LaboratorU
Email/DNS
Local SPF, DMARC, DKIM, and MX preflight helpers before live DNS checks.
SPF InspectorInspect pasted SPF TXT records locally for common syntax and policy issues.DMARC InspectorInspect pasted DMARC TXT records locally for policy, reporting, and percentage settings.DKIM HelperBuild DKIM DNS names and inspect pasted DKIM TXT or CNAME values locally.MX InspectorInspect pasted MX records locally for priority order and common record-shape issues.