redsift.com

HTML metadata

Title

Red Sift | Creating a Fundamentally Safer Internet with Proactive Security

Description

Trusted by 1,200+ teams worldwide, Red Sift makes it simple to deploy proactive security across email, web and PKI -- embracing protocols like DMARC & TLS, protecting gaps, and scaling with AI.

Language

en-us

Canonical

https://redsift.com/

Translations

de
en
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it

Open Graph

url: https://redsift.com/
title: Red Sift | Creating a Fundamentally Safer Internet with Proactive Security
site name: Red Sift
description: Trusted by 1,200+ teams worldwide, Red Sift makes it simple to deploy proactive security across email, web and PKI -- embracing protocols like DMARC & TLS, protecting gaps, and scaling with AI.

Technology

CDN: Amazon CloudFront
CMS: Next.js

Analytics

Google Tag Manager

Fonts

Google Fonts

Third-party hosts loaded (6)

images.prismic.io×47
red-sift.cdn.prismic.io×45
fonts.gstatic.com×2
fonts.googleapis.com×1
static.cdn.prismic.io×1
www.googletagmanager.com×1

Social

Contact

Address: 4th Floor, 21A Noel Street, W1F 8GR, London, Greater London, GB

Registration

Registrar

Name.com, Inc.

Created

2016-05-06

Expires

2030-05-06 1447 days left

Updated

2021-01-18

Name servers

asa.ns.cloudflare.com
dion.ns.cloudflare.com

DNS records live

NS

asa.ns.cloudflare.com
dion.ns.cloudflare.com

MX

1 aspmx.l.google.com
10 aspmx2.googlemail.com
10 aspmx3.googlemail.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com

TXT

Show 9 TXT records

yahoo-verification-key=LVTWhKBITa3byxYoYNRdbA0xUsDVhWqOrer0XspD/a4=
MS=ms30309691
anthropic-domain-verification-53fpqt=wPSXNxMHL38aOu2GBGZbN8Kl1
atlassian-domain-verification=97rTVAOPojzCKISamQM6N91DG7STqKoPDCJVqZafPAuc2fYURh7Yt6KnvGah8FZo
firebase=redsift-1012
google-site-verification=CQjKm_aalkqSQn1MMlQD5UCsE1HRejuiWH-RgYMrl9g
google-site-verification=wMqFgLbWhqo7aRiitsAeZ8CBoaSlUSBQhaYJeofP3KM
status-page-domain-verification=1hqtdy9nj9qg
unbounce=470601

Email authentication strong

SPF

v=spf1 include:_u.redsift.com._spf.smart.ondmarc.com ~all

softfail (~all)

DMARC

v=DMARC1; p=reject; pct=100; sp=reject; rua=mailto:6301a309@inbox.ondmarc.com; ruf=mailto:6301a309@inbox.ondmarc.com; adkim=r; aspf=r; fo=1; rf=afrf; ri=3600

policy: reject (enforced) · sp=reject

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtqirK3g61PgTril9E3HTc4VS7Zv+MA+jJPZzxjZDbI081wOH3fBuVQYHpc0KQlFHNHRDbx995BpfBC…

selectors probed

Certificate (current)

Sectigo Public Server Authentication CA DV R36

from 2025-12-04 to 2027-01-05

Expires in 230 days

Full certificate history on crt.sh ↗

HTTP security headers

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

present

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

findings

CSP uses wildcard sources
missing Permissions Policy

Header values

referrer-policy: origin
x-frame-options: deny
x-content-type-options: nosniff
content-security-policy: child-src blob:; default-src 'self' data: https://*.redsift.com https://red-sift.prismic.io/ https://*.internal.prismic.io/* https://hook.integromat.com/ https://sentry.io/ https://*.ingest.sentry.io/ https://consentcdn.cookiebot.com/ https://*.wistia.com https://*.wistia.net; font-src 'self' https://*.redsift.com https://fonts.gstatic.com/ data: chrome-extension: moz-extension: safari-web-extension: https://*.hotjar.com https://*.wistia.com; img-src 'self' blob: data: https: https://*.google-analytics.com https://*.analytics.google.com https://*.googletagmanager.com https://*.g.doubleclick.net https://ssl.gstatic.com https://www.gstatic.com https://*.google.co.uk https://googleads.g.doubleclick.net https://googletagmanager.com https://www.google-analytics.com https://www.google.com https://google.com https://*.google.com https://*.hotjar.com https://images.prismic.io https://*.internal.prismic.io/* https://*.wistia.com https://*.wistia.net https://embedwistia-a.akamaihd.net https://ba
strict-transport-security: max-age=63072000; includeSubDomains; preload