Email Authentication

airliners.net

SPF

pass
Declares which servers may send mail for this domain.
v=spf1 include:servers.mcsv.net include:_spf.google.com a mx ip4:169.46.122.0/24 ip4:174.36.49.240 ip4:174.36.49.242 include:support.zendesk.com ip4:162.247.117.0/24 ~all

DKIM

pass
Cryptographic signature on outbound mail (selector: default).
v=DKIM1; g=*; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDV37ViPSDKA47nSZwc+gVo/XaLKiZeiwNSJMzyLtOie7VKjFxT/jMM7WTX2Mq//NV5ezSVWxSJh7fvdBKQJB7MWL1XK2YtCYu19fb5hS1vrd9/oyihSc0PHBplnJmeXoc4+S9nAFoKS6IUt5VF/R+IJC03xTtBnXpdtUDvCcpnaQIDAQAB

DMARC

none
Tells receivers what to do with mail that fails SPF/DKIM.
No record published.

Mail Servers (MX)

1 aspmx.l.google.com
5 alt2.aspmx.l.google.com
5 alt1.aspmx.l.google.com
10 aspmx3.googlemail.com
10 aspmx2.googlemail.com