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.
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% WHOIS laesche.eu
Domain: laesche.eu
Script: LATIN
Registrant:
NOT DISCLOSED!
Visit www.eurid.eu for the web-based WHOIS.
On-site(s):
NOT DISCLOSED!
Visit www.eurid.eu for the web-based WHOIS.
Technical:
Organisation: netcup GmbH
Language: de
Email: mail@netcup.de
Registrar:
Name: netcup GmbH
Website: https://www.netcup.com
Name servers:
ns.laesche.eu (5.75.160.219)
ns.laesche.eu (2a01:4f8:1c1c:1261::1)
ns.laesche.net
Keys:
flags:KSK protocol:3 algorithm:RSA_SHA256 pubKey:AwEAAe15hWiVH7YnkwTJrbhS7Mgsypk28u2L0SmLYoEZHQNuiDvZ3dR/9MYTDa+IITCHqTcpC/vMihrtjJFOlE4tbCSnLouw69g7+szPxyIymI8pGD5MBRi4IES2ujFuXaMqY9qbaNu1Tr4Qg01SwkmfdrMCCEvTUJqQFno8jXHICKRqQPg3aKQEw8SXRzn0ddvw0Xsy/WjD74KFcN9WGSQG1iGHObfdzMgN5IntQw/91B7U92U3lmtThZQGNJ16kp7jNoAJ64kpbE6NtAde9EfTG5pZdvaerIuIeBIOcFeIBfjkIX2VDbMpNIxrRfylaQFHKCb1zCXaww4uZV4bTCv69AU=
flags:ZSK protocol:3 algorithm:RSA_SHA256 pubKey:AwEAAamnkyuDUJcTiStXWQsa4lNpu2bZi1ahaUcWQ4HYtOSGGU8h8ZwxBY9M432iDLtN0ggUvHJoDat2wH2Ts9oTZnZhbkckIf1xv2vogM3VxKGtJxBZ1sGWkvhvTW/uV8DiIVgVD1LU3l4mqFF61xvCzFfAQZObfhH4HioxdLqAt4b2kot7+kDT374FQt+awFWymef4e7Bz+fBdu146thH0hIlp8fLXzj4f9IY7AwtzSSwqiGaboexAUTP4wGjOJhOooTQ9ZsxYEQyOiEbTPr/dUF6JUVRyktMLE7zRaBatmf7aHEBlGhy3xfGRCB+mdmNM+OVN1kgt9OmDa503wA0zwyM=
Please visit www.eurid.eu for more info.
% Query time: 470 msec
% WHEN: Sat Jun 27 02:01:33 UTC 2026
