Email Authentication
geonames.org
SPF
passDeclares which servers may send mail for this domain.
v=spf1 a mx ip4:176.9.39.79 ip4:188.40.33.19 ip4:5.9.152.54 ip4:188.40.62.8 -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 mail.geonames.org
20 mail2.geonames.org