Email Authentication
joelonsoftware.com
SPF
passDeclares which servers may send mail for this domain.
v=spf1 mx mx:nsp11.fogcreek.com ip4:207.99.73.234 -all
DKIM
noneCryptographic signature on outbound mail (selector: none).
No record published.
DMARC
noneTells receivers what to do with mail that fails SPF/DKIM.
No record published.
Mail Servers (MX)
10 mxny1.fogcreek.com