Email Authentication
cityheaven.net
SPF
passDeclares which servers may send mail for this domain.
v=spf1 +ip4:211.8.27.0/25 +ip4:210.228.141.128/25 +ip4:211.8.134.128/25 a:www645b.sakura.ne.jp mx ~all
DKIM
passCryptographic signature on outbound mail (selector: s1).
k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvPlRc98+8m2pAOgkP9mbDD1iUL0MeXJuCnT4JXx9UsRSMNET3IZDvLWc+FRwPNCH1PmdF29l3Nqwwry0vmcV7W2gILCi+MkSox0Dv1J/at0V79BJunQkM2qspp4m5YnLegZLj7wN9YsgTiUyqrlkwqeFiNbFnCyLm9ZJg2Kw+ANHE6Pu5hJiwPitPFc4PCmsXLRVtZrumw0qDFnrx/b+RSZXaIgIgyNurzapciMjkVCWTnfcnbkgCMXvCkiiIh9U88jsVkVV4u9Y2QIkXPXJzx3iz0be/5qxQA392aXjRG5fV66xtKWP/gbhagVftOlD5LAK/n2S7EZRqsNzzd+0DQIDAQAB
DMARC
warningTells receivers what to do with mail that fails SPF/DKIM. Policy: none.
v=DMARC1; p=none; pct=0; rua=mailto:dmarc-reports@mail.cityheaven.net; sp=none; adkim=r; aspf=r;
Mail Servers (MX)
10 www645b.sakura.ne.jp