classmaster.ru - dns.ninja

classmaster.ru

DNSSEC⚠️ Not signed
NSns1.snparking.ru ⭐
A37.221.193.103🇩🇪 netcup-AS37.221.192.0/22
PTRv22016063652435391.goodsrv.de
A194.63.142.195🇷🇺 I-SERVERS-NORTH-EU194.63.142.0/24
PTRns1.snparking.ru
NSns3.domains.ru ⚠️ Not in zone NS records
A37.221.193.103🇩🇪 netcup-AS37.221.192.0/22
PTRv22016063652435391.goodsrv.de
A194.63.142.195🇷🇺 I-SERVERS-NORTH-EU194.63.142.0/24
PTRns1.snparking.ru
NSns4.domains.ru ⚠️ Not in zone NS records
A5.45.106.252🇩🇪 netcup-AS5.45.104.0/22
PTRv22016113652440052.goodsrv.de
A62.122.170.168🇺🇸 SERVEREL-AS62.122.168.0/21
PTR62.122.170.168.serverel.net
SOAns1.snparking.ruhostmaster@classmaster.ru 2022-03-28 #95

ru

DNSSEC🔒 Signed (DS record present)
NSa.dns.ripn.net ⭐
NSb.dns.ripn.net
NSc.tld-servers.ru
NSd.dns.ripn.net
NSe.dns.ripn.net
NSf.dns.ripn.net
SOAa.dns.ripn.nethostmaster@ripn.net serial=4069730

Same first word

classmaster.eu
classmaster.com
classmaster.cz
classmaster.ru
classmaster.co.uk
classmaster.ca

Similar names

masterclass.jp
masterclass.co.id
masterclass.dev
masterclass.world
masterclass.cc
masterclass.com
masterclass.net
masterclass.bg
masterclass.media
masterclass.today
slamactress.com
masterclass.fr
masterclass.uz
masterclass.je
masterclass.pt
esmartclass.net
masterclass.pk
masterclass.com.ua
masterclass.sydney
masterclass.ch
masterclass.cl
masterclass.am
smartscales.ru
masterclass.info
masterclass.it
masterclass.site
masterclass.se
classstream.online
masterclass.be
masterclass.co.uk
masterclass.dk
esmartclass.com
scarletmass.com
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
classstream.com
masterclass.no
masterclass.team
masterclass.digital
masterclass.io
masterclass.al
masterclass.co.ke
masterclass.com.tr
smtcarsales.com
masterclass.gr
masterclass.ca
masterclass.lv
masterclass.care
masterclass.kg

DNS History

14 records (3 active, 11 former)

20162017201820192020202120222023202420252026NSns1.snparking.runs3.domains.runs4.domains.runs2.snparking.runs3.salenames.runs4.salenames.ruMX148.240.4.32dial-148-240-4-32.zone-1.ip.static-ftth.axtel.net.mxvoid.blackhole.mxA109.206.190.54192.237.187.20862.122.170.17191.195.240.13591.195.241.86
●NSns1.snparking.ru2017-06-24 → 2026-07-24 · 3 obs
○ 2015-07-05 22:10:46
● 2017-06-24 15:47:34
● 2026-07-24 11:13:46
○NSns2.snparking.ru2026-03-26 → 2026-07-09 · 9 obs
○ 2017-06-24 15:47:34
● 2026-03-26 17:37:44
● 2026-04-07 11:36:12
○ 2026-05-10 10:21:34
● 2026-05-12 10:03:32
● 2026-06-09 15:50:20
○ 2026-06-17 08:04:26
● 2026-07-09 04:53:16
○ 2026-07-24 11:13:46
●NSns3.domains.ru2026-05-10 → 2026-07-24 · 3 obs
○ 2026-04-07 11:36:12
● 2026-05-10 10:21:34
● 2026-07-24 11:13:46
○NSns3.salenames.ru2015-07-05 → 2026-04-07 · 4 obs
● 2015-07-05 22:10:46
● 2026-04-07 11:36:12
○ 2026-05-10 10:21:34
○ 2026-07-24 11:13:46
●NSns4.domains.ru2026-05-10 → 2026-07-24 · 3 obs
○ 2026-04-07 11:36:12
● 2026-05-10 10:21:34
● 2026-07-24 11:13:46
○NSns4.salenames.ru2015-07-05 → 2026-04-07 · 4 obs
● 2015-07-05 22:10:46
● 2026-04-07 11:36:12
○ 2026-05-10 10:21:34
○ 2026-07-24 11:13:46
○MX148.240.4.322015-07-05 → 2015-07-05 · 3 obs
● 2015-07-05 22:10:46
○ 2015-11-10 13:05:00
○ 2026-07-24 11:13:46
○MXdial-148-240-4-32.zone-1.ip.static-ftth.axtel.net.mx2015-11-10 → 2015-11-10 · 4 obs
○ 2015-07-05 22:10:46
● 2015-11-10 13:05:00
○ 2016-02-11 01:35:46
○ 2026-07-24 11:13:46
○MXvoid.blackhole.mx2016-02-11 → 2026-05-12 · 9 obs
○ 2015-11-10 13:05:00
● 2016-02-11 01:35:46
● 2016-11-05 06:36:40
○ 2017-06-24 15:47:34
● 2026-03-26 17:37:44
● 2026-04-07 11:36:12
○ 2026-05-10 10:21:34
● 2026-05-12 10:03:32
○ 2026-07-24 11:13:46
○A109.206.190.542015-11-10 → 2016-11-05 · 6 obs
○ 2015-07-05 22:10:46
● 2015-11-10 13:05:00
○ 2016-02-11 01:35:46
● 2016-11-05 06:36:40
○ 2017-06-24 15:47:34
○ 2026-07-24 11:13:46
○A192.237.187.2082016-02-11 → 2016-02-11 · 4 obs
○ 2015-11-10 13:05:00
● 2016-02-11 01:35:46
○ 2016-11-05 06:36:40
○ 2026-07-24 11:13:46
○A62.122.170.1712026-03-26 → 2026-07-09 · 9 obs
○ 2017-06-24 15:47:34
● 2026-03-26 17:37:44
● 2026-04-07 11:36:12
○ 2026-05-10 10:21:34
● 2026-05-12 10:03:32
● 2026-06-09 15:50:20
○ 2026-06-17 08:04:26
● 2026-07-09 04:53:16
○ 2026-07-24 11:13:46
○A91.195.240.1352017-06-24 → 2017-06-24 · 4 obs
○ 2016-11-05 06:36:40
● 2017-06-24 15:47:34
○ 2026-03-26 17:37:44
○ 2026-07-24 11:13:46
○A91.195.241.862015-07-05 → 2015-07-05 · 3 obs
● 2015-07-05 22:10:46
○ 2015-11-10 13:05:00
○ 2026-07-24 11:13:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
rua.dns.ripn.net, b.dns.ripn.net, d.dns.ripn.net, e.dns.ripn.net...-
classmaster.runs4.domains.ru, ns3.domains.ru-

✅ Authoritative Response

Server:194.63.142.195

NS records: ns4.domains.ru, ns3.domains.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classmaster.ru (unsigned zone)

⏱️ Timing

Total: 2493ms | Queries: -

📄 Records

TypeCountSample Data
MX1void.blackhole.mx (pri: 0)
SOA1ns1.snparking.ru hostmaster.classmaster.

Analysis

Name Servers

classmaster.ru is served by three name servers: ns3.domains.ru, ns4.domains.ru and ns1.snparking.ru.

classmaster.ru has at least partial name server overlap with other domains, such as extro.ru, danh.ru, nanozone.ru and two others.

ns2.snparking.ru, ns1.privateperson.ru and ns2.privateperson.ru — plus 6 other name servers — are commonly paired with these name servers.

ns3.domains.ru, ns4.domains.ru and ns1.snparking.ru are hostnames that each have two IP addresses. ns3.domains.ru resolves to 37.221.193.103 and 194.63.142.195; ns4.domains.ru resolves to 5.45.106.252 and 62.122.170.168; ns1.snparking.ru also resolves to 37.221.193.103 and 194.63.142.195 — identical to ns3.domains.ru.

ns3.domains.ru and ns1.snparking.ru each have 37.221.193.103 IP addresses.

ns3.domains.ru and ns1.snparking.ru each have 194.63.142.195 IP addresses.