resend.com

HTML metadata

Title

Resend · Email for developers

Description

The best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale.

Language

en

Canonical

https://resend.com

Feeds

RSS RSS

Open Graph

title: Resend · Email for developers
description: The best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale.

Technology

CDN: Vercel
CMS: Next.js

Analytics

Plausible

Third-party hosts loaded (1)

plausible.io×1

Social

Registration

Registrar

Amazon Registrar, Inc.

Created

2002-08-23

Expires

2026-08-23 95 days left

Updated

2026-05-13

Name servers

ns-1017.awsdns-63.net
ns-1047.awsdns-02.org
ns-1910.awsdns-46.co.uk
ns-399.awsdns-49.com

DNS records live

NS

ns-1017.awsdns-63.net
ns-1047.awsdns-02.org
ns-1910.awsdns-46.co.uk
ns-399.awsdns-49.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 8 TXT records

OSSRH-89476
anthropic-domain-verification-eg6zmc=GUL1nibiemWkI0ed7xBdqCp2f
apple-domain-verification=jSjlmZKPbN4Y6q0RpeZlG9u91rnz7u0I3Sd7Md_PuKQ
google-site-verification=CUET3Yw2VhI0haxJZ1IfCqDGJyHQVngs3WhrYoFnths
google-site-verification=XKBn7AaBJgpvdcnqOK8y8HbZicAN-fK0qQVe7UuHDog
linear-domain-verification=6x2ex3xu3sby
notion-domain-verification=Z2gCKFyNMpCuoBrnJwskSbxzBRs7JU0FxCaaSEyLEp
postman-domain-verification=82abfa6892faf4a9b4e83e0e1a1b3c5ead515575a566fbad5a27ad31bc72abedbf1b3f2a6dc82fe1a893a0915dfa4fe5648543a1ea757147f9466cc7bdd9db07

Email authentication strong

SPF

v=spf1 include:_spf.google.com ~all

softfail (~all)

DMARC

v=DMARC1; p=reject; pct=100; rua=mailto:ozsm6m1q@ag.us.dmarcian.com,mailto:dmarcreports@resend.com; ruf=mailto:ozsm6m1q@fr.us.dmarcian.com; fo=1;

policy: reject (enforced)

DKIM

google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCRcW2PEOQus6dQrB3B18cEi3qaPUx03QIPZWxFBQ1+IDp+TVEVos0r9hgI25lB5egnwspsfvNh4h9WT50E1f…

selectors probed

Certificate (current)

R12

from 2026-04-29 to 2026-07-28

Expires in 70 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 90/100 Checked live page: https://resend.com/

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options
referrer-policy
permissions-policy

findings

CSP allows unsafe inline scripts/styles
CSP uses wildcard sources

Header values

referrer-policy: origin-when-cross-origin
x-frame-options: SAMEORIGIN
permissions-policy: autoplay=(self), geolocation=(), microphone=(), camera=()
x-content-type-options: nosniff
content-security-policy: default-src 'self'; connect-src 'self' data: https://api.liveblocks.io wss://api.liveblocks.io/ https://react-tweet.vercel.app https://plausible.io https://js.hs-scripts.com https://unpkg.com https://app.posthog.com https://api.management.inkeep.com/graphql https://api.inkeep.com wss://api.inkeep.com/graphql https://fonts.gstatic.com https://us.i.posthog.com https://*.mintlify.com https://*.mintlifytrieve.com https://resend-status.com https://*.resend.com https://resend.com https://vercel.live https://api.reo.dev https://fpjs.io https://*.fpjs.io https://maps.googleapis.com https://img.logo.dev; script-src 'self' 'unsafe-eval' 'unsafe-inline' https://plausible.io https://js.hs-scripts.com https://js.stripe.com https://cdn.lr-in-prod.com https://*.mintlify.com https://vercel.live https://js.hs-analytics.net https://va.vercel-scripts.com https://us-assets.i.posthog.com https://*.resend.com https://resend.com https://static.reo.dev https://fpjs.io https://*.fpjs.io https://maps.goog
strict-transport-security: max-age=63072000