Email Authentication

11st.co.kr

SPF

pass

Declares which servers may send mail for this domain.

v=spf1 include:_spfblocka.11st.co.kr include:_spfblockb.11st.co.kr ~all

none

Cryptographic signature on outbound mail (selector: none).

No record published.

none

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

No record published.