webapp — Web Application Scan
Tools and what they check:
Best for: auditing your own web applications, checking for OWASP Top 10 issues.
dns-auth — DNS Authentication Scan
Tools and what they check:
The summary states whether the domain has MX records, an SPF record and a DMARC record, for example
SPF: missing. DKIM is not checked: its record name depends on a selector only the mail sender knows.
ip — Network Scan
Tools and what they check:
Takes about two minutes. The summary lists the open ports with their services, for example
Open ports (3): 53/tcp domain; 80/tcp http; 443/tcp ssl/http.
Best for: discovering exposed services and unauthorized open ports.