b.4e21.net - dns.ninja

`b.4e21.net`

DNSSEC	⚠️ Not signed
A	188.244.98.135^{🇺🇸 MISAKA-ANYCAST188.244.98.0/24 Misaka.io Customer Infrastructure in Hong Kong}
		PTR	`b.4e21.net`

`4e21.net`

	DNSSEC	⚠️ Not signed
	NS	`a.4e21.net` ⭐
	NS	`b.4e21.net`
	NS	`c.4e21.org` ⚠️ Not in parent delegation
	NS	`d.4e21.org` ⚠️ Not in parent delegation
	SOA	`a.4e21.net`nya@railgun.im 2026-06-17 #20

PTR for

135.98.244.188.in-addr.arpa

NS for

railgun.co

4e21.net

Same first word

b.systems

b.s3.amazonaws.com

b.vn.ua

b.com.cn

b.beer

b.sk

b.glass

b.vip

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.ke

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.org.ai

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.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.ls

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

Similar names

b.de

b.hn

b.center

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.com.ai

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

b.co

DNS History

1 record (1 active, 0 former)

●A188.244.98.1352026-02-15 → 2026-07-15 · 2 obs

● 2026-02-15 15:13:18
● 2026-07-15 19:04:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
4e21.net	a.4e21.net, b.4e21.net	2 records

✅ Authoritative Response

Server:188.244.98.135

NS records: a.4e21.net, b.4e21.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4e21.net (unsigned zone)

⏱️ Timing

Total: 352ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`188.244.98.135`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (a.4e21.net, b.4e21.net)

Analysis

Name Server Role

railgun.co and 4e21.net are both delegated to b.4e21.net as a name server.

a.4e21.net, c.4e21.org and d.4e21.org are often grouped with b.4e21.net to function as name servers.

IP Addresses

b.4e21.net resolves to just one IP address, 188.244.98.135.