expr.dev - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

expr.dev

DNSSEC⚠️ Not signed
NSolga.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a89🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRolga.ns.cloudflare.com
A2803:f800:50::6ca2:c089🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRolga.ns.cloudflare.com
A2a06:98c1:50::ac40:2089🇺🇸 Cloudflare2a06:98c1:50::/45
PTRolga.ns.cloudflare.com
A108.162.192.137🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRolga.ns.cloudflare.com
A172.64.32.137🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRolga.ns.cloudflare.com
A173.245.58.137🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRolga.ns.cloudflare.com
NSwoz.ns.cloudflare.com
A2606:4700:58::adf5:3b96🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwoz.ns.cloudflare.com
A2803:f800:50::6ca2:c196🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRwoz.ns.cloudflare.com
A2a06:98c1:50::ac40:2196🇺🇸 Cloudflare2a06:98c1:50::/45
PTRwoz.ns.cloudflare.com
A108.162.193.150🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwoz.ns.cloudflare.com
A172.64.33.150🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwoz.ns.cloudflare.com
A173.245.59.150🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRwoz.ns.cloudflare.com
SOAolga.ns.cloudflare.comdns@cloudflare.com serial=2414066984

dev

DNSSEC🔒 Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1
🔒 HSTS Preload (+subdomains)

Same first word

expr.se
expr.es
expr.life
expr.com.br
expr.workers.dev
expr.co.kr
expr.app
expr.club
expr.run
expr.fund
expr.co
expr.net
expr.uk
expr.org
expr.fi
expr.kr
expr.dev
expr.pro
expr.cn
expr.io
expr.eu
expr.love
expr.tv
expr.shop
expr.us
expr.ru
expr.pages.dev
expr.pl
expr.site
expr.me
expr.win
expr.in
expr.cc
expr.de
expr.co.uk
expr.online
expr.com
expr.it
expr.nl
expr.fr

Similar names

rexp.info
prex.co.in
xerp.app
perx.de
xper.com.hk
perx.work
repx.au
prex.eu
prxe.com
xerp.xyz
xrep.app
xper.tools
repx.de
prex.it
prex.ai
xerp.io
prex.studio
perx.tv
xper.jp
prex.com.co
perx.com.au
xerp.ai
erpx.one
prxe.duckdns.org
prxe.org
xrep.duckdns.org
rxpe.co.uk
erpx.vn
exrp.org
repx.shop
pxre.xyz
xper.email
prex.pro
prex.jp
rxpe.in
rexp.org
xpre.ai
prex.team
xpre.de
erpx.pro
xerp.com.cn
xper.online
prex.xyz
prex.com.py
rxpe.ph
erpx.gov.sg
xerp.co.kr
prex.se
xper.org
xper.am
xerp.it
xper.pro
prex.ru
xrep.com
pxer.cn
prex.org
xrep.pl
perx.com
perx.travel
xerp.org
prxe.info
prex.media
rxep.com.ph
xrep.ru
repx.onl
xerp.vn
xrep.net
erpx.at
repx.online
erpx.in
xerp.ru
prex.net
repx.cc
repx.me
perx.co.uk
prxe.ltd
perx.co.za
xper.pl
perx.nl
rpex.co.uk
xpre.xyz
repx.eu.org
prex.co
prex.sh
xper.io
xpre.eu
repx.cn
xper.com.tr
xerp.pro
prex.co.uk
rexp.ir
xerp.com.hr
rexp.pro
xper.co.th
xerp.digital
prex.io
rpex.ru
exrp.com
xper.co
perx.vacations
xerp.live
pxre.ph
rpxe.com
rxep.xyz
perx.ru
pxre.cn
xrep.de
prex.workers.dev
xpre.ru
perx.no
xrep.co.uk
xerp.me

Previous names

exponential.dev
exponentialskills.dev
exponentialtech.dev
expopush.dev
expor.dev
exportal.dev
exportarts.dev
exportkit.dev
exportwise.dev
expos.dev
exposd.dev
expose-webmcp.dev
expose.dev
exposed.dev
expoship.dev
expositor.dev
exposr.dev
expostack.dev
exposure-notes.dev
exposure.dev

Next names

express-scripts.dev
express.dev
expressai.dev
expressapp.dev
expressdamway.dev
expressions-bible.dev
expressive.dev
expressiveui.dev
expresskellylogistics.dev
expresso.dev
expressostudio.dev
expressscripts.dev
expressthat.dev
exprmt.dev
expro.dev
expromo.dev
exprompt.dev
exprotolabs.dev
expry.dev
exptech.dev

DNS History

2 records (2 active, 0 former)

NSolga.ns.cloudflare.comwoz.ns.cloudflare.com
●NSolga.ns.cloudflare.com2026-09-01 → 2026-09-08 · 2 obs
● 2026-09-01 14:40:58
● 2026-09-08 00:26:36
●NSwoz.ns.cloudflare.com2026-09-01 → 2026-09-08 · 2 obs
● 2026-09-01 14:40:58
● 2026-09-08 00:26:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...-
expr.devwoz.ns.cloudflare.com, olga.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.137

NS records: woz.ns.cloudflare.com, olga.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for expr.dev (unsigned zone)

⏱️ Timing

Total: 433ms | Queries: -

📄 Records

TypeCountSample Data
NS2olga.ns.cloudflare.com, woz.ns.cloudflare.com
SOA1olga.ns.cloudflare.com dns.cloudflare.co

Analysis

Name Servers

Two name servers handle the delegation for expr.dev: olga.ns.cloudflare.com and woz.ns.cloudflare.com.

expr.dev shares its NS records with other domains, for example supsummit00.workers.dev, nerval.be, ubpmzga3qf5v.workers.dev and two others.

At least some of expr.dev's name servers are shared with other domains, for example e-nea.gr, ghxsty.lol, (0x706f726e)o666c.ru and two more.

The name servers luciane.ns.cloudflare.com, etta.ns.cloudflare.com, lewis.ns.cloudflare.com and two others are commonly seen in use alongside these name servers.

DNS names with 6 IP addresses:

olga.ns.cloudflare.com resolves to 108.162.192.137, 172.64.32.137 and 173.245.58.137 among others, with 3 other IP addresses in total.

woz.ns.cloudflare.com resolves to 108.162.193.150, 172.64.33.150 and 173.245.59.150 among others, with 3 other IP addresses in total.