Email Authentication

howstuffworks.com

SPF

fail
Declares which servers may send mail for this domain.
v=spf1 include:_spf.google.com ~all

DKIM

none
Cryptographic signature on outbound mail (selector: none).
No record published.

DMARC

warning
Tells receivers what to do with mail that fails SPF/DKIM. Policy: quarantine.
v=DMARC1; p=quarantine; pct=5; rua=mailto:dmarc@howstuffworks.com

Mail Servers (MX)

1 aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 alt4.aspmx.l.google.com
10 alt3.aspmx.l.google.com