Hosted DKIM

Control selectors, manage keys, and maintain authentication from one cloud dashboard. One CNAME setup, zero DNS edits after that.

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DKIM selectors Hosted by PowerDMARC
Email platformDKIM pass
selector1._domainkey.yourdomain.com
DKIM pass rate99%
2048-bitCNAMENo DNS edits
Newsletter toolDKIM pass
news._domainkey.yourdomain.com
DKIM pass rate97%
2048-bitCNAMENo DNS edits
CRMDKIM pass
crm._domainkey.yourdomain.com
DKIM pass rate95%
1024-bitCNAMENo DNS edits
Billing systemDKIM pass
billing._domainkey.yourdomain.com
DKIM pass rate98%
4096-bitCNAMENo DNS edits
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DKIM Management is Harder Than it Looks

Managing DKIM at scale quickly becomes messy. Multiple selectors per domain and manual DNS edits create constant overhead.

Every update introduces risk. A small syntax error can break authentication and impact deliverability.

What is Hosted DKIM?

Hosted DKIM is a cloud-based DKIM record management solution that lets you manage selectors and keys without editing DNS records directly.

With PowerDMARC, you publish a one-time CNAME setup, then control your DKIM selectors, keys, and updates from a centralized dashboard. It’s faster, safer, and built for scale.

Set Up in Minutes, Manage Forever

Add a single CNAME record

Connect your domain once to enable cloud-managed DKIM control.

Generate and manage selectors

Create, update, and organize DKIM selectors directly from your dashboard.

Track selector performance

Monitor email volume, DKIM pass rates, and per-selector insights from the Analytics tab.

Why Choose PowerDMARC for DKIM

Full key length flexibility with 1024, 2048, and 4096-bit support

Dedicated DKIM Analytics dashboard for visibility and troubleshooting

Built on AWS Route 53 for global availability and resilience

Multi-domain and MSP-ready to manage DKIM for hundreds of clients seamlessly

Complete authentication stack including DMARC, SPF, DKIM, MTA-STS, BIMI in one platform

Everything You Need to Manage DKIM

Manage selectors without touching DNS

Add or update DKIM selectors directly from your dashboard, no DNS access required.

CNAME and TXT record support built in

Generate, validate, and configure DKIM CNAME and TXT records from one interface.

Track selector performance in real time

Monitor email volume, DKIM pass rates, and per-selector insights from the Analytics tab.

Built for reliability at a global scale

Powered by AWS Route 53 infrastructure to ensure high availability and performance.

Choose the right key strength for your security

Support for 1024, 2048, and 4096-bit keys.

Manage all domains from one place

Control DKIM across multiple domains and subdomains from a single dashboard.

Trusted by Security Teams Worldwide

Protecting thousands of domains globally across enterprises, MSPs, and government organizations.

Read reviews on G2
Managing DMARC, SPF, and DKIM across multiple customers used to be time-consuming and fragmented. PowerDMARC streamlines that process by giving us a centralised, multi-tenant dashboard with clear visibility and actionable insights.
Ryan Scott Technical Team Leader at Primary Tech

Frequently Asked Questions

What is the difference between Hosted DKIM and self-managed DKIM?

Hosted DKIM is a cloud-managed approach where you control DKIM selectors and keys from a centralized dashboard instead of editing DNS records manually. Self-managed DKIM requires direct DNS access for every update, increasing the risk of errors and downtime. Hosted DKIM simplifies DKIM record management by enabling faster updates, validation, and centralized control.

What is a DKIM selector and why does it matter?

A DKIM selector is a label used to identify a specific DKIM key for your domain. It allows multiple keys to exist simultaneously. Properly managing selectors ensures uninterrupted DKIM authentication and prevents delivery issues during updates or migrations.

Does PowerDMARC's Hosted DKIM support 4096-bit keys?

Yes, PowerDMARC supports 1024, 2048, and 4096-bit DKIM keys. This allows you to choose the appropriate key strength based on your security requirements and compliance needs, while maintaining compatibility with your email infrastructure.

Can I manage DKIM for multiple domains from one account?

Yes, Hosted DKIM is designed for multi-domain environments. You can manage DKIM selectors, keys, and configurations for multiple domains and subdomains from a single dashboard, making it ideal for enterprises and MSPs.

Does Hosted DKIM work with Google Workspace and Microsoft 365?

Yes, PowerDMARC's Hosted DKIM integrates seamlessly with platforms like Google Workspace and Microsoft 365. It helps ensure proper DKIM authentication while simplifying selector and key management across your email ecosystem.

What happens to my DKIM records if I cancel my subscription?

If you cancel your subscription, your DKIM setup will no longer be managed through the platform. You can transition back to a self-managed setup by updating your DNS records manually to maintain DKIM authentication continuity.

Start Doing More With Your DKIM

5-minute setup · No DNS expertise needed · Cancel anytime

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