Network tools
Free diagnostics for your domain and connection.
Check DNS, email, security, blacklist status, ports, speed and uptime — then talk to us if something needs fixing.
Health report
Full domain check — site, email, DNS and blacklist
Speed test
Download, upload, ping, jitter and bufferbloat
Site check
DNS, SSL and security headers
Email check
SPF, DKIM and DMARC records
Blacklist check
Spam and DNS blocklist lookup
DNS lookup
A, MX, TXT, NS and CNAME records
Domain check
WHOIS expiry and redirect chain
Security scan
TLS protocol, cipher and header grade
Port check
Common ports 80, 443, 25, 587 and 3389
System status
MrTech platform uptime