Analyse du domaine 89.cerfrance.fr

Dns
ns1.cerfrance.fr : 54.37.99.57
ns2.cerfrance.fr : 54.37.99.58
Mx
c16.altospam.com : 195.154.94.191
u20.altospam.net : 94.23.228.5
SPF
v=spf1 a:webmailbfc.cerfrance.fr include:spf.protection.outlook.com include:message-business.com include:spf4.sbr-master.net include:spf.tipimail.com a:mx-out.resotic.fr mx:resotic.fr -all
SMTP server header
220 smtp.89.cerfrance.fr ESMTP ready.
SMTP return examples
250 : 2.1.5 Ok
550 : "Utilisateur inconnu !"
Analysed emails
9
Valid emails
8
Invalid email
1
Valid/invalid ratio
89%
11%
First analysis
16 septembre 2014, 08h14
Last analysis
11 juillet 2019, 07h50
Analyse domain