ 2026-06-12 13:34:54
● 2026-07-14 00:48:04
○A31.186.84.1582015-08-16 → 2015-08-16 · 3 obs
● 2015-08-16 05:54:04
○ 2015-12-29 20:41:28
○ 2026-07-14 00:48:04
○A79.96.2.2312016-11-01 → 2017-11-25 · 5 obs
○ 2016-04-08 02:52:34
● 2016-11-01 04:00:48
● 2017-11-25 00:30:38
○ 2026-02-15 14:11:36
○ 2026-07-14 00:48:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
pla-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...-
masterclass.plns3.cyberfolks.pl, ns2.cyberfolks.pl, ns1.cyberfolks.pl3 records

✅ Authoritative Response

Server:94.152.254.161

NS records: ns3.cyberfolks.pl, ns2.cyberfolks.pl, ns1.cyberfolks.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for masterclass.pl (unsigned zone)

⏱️ Timing

Total: 439ms | Queries: -

📄 Records

TypeCountSample Data
A1195.78.67.57
NS3ns1.cyberfolks.pl, ns3.cyberfolks.pl...
MX1mail.masterclass.pl (pri: 10)
TXT2v=spf1 a mx include:_spf.cyberfolks.pl -, baaa7047209fab648e6e98381dddf245165358a2
SOA1ns1.cyberfolks.pl hostmaster.masterclass

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns3.cyberfolks.pl, ns2.cyberfolks.pl, ns1.cyberfolks.pl)

Analysis

IP Addresses

masterclass.pl has exactly one IP address — 195.78.67.57.

greendom.pl, hotailor.com, muzycznakurtyna.pl plus two other host names have IP numbers in common with masterclass.pl.

Name Servers

Three name servers are authoritative for masterclass.pl: ns1.cyberfolks.pl, ns2.cyberfolks.pl and ns3.cyberfolks.pl.

The name servers of masterclass.pl overlap at least partially with those of other domains — among them ecolabad.pl, businesscare.pl, wina.pl and two more.

These name servers commonly appear in delegations together with ns2.hekko.net.pl, ns1.hekko.net.pl, dns1.linuxpl.com and 4 other.

Three hostnames, one IP address apiece: ns1.cyberfolks.pl resolves to 94.152.254.111, ns2.cyberfolks.pl resolves to 94.152.255.111 and ns3.cyberfolks.pl resolves to 94.152.254.161.

Mail Servers

masterclass.pl uses one mail server — mail.masterclass.pl.

There is one IP number for mail.masterclass.pl: 195.78.67.57.