DNS and email checker
Inspect address, MX, nameserver, SPF, DMARC and a known DKIM selector.
Open checker →Free technical tools
Check before you buy
Run first-party DNS, TLS and latency checks, then carry the evidence into the right calculator or migration request.
No accountPublic checks without registration
Fixed scopeNo arbitrary URL or port scanning
Source-backedResults linked to technical guides
FastVPS toolbox
Useful output, not a lead form disguised as a tool.
Checks are rate-limited and restricted to domain, DNS, HTTP and HTTPS operations. Results are not stored as customer records.
SSL and website health
Resolve public addresses, inspect certificate names and expiry, and test HTTP/HTTPS.
Open checker →Browser latency test
Measure seven real HTTPS round trips from your browser to the active FastVPS web edge.
Run test →VPS calculator
Combine CPU, RAM, storage, management, backup and SLA into an indicative estimate.
Build VPS →Hosting calculator
Estimate a business website or WooCommerce hosting scope before review.
Build hosting →Mailbox calculator
Choose mailbox count, quota, migration and backup to estimate recurring cost.
Build mail plan →Found a problem?
Send the checker result with the domain and expected configuration for a focused technical review.