Email Authentication

os.tc

SPF

pass

Declares which servers may send mail for this domain.

v=spf1 include:_spf.mx.cloudflare.net ~all

none

Cryptographic signature on outbound mail (selector: none).

No record published.

pass

Tells receivers what to do with mail that fails SPF/DKIM. Policy: reject.

v=DMARC1; p=reject; sp=none; adkim=r; aspf=s;

54 route2.mx.cloudflare.net

73 route1.mx.cloudflare.net

89 route3.mx.cloudflare.net