What changed
- Five authentication tools: SPF generator, SPF lookup counter, flattening planner, DKIM record generator and DMARC wizard.
- Five DNS/TLS tools: MX lookup, PTR lookup, HELO validator, MTA-STS generator and TLS-RPT generator.
- Five deliverability tools: header analyzer, bounce analyzer, warm-up calculator, authentication validator and blacklist resource center.
- Copy and TXT download actions on every tool.
- Live DNS checks use public DNS-over-HTTPS directly from the visitor's browser.