indexo.dev

plain.com

.com crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 452 ms crawled 2026-05-19

US · 76.76.21.21 · AS16509 Amazon.com, Inc.

Reputation 100/100

Classifying

HTML metadata

Title
Plain — The AI Support Stack Built for B2B
Description
Plain is the AI support stack built for B2B teams. Composable infrastructure that gives you complete flexibility to build a support motion that grows with your business — no-code or all-code.
Language
en
Generator
Framer 27b79d7
Canonical
https://www.plain.com/

Open Graph

url
https://www.plain.com/
title
Plain — The AI Support Stack Built for B2B
description
Plain is the AI support stack built for B2B teams. Composable infrastructure that gives you complete flexibility to build a support motion that grows with your business — no-code or all-code.

Technology

CDN
Vercel
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (4)

  • framerusercontent.com×69
  • fonts.gstatic.com×2
  • www.googletagmanager.com×2
  • events.framer.com×1

Social

Registration

Registrar
1API GmbH
Created
1996-06-20
Expires
2026-06-19 29 days left
Updated
2025-11-24
Name servers
  • ns-1118.awsdns-11.org
  • ns-1770.awsdns-29.co.uk
  • ns-373.awsdns-46.com
  • ns-834.awsdns-40.net

DNS records live

NS
  • ns-1118.awsdns-11.org
  • ns-1770.awsdns-29.co.uk
  • ns-373.awsdns-46.com
  • ns-834.awsdns-40.net
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
Verified for
  • Anthropic
  • Apple
  • Google
  • Microsoft 365

Email authentication strong

SPF
v=spf1 a include:_spf.google.com include:mailgun.org ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; sp=reject; rua=mailto:re+02b9557c1d33@inbound.dmarcdigests.com; ruf=mailto:dmarc-reports@plain.com; pct=100
policy: reject (enforced) · sp=reject
DKIM
  • google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuOYJuIqkb5Rb4AdR8wRIIhVYd7cKmRcf/OJZ1PvnsikDtS/U7YYnlB/gvpqgEWI/kolOc6dBP5GPF3…
selectors probed

Certificate (current)

R13
from 2026-04-26 to 2026-07-25
Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 60/100 Checked live page: https://www.plain.com/

present
  • strict-transport-security
  • x-content-type-options
findings
  • missing Content Security Policy
  • missing frame protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-content-type-options
nosniff
strict-transport-security
max-age=31536000;

Links to (2)

Linked from (1)