Le champs SPF est un champs important pour la délivrabilité de vos e-mails. Mal configuré, absent, cela peut vous occasionner des rejets de réception des e-mails que vous envoyez à vos correspondants. Un autre champs TXT important est la signature DKIM qui jour également, énormément, en faveur de la délivrabilité des vos e-mails
Plus généralement, le SPF, ou Sender Policy Framework, est un système de vérification conçu pour empêcher l'usurpation d'adresse électronique en validant l'expéditeur d'un e-mail. Lorsqu'un domaine met en place un enregistrement SPF, il spécifie quels serveurs de messagerie sont autorisés à envoyer des e-mails. Lorsqu'un e-mail est reçu, le serveur de réception peut vérifier cet enregistrement pour s'assurer que l'e-mail provient d'un serveur des serveurs autorisés. Si ce n'est pas le cas, il peut être marqué comme suspect ou rejeté, ce qui aide à réduire le spam et le phishing en vérifiant que les e-mails proviennent bien de la source autorisés.
Domain Name: fairfaxva.gov
Registrar WHOIS Server: whois.nic.gov
Registrar URL: https://get.gov
Updated Date: 2025-09-15T17:25:20Z
Creation Date: 2001-12-11T05:00:00Z
Registry Expiry Date: 2026-09-10T17:25:20Z
Registrar: get.gov
Registrar IANA ID: 8888888
Registrar Abuse Contact Email:
Registrar Abuse Contact Phone:
Domain Status: serverTransferProhibited https://icann.org/epp#serverTransferProhibited
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Security Organization: Cybersecurity and Infrastructure Security Agency
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Security Email: techsupport@fairfaxva.gov
Name Server: pdns107.ultradns.biz
Name Server: pdns107.ultradns.com
Name Server: pdns107.ultradns.net
Name Server: pdns107.ultradns.org
DNSSEC: unsigned
>>> Last update of WHOIS database: 2026-04-24T16:30:33Z <<<
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% WHEN: Fri Apr 24 16:30:33 UTC 2026
