Let’s fix your email, domain and web security
Red Sift helps security and IT teams embrace the security protocols that keep the internet safe – like DMARC, SPF, DKIM and TLS to name a few.
Why security teams choose Red Sift
Save the Children secures global domains with Red Sift to protect vital humanitarian operations
Save the Children secured its global email infrastructure across 115 countries with OnDMARC, achieving DMARC reject policy to protect vulnerable populations while meeting Google and Yahoo bulk sender requirements.

You haven’t implemented DMARC, allowing attackers to send spoofed emails from your domain straight to customers’ inboxes.
You aren’t continuously monitoring your DNS, letting misconfigurations slip through unnoticed to be used by bad actors.
You aren’t identifying brand impersonation, leaving lookalike domains and phishing websites free to scam your customers.
Secure your inbox and your brand with Red Sift
Not a DMARC expert? No problem. We help resource constrained security and IT teams reach DMARC enforcement in just 6-8 weeks.
Embrace the protocols
Red Sift OnDMARC is the only DMARC app to automate SPF, DKIM, DMARC, BIMI and MTA-STS.
Defend the gaps
Proactively identify subdomains with misconfigured or orphaned DNS records that are susceptible to SubdoMailing. Integrate with Red Sift Brand Trust to stay protected from brand abuse from lookalike domains.
Stop the drift
Use automation to continuously monitor and report on every domain and subdomain sending mail. Troubleshoot with granular reports and manage up with executive-level summaries.
Scale with AI
Resolve issues 10x faster with actionable, real-time intelligence directly into existing workflows. Get in-depth assessments of misconfigurations, suspicious IP addresses and emails.
Voted #1 for 11 consecutive quarters
Rated a DMARC Leader on G2, Red Sift OnDMARC is trusted by security and IT teams over Valimail, EasyDMARC, and PowerDMARC to simplify authentication and defend their brands from abuse.
Satisfaction Ratings
See proactive brand and email security in action
Attackers take advantage of weak subdomains, DNS gaps, and realistic lookalikes to evade traditional controls. That’s why true brand protection extends well beyond DMARC.
Frequently asked questions
Organizations can stop phishing attacks with email authentication protocols like DMARC, SPF, and DKIM. OnDMARC simplifies deploying these protocols to stop phishing and brand impersonation at the source. For more email authentication best practices to prevent phishing, visit our email security guide.
Red Sift OnDMARC guides you through identifying all your senders, updating your SPF and DKIM, and gradually tightening your DMARC policy from monitoring (p=none) to enforcement (p=quarantine/p=reject). With automation and expert guidance, organizations typically reach full enforcement in 6-8 weeks with OnDMARC.
Red Sift OnDMARC is a G2 grid leader in EMEA and Europe and award-winning solution in DMARC protection with customers seeing a 6–8 week average time to full DMARC enforcement (p=reject or p=quarantine).
By implementing DMARC, you can boost your email deliverability rates by letting receivers know your emails are authenticated. Red Sift OnDMARC boosted Wise’s email deliverability rate to 99%.
Dynamic SPF is an OnDMARC feature that authenticates all approved senders through a single dynamic include. It eliminates SPF PermErrors caused by the 10-DNS-lookup limit by flattening records at query time—no manual DNS updates or macros required. This ensures reliable SPF authentication and uninterrupted email delivery.
DNS Guardian by Red Sift OnDMARC stops malicious mail that slips past DMARC, like spam from domain takeovers and SubdoMailing. DNS Guardian is the only DNS monitoring solution offered by a DMARC provider.
Once an organization enforces DMARC with a policy of p=reject, it can use BIMI to display its verified brand logo in supported email clients. Learn more about BIMI here.
Red Sift is the only DMARC provider that can stop bad actors from exploiting the known gaps in the DMARC standard – like SubdoMailing or lookalike attacks.
Stop your exact domain from being used for malicious mail with Red Sift OnDMARC.
Prevent SubdoMailing and domain hijacking with DNS Guardian in Red Sift OnDMARC.
Proactively identify lookalike domains and brand abuse with Red Sift Brand Trust.
Ready to protect your brand? Let’s talk.













