gg has no MX records.
Question and response
Question
dig gg. MX
Answer
The response has no answer records.
Authority
gg. 86400 SOA c.ci-servers.org. dnsmaster.channelisles.net. 2026024647 21600 3600 2592000 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0