ust.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`ust.dev`

DNSSEC	⚠️ Not signed
NS	`keenan.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c0b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keenan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c30b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`keenan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:230b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`keenan.ns.cloudflare.com`
		A	108.162.195.11^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keenan.ns.cloudflare.com`
		A	162.159.44.11^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keenan.ns.cloudflare.com`
		A	172.64.35.11^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`keenan.ns.cloudflare.com`
NS	`sky.ns.cloudflare.com`
		A	2606:4700:50::a29f:2602^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sky.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c202^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sky.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2202^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sky.ns.cloudflare.com`
		A	108.162.194.2^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sky.ns.cloudflare.com`
		A	162.159.38.2^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sky.ns.cloudflare.com`
		A	172.64.34.2^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sky.ns.cloudflare.com`
MX	`route3.mx.cloudflare.net` ⭐
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route2.mx.cloudflare.net`⁽⁵⁷⁾
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁷⁷⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`google-site-verification=DLT-pE0L8fmXdEGRkePzGpBIDwtNXSaIfe9RV081A-M`
TXT	`google-site-verification=RhNiafL15Uls_asiYqNpZjyDq5QHdogrxKX2rsTSTcM`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
SOA	`keenan.ns.cloudflare.com`dns@cloudflare.com serial=2419940029

`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)

Same first word

ust.ac.kr

ust.is

ust.in.ua

ust.workers.dev

ust.company

ust.pages.dev

ust.fi.it

ust.co.za

ust.edu.kg

ust.kr

ust.i234.me

ust.ac

ust.nz

ust.azurewebsites.net

ust.lgbt

ust.health

ust.net

ust.net.ph

ust.kg

ust.net.cn

ust.spb.ru

ust.edu.hk

ust.care

ust.ac.cn

ust.abudhabi

ust.london

ust.md

ust.edu.sd

ust.la

ust.ai

ust.jp

ust.services

ust.miami

ust.jobs

ust.edu.tw

ust.bio

ust.works

ust.capital

ust.hk

ust.ca

ust.li

ust.healthcare

ust.repair

ust.sg

ust.com.ua

ust.boston

ust.soccer

ust.com.my

ust.wtf

ust.com.ph

ust.com.tr

ust.solutions

ust.com.do

ust.ru

ust.global

ust.ch

ust.com.py

ust.fr

ust.support

ust.cz

ust.(0x736578)y

ust.social

ust.io

ust.marketing

ust.ac.id

ust.edu.al

ust.bg

ust.biz.ua

ust.xyz

ust.co.ke

ust.tel

ust.pl

ust.org.uk

ust.by

ust.money

ust.cl

ust.com.tw

ust.one

ust.asia

ust.cn

ust.kiev.ua

ust.us

ust.org.br

ust.edu.ua

ust.rs

ust.energy

ust.com.cy

ust.am

ust.education

ust.myds.me

ust.gr

ust.international

ust.dp.ua

ust.now.sh

ust.org

ust.okinawa

ust.icu

ust.lv

ust.ac.uk

ust.ro

ust.ec

ust.tax

ust.edu.pl

ust.edu.pk

ust.info

ust.it

ust.edu.ye

ust.ph

ust.es

ust.hk.com

ust.co.th

ust.live

ust.su

ust.edu.in

ust.ae

ust.vercel.app

ust.vn

ust.news

ust.qualifioapp.com

ust.lt

ust.career

ust.(0x736578)

ust.fyi

ust.edu.ph

ust.com

ust.lat

ust.me

ust.art

Similar names

stu.nl

tsu.org

uts.com.tr

stu.scot

stu.com.ph

uts.com.lb

stu.kitchen

tus.my.id

tsu.be

tsu.com.pk

uts.github.io

sut.la

tsu.com.tw

uts.sa

uts.nl

stu.pp.ua

tsu.us

tus.com.es

uts.edu.pl

stu.kr

sut.tm

stu.pet

tus.ruhr

uts.ma

tsu.tv

stu.altervista.org

stu.ht

tsu.biz.ua

tus.today

sut.as

sut.net.au

stu.geek.nz

uts.ltd

stu.edu

tsu.su

tus.pl

tsu.my.id

stu.org.my

stu.company

uts.social

stu.systems

tsu.si

tsu.email

stu.ec

tsu.ac

tus.github.io

tus.ltd

stu.pub

stu.now

tsu.ru

sut.cat

tus.voyage

uts.ee

sut.co.tz

uts.edu.rs

tsu.com.ph

uts.org.uk

tus.autos

stu.day

uts.com.vn

stu.cv

stu.co.id

tus.net.pl

tus.web.id

stu.net.cn

sut.to

stu.quest

uts.dn.ua

uts.com.ua

uts.co.tz

tus.li

tsu.md

stu.cz

tsu.jp.net

uts.ac

tus.com.pl

Previous names

usrobots.dev

usruralmarket.dev

uss.dev

ussama.dev

ussd.dev

ussdc.dev

ussdify.dev

ussearch.dev

ussee.dev

ussi.dev

ussignal.dev

ussoax.dev

ussolar.dev

usson.dev

ussquash.dev

ussr.dev

usss.dev

usstandard.dev

ussvgr.dev

ussy.dev

Next names

usta.dev

ustack.dev

ustad.dev

ustal.dev

ustart.dev

ustarun.dev

ustaz-plus.dev

ustc-yca.dev

ustc.dev

ustdid-nr.dev

ustermer.dev

ustetu.dev

ustin.dev

ustinoff.dev

ustinov.dev

ustka.dev

ustra.dev

ustranscom.dev

ustreem.dev

ustudy.dev

DNS History

5 records (5 active, 0 former)

●NSkeenan.ns.cloudflare.com2026-08-28 → 2026-11-15 · 2 obs

● 2026-08-28 10:57:38
● 2026-11-15 20:22:22

●NSsky.ns.cloudflare.com2026-08-28 → 2026-11-15 · 2 obs

● 2026-08-28 10:57:38
● 2026-11-15 20:22:22

●MXroute1.mx.cloudflare.net2026-08-28 → 2026-11-15 · 2 obs

● 2026-08-28 10:57:38
● 2026-11-15 20:22:22

●MXroute2.mx.cloudflare.net2026-08-28 → 2026-11-15 · 2 obs

● 2026-08-28 10:57:38
● 2026-11-15 20:22:22

●MXroute3.mx.cloudflare.net2026-08-28 → 2026-11-15 · 2 obs

● 2026-08-28 10:57:38
● 2026-11-15 20:22:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
ust.dev	sky.ns.cloudflare.com, keenan.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.11

NS records: sky.ns.cloudflare.com, keenan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 890ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`keenan.ns.cloudflare.com, sky.ns.cloudflare.com`
MX	3	`route3.mx.cloudflare.net (pri: 17), route2.mx.cloudflare.net (pri: 57)...`
TXT	3	`google-site-verification=DLT-pE0L8fmXdEG, google-site-verification=RhNiafL15Uls_as...`
SOA	1	`keenan.ns.cloudflare.com dns.cloudflare.`

Analysis

Name Servers

ust.dev is delegated to two name servers: keenan.ns.cloudflare.com and sky.ns.cloudflare.com.

ust.dev shares its name server setup with other domains, including woo2.bond, jackmillion4.bond, cashiopeia2.bond and two others.

At least some of ust.dev's name servers are shared with other domains, for example ahdjsvsh.workers.dev, brain-say-church.pages.dev, king-10h.pages.dev and two more.

These name servers tend to be deployed in combination with the name servers adel.ns.cloudflare.com and jule.ns.cloudflare.com.

Host names with 6 IP numbers:

keenan.ns.cloudflare.com resolves to 108.162.195.11, 162.159.44.11, 172.64.35.11 and 3 other IP addresses.

sky.ns.cloudflare.com resolves to 108.162.194.2, 162.159.38.2, 172.64.34.2 and 3 other IP addresses.

Mail Servers

The MX records for ust.dev list three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

ust.dev shares mail servers — at least in part — with other domains, including vexorbr.com, lumaten.com, whsoftware.pt and two others.

Host names with 6 IP numbers:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.