Enter the mail domain
Use the exact domain involved in your mail setup, not an email address.
Look up published SPF, DMARC and MX records for a domain without sending email or claiming delivery verification.
Dein Ergebnis erscheint hier
SPF and DMARC Checker is a free online website tool from GigaTools. Look up published SPF, DMARC and MX records for a domain without sending email or claiming delivery verification. It works in any browser on desktop or mobile, with no account or installation needed.
So funktioniert es
Use the exact domain involved in your mail setup, not an email address.
Read TXT on the domain, TXT on _dmarc.domain and MX records from Google Public DNS.
Use the published evidence to investigate setup. A record lookup cannot test delivery or actual message authentication.
FAQ
1. Enter the mail domain: Use the exact domain involved in your mail setup, not an email address. 2. Look up the records: Read TXT on the domain, TXT on _dmarc.domain and MX records from Google Public DNS. 3. Review with your provider: Use the published evidence to investigate setup. A record lookup cannot test delivery or actual message authentication.
No. It locates matching records and flags duplicates. It does not expand SPF includes, count recursive lookups, evaluate sending IPs or apply parent-domain DMARC policy.
No. DNS records alone cannot verify mailbox creation, forwarding, sender reputation, alignment or delivery. No test email is sent.
Weiterarbeiten
Erstelle eine übersichtliche robots.txt-Datei für deine Website.
Codiere oder dekodiere URL-Bestandteile sicher.
Ermittle die aktuellen IP-Adressen eines Domainnamens.
Erzeuge aus einem Text einen MD5-Hash.
Check the HTTP response to a HEAD request from the GigaTools server. A failed check is not proof of a global outage.
Miss die Antwortgröße einer öffentlich zugänglichen Webseite.