b.dns4.ru - robtex.com

b.dns4.ru

DNSSEC⚠️ Not signed
A91.212.229.187🇭🇰 WORLDSTREAM-191.212.229.0/24
NSa.dns4.ru ⭐ ⚠️ Not in parent delegation
A91.212.229.187🇭🇰 WORLDSTREAM-191.212.229.0/24
NSb.dns4.ru ⚠️ Not in parent delegation
A91.212.229.187🇭🇰 WORLDSTREAM-191.212.229.0/24
SOAa.dns4.ruinfo@dns4.ru 2017-08-10 #21

dns4.ru

DNSSEC⚠️ Not signed
A91.212.229.187🇭🇰 WORLDSTREAM-191.212.229.0/24
NSa.dns4.ru ⭐
NSb.dns4.ru
SOAa.dns4.ruinfo@dns4.ru 2017-08-10 #21
📈 Tranco rank: #306,778

NS for

dns4.ru
kronosplus.ru
nevskyhotel.ru
b.dns4.ru
a.dns4.ru

Previously NS for

callcentrology.ru
ns2.standsystematic.ru
mail.kawkazrg.ru
baddriplabs.ru
www.kawkazrg.ru
mail.fsinzak.ru
kawkazrg.ru
lk.kawkazrg.ru
standsystematic.ru
www.callcentrology.ru
plsh.ru
mail2.kawkazrg.ru
armenianembassy.ru

Same first word

b.co
b.systems
b.s3.amazonaws.com
b.vn.ua
b.beer
b.sk
b.glass
b.cr
b.lol
b.akamai.net
b.cash
b.fi
b.net.nz
b.hr
b.fm
b.company
b.qh.cn
b.app
b.vodka
b.doctor
b.me
b.aivencloud.com
b.br
b.nx.cn
b.cx
b.dk
b.gl
b.et
b.hm
b.info.pl
b.nu
b.link
b.co.nl
b.mr
b.ht
b.cm
b.biz
b.asia
b.green
b.co.uk
b.ai
b.akamai-staging.net
b.gov.au
b.fit
b.tc
b.gg
b.com.br
b.tv
b.hu
b.ddns.net
b.bike
b.vu
b.game
b.to
b.ly
b.com.ua
b.eus
b.cl
b.fr
b.ath.cx
b.mw
b.co.za
b.io
b.ws
b.js.cn
b.je
b.country
b.ro
b.akamaiedge-staging.net
b.top
b.ms
b.ln.cn
b.ua
b.gov.lv
b.co.kr
b.media
b.ee
b.ie
b.com.mx
b.com.de
b.gt
b.gp
b.digital
b.org
b.box
b.new
b.st
b.cn
b.co.zw
b.watch
b.kz
b.cz
b.wtf
b.akamaiedge.net
b.my
b.gy
b.edu.vn
b.de
b.hn
b.center

Similar names

b.movie
b.pl
b.kg
b.capital
b.fashion
b.sg
b.af
b.cc
b.camp
b.org.nz
b.githubusercontent.com
b.fyi
b.bi
b.bw
b.sh
b.vg
b.at
b.is
b.care
b.site
b.ph
b.lu
b.gd
b.ink
b.cd
b.gold
b.art.pl
b.uy
b.sc

DNS History

3 records (3 active, 0 former)

NSa.dns4.rub.dns4.ruA91.212.229.187
●NSa.dns4.ru2026-02-22 → 2026-05-11 · 2 obs
● 2026-02-22 12:52:42
● 2026-05-11 15:22:44
●NSb.dns4.ru2026-02-22 → 2026-05-11 · 2 obs
● 2026-02-22 12:52:42
● 2026-05-11 15:22:44
●A91.212.229.1872026-02-22 → 2026-05-11 · 2 obs
● 2026-02-22 12:52:42
● 2026-05-11 15:22:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dns4.rua.dns4.ru, b.dns4.ru-

✅ Authoritative Response

Server:91.212.229.187

NS records: a.dns4.ru, b.dns4.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dns4.ru (unsigned zone)

⏱️ Timing

Total: 260ms | Queries: -

📄 Records

TypeCountSample Data
A191.212.229.187
NS2b.dns4.ru, a.dns4.ru
SOA1a.dns4.ru info.dns4.ru

Analysis

Name Server Role

b.dns4.ru serves as a name server for dns4.ru, kronosplus.ru, nevskyhotel.ru, b.dns4.ru and a.dns4.ru.

Together with b.dns4.ru, a.dns4.ru is commonly used as a name server.

IP Addresses

b.dns4.ru resolves to one IP number: 91.212.229.187.

Other host names, for instance dns4.ru, kronosplus.ru, nevskyhotel.ru and a.dns4.ru share IP numbers with b.dns4.ru.

Name Servers

b.dns4.ru is delegated to two name servers: a.dns4.ru and b.dns4.ru.

b.dns4.ru uses the same name server setup as other domains such as dns4.ru, kronosplus.ru, nevskyhotel.ru and a.dns4.ru.

Host names with a single IP:

a.dns4.ru points to 91.212.229.187.

b.dns4.ru points to 91.212.229.187.

Host names pointing to 91.212.229.187: a.dns4.ru and b.dns4.ru.