DNSAudit.io vs Email Security Test by ImmuniWeb: side-by-side comparison (2026)
DNSAudit.io is a free security scanning solution by DNSAudit.io. Email Security Test by ImmuniWeb is a free security scanning solution by ImmuniWeb. Features, integrations, deployment and the company behind each one, side by side.
Free DNS security scanner that checks domains for misconfigs and exposure.
A free online tool that tests email server security by evaluating server configurations
Side-by-side comparison
Feature
DNSAudit.io
Email Security Test by ImmuniWeb
Pricing model
Free
Free
Category
Security Scanning
Security Scanning
Verified
No
No
Deployment and fit
Deployment type
Cloud
Cloud
Company size fit
Startup, SMB, Mid-Market, Enterprise
Startup
Company
Company
DNSAudit.io
ImmuniWeb
Use cases and capabilities
DNS Security
Yes
No
Misconfiguration
Yes
No
DMARC
Yes
No
SPF
Yes
Yes
DKIM
Yes
Yes
Security Scanning
Yes
Yes
Reconnaissance
Yes
No
DNS Rebinding
Yes
No
Core features
10 features listed
10 features listed
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