indexo.dev

expo.dev

.dev toplist crawl

First seen 2026-04-11 · Last seen 2026-05-18 · ok HTTP/1.1 200 1119 ms crawled 2026-05-18

US · 104.18.4.104 · AS13335 Cloudflare, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Expo
Description
Expo is an open-source platform for making universal native apps for Android, iOS, and the web with JavaScript and React.
Language
en

Open Graph

title
Expo
locale
en_US
site name
Expo
description
Expo is an open-source platform for making universal native apps for Android, iOS, and the web with JavaScript and React.

Technology

CDN
Cloudflare
CMS
Next.js

Third-party hosts loaded (1)

  • cdn.sanity.io×18

Social

DNS records live

NS
  • dale.ns.cloudflare.com
  • lucy.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
Show 6 TXT records
  • MS=ms34416275
  • anthropic-domain-verification-kg78qv=zwGRA0hTm7PLuxuM8515HyCOz
  • google-site-verification=u0RXqZnT89wChVAEGxTyhjLHw8JXo4iDq4gin_JJbCY
  • linkedin-site-verification=f329028e-f5dd-48a3-8489-6cc607cc0edf
  • status-page-domain-verification=pkt5b56rksrq
  • stripe-verification=0884d254d82c4c3eb774d03ed72ed7f78688404426031101fb0a359c9b3ff30e

Email authentication strong

SPF
v=spf1 include:_spf.google.com include:sendgrid.net include:servers.mcsv.net include:stspg-customer.com include:22007177.spf04.hubspotemail.net -all
strict (-all)
DMARC
v=DMARC1; p=quarantine; aspf=s; adkim=s
policy: quarantine
DKIM
Show 4 DKIM selectors
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxb3dlsz0kCmOhZgE99R5Q4JmFVP1JNni+Kc8egIAGhFs0g4LGetBo5KXcIKMzZ4XxV878aLIQ2zecG…
  • k2: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA…
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAybjjGA9bVv+Zp1gkjMpXaLrB+58NR2oTObU5NMsevbG/2E7uCEtxtNg6aiwebVSxyr6MXLUXI3aLyW9qnl…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCknL8uJw3/8wmcVjy1Nf6oBrURWnxiQrpgpUWefO2hPE4zIj7ae/nuHdbSJ1e9Clr6bt3NOaje4vWjnA+G7mVVIf…
selectors probed

Certificate (current)

WE1
from 2026-05-14 to 2026-08-12
Expires in 85 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 85/100 Checked live page: https://expo.dev/

present
  • strict-transport-security
  • content-security-policy
  • x-frame-options
  • x-content-type-options
findings
  • CSP uses wildcard sources
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN
x-content-type-options
nosniff
content-security-policy
default-src 'self' https://static.expo.dev; connect-src 'self' https://api.expo.dev https://static.expo.dev https://job-artifacts.eascdn.net https://job-logs.eascdn.net https://staging-assets.eascdn.net https://assets.eascdn.net https://eas.expo.app https://cdp.expo.dev https://cdn.rudderlabs.com http://127.0.0.1:* https://qr.expo.dev https://status.expo.dev https://8tdse0ohgq-dsn.algolia.net https://qex7pb7d46-dsn.algolia.net https://sessions.bugsnag.com https://*.g.doubleclick.net https://api.github.com https://google.com https://*.google.com https://*.analytics.google.com https://*.google-analytics.com https://www.googleadservices.com https://*.googleapis.com https://pagead2.googlesyndication.com https://*.googletagmanager.com https://react-tweet.vercel.app https://reactnative.directory https://api.rudderstack.com https://9r24npb8.api.sanity.io https://9r24npb8.apicdn.sanity.io https://faro-collector-prod-us-east-3.grafana.net https://sentry.io https://o30871.ingest.sentry.io https:
strict-transport-security
max-age=31536000; includeSubDomains

Links to (5)

Linked from (22)