Best DNS Security Software for Freelancers

DNS Assistant is a DNS Posture Management platform that gives organizations continuous visibility into the security and integrity of their domain infrastructure. Going beyond traditional uptime and record-change monitoring, DNS Assistant continuously evaluates the full security posture of your DNS, including dangling subdomain and takeover exposure across more than 22 cloud providers, TLS configuration grading, SPF, DKIM, and DMARC email authentication health, DNSSEC chain-of-trust validation, and WHOIS change detection. Built for security teams, infrastructure engineers, and managed service providers, DNS Assistant delivers real-time change detection with multi-channel alerting across email, Slack, Teams, SMS, and webhooks. Its multi-tenant architecture supports organizations, teams, and granular role-based access, making it equally suited to a single business protecting its own domains or an agency managing thousands of client domains from one console. a full REST API provided.