Root zone
These servers manage the DNS root zone
all servers delegate to
net.
These servers manage the net zone
all servers delegate to
mailgun.net.
These servers manage the mailgun.net zone
all servers delegate to
use4.send.mailgun.net.
These servers manage the use4.send.mailgun.net zone
all servers delegate to
a0ece303.use4.send.mailgun.net.
These servers manage the a0ece303.use4.send.mailgun.net zone