Twenty read-only check tools that run real network probes on demand, with no account and no token: TLS certificate inspection, DNS resolution and propagation, MX lookups, SPF, DKIM and DMARC validation, DNSBL blacklist status, WHOIS and domain expiry, HTTP headers, HSTS, redirect
Prices and medians update for the tier you select.
Ranked by how closely each one matches ggez's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.