`twitter.dev`

DNSSEC	⚠️ Not signed
A	104.244.42.3^{🇺🇸 TWITTER104.244.42.0/24 Twitter route}
A	104.244.42.67^{🇺🇸 TWITTER104.244.42.0/24 Twitter route}
A	104.244.42.131^{🇺🇸 TWITTER104.244.42.0/24 Twitter route}
A	104.244.42.195^{🇺🇸 TWITTER104.244.42.0/24 Twitter route}
NS	`a.u08.twtrdns.net` ⭐
		A	204.74.66.101^{🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar}
			PTR	`edns101.ultradns.com`
NS	`a.r08.twtrdns.net` ⚠️ Not in parent delegation
		A	205.251.196.52^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1076.awsdns-06.org`
NS	`b.r08.twtrdns.net` ⚠️ Not in parent delegation
		A	205.251.192.103^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-103.awsdns-12.com`
NS	`b.u08.twtrdns.net`
		A	204.74.67.101^{🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar}
			PTR	`edns101.ultradns.biz`
NS	`c.r08.twtrdns.net` ⚠️ Not in parent delegation
		A	205.251.195.152^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-920.awsdns-51.net`
NS	`c.u08.twtrdns.net`
		A	204.74.110.101^{🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar}
			PTR	`edns101.ultradns.net`
NS	`d.r08.twtrdns.net` ⚠️ Not in parent delegation
		A	205.251.199.230^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2022.awsdns-60.co.uk`
NS	`d.u08.twtrdns.net`
		A	204.74.111.101^{🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar}
			PTR	`edns101.ultradns.org`
TXT	`1168ywmhxq7k764gwtxpyjm7gy0yzmyj`
TXT	`7nc1syc8kctz0k0qzx2rkm21x6srv4gq`
SOA	`a.u08.twtrdns.net`noc@twitter.com serial=2023157737

`dev`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=1

🔒 HSTS Preload (+subdomains)

Subdomains

www.twitter.dev

Same first word

twitter.co.uk

twitter.pro

twitter.hk

twitter.be

twitter.dk

twitter.jp

twitter.cool

twitter.ph

twitter.co.id

twitter.ws

twitter.vg

twitter.sx

twitter.com.tr

twitter.com.br

twitter.eu

twitter.ma

twitter.kr

twitter.co

twitter.se

twitter.network

twitter.ch

twitter.com.ph

twitter.ae

twitter.is

twitter.krakow.pl

twitter.fr

twitter.vn

twitter.design

twitter.by

twitter.new

twitter.pt

twitter.it

twitter.ca

twitter.me

twitter.su

twitter.com.mx

twitter.es

twitter.com

twitter.eus

twitter.cm

twitter.lv

twitter.github.io

twitter.nl

twitter.no

twitter.biz

twitter.net.br

twitter.dev

twitter.uz

twitter.net

twitter.at

twitter.cz

twitter.de

twitter.my

twitter.im

twitter.in.ua

twitter.rs

twitter.in

twitter.co.il

twitter.ru

twitter.tk

twitter.ax

twitter.ie

twitter.sk

twitter.org

twitter.business

Similar names

twtiter.com

trewitt.com

tiwtter.com

rettiwt.com

wittert.com

twittre.com

retwitt.ru

tittwer.com

trewitt.org

twitetr.com

DNS History

12 records (12 active, 0 former)

●NSa.r08.twtrdns.net2026-03-11 → 2026-03-11 · 2 obs

● 2026-03-11 09:00:04
● 2026-03-11 22:14:04

●NSa.u08.twtrdns.net2026-03-11 → 2026-03-11 · 2 obs

● 2026-03-11 09:00:04
● 2026-03-11 22:14:04

●NSb.r08.twtrdns.net2026-03-11 → 2026-03-11 · 2 obs

● 2026-03-11 09:00:04
● 2026-03-11 22:14:04

●NSb.u08.twtrdns.net2026-03-11 → 2026-03-11 · 2 obs

● 2026-03-11 09:00:04
● 2026-03-11 22:14:04

●NSc.r08.twtrdns.net2026-03-11 → 2026-03-11 · 2 obs

● 2026-03-11 09:00:04
● 2026-03-11 22:14:04

●NSc.u08.twtrdns.net2026-03-11 → 2026-03-11 · 2 obs

● 2026-03-11 09:00:04
● 2026-03-11 22:14:04

●NSd.r08.twtrdns.net2026-03-11 → 2026-03-11 · 2 obs

● 2026-03-11 09:00:04
● 2026-03-11 22:14:04

●NSd.u08.twtrdns.net2026-03-11 → 2026-03-11 · 2 obs

● 2026-03-11 09:00:04
● 2026-03-11 22:14:04

●A104.244.42.1312026-03-11 → 2026-03-11 · 2 obs

● 2026-03-11 09:00:04
● 2026-03-11 22:14:04

●A104.244.42.1952026-03-11 → 2026-03-11 · 2 obs

● 2026-03-11 09:00:04
● 2026-03-11 22:14:04

●A104.244.42.32026-03-11 → 2026-03-11 · 2 obs

● 2026-03-11 09:00:04
● 2026-03-11 22:14:04

●A104.244.42.672026-03-11 → 2026-03-11 · 2 obs

● 2026-03-11 09:00:04
● 2026-03-11 22:14:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
twitter.dev	a.u08.twtrdns.net, b.u08.twtrdns.net, d.u08.twtrdns.net, c.u08.twtrdns.net	-

✅ Authoritative Response

Server: 204.74.110.101

NS records: a.u08.twtrdns.net, b.u08.twtrdns.net, d.u08.twtrdns.net, c.u08.twtrdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for twitter.dev (unsigned zone)

⏱️ Timing

Total: 805ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`104.244.42.3, 104.244.42.67...`
NS	8	`a.r08.twtrdns.net, a.u08.twtrdns.net...`
TXT	2	`1168ywmhxq7k764gwtxpyjm7gy0yzmyj, 7nc1syc8kctz0k0qzx2rkm21x6srv4gq`
SOA	1	`a.u08.twtrdns.net noc.twitter.com`

Analysis

Hierarchy

The parent of www.twitter.dev is twitter.dev.

IP Addresses

twitter.dev points to four IP numbers: 104.244.42.3, 104.244.42.67, 104.244.42.131 and 104.244.42.195.

Other host names, for instance upload-26-0-0.twitter.com, upload-33-0-0.twitter.com, deck.to, upload-1-0-0.twitter.com and deckly.com share IP numbers with twitter.dev.

Name Servers

twitter.dev delegates to eight name servers: a.r08.twtrdns.net, b.r08.twtrdns.net, c.r08.twtrdns.net, d.r08.twtrdns.net, a.u08.twtrdns.net, b.u08.twtrdns.net, c.u08.twtrdns.net and d.u08.twtrdns.net.

twitter.dev shares name servers with other domains at least partially, for instance chirpsec.com, twittercommunity.com, tweetdeck.com, twitter.com.tr and post.ly.