go
c.dns.gandi.net, b.dns.gandi.net, a.dns.gandi.net and neta.dns.gandi.net are subdomains to this hostname. gandi.net is a domain controlled by four nameservers at gandi.net themselves. All of them are on the same IP network. Incoming mail for gandi.net is handled by two mailservers also at gandi.net. They are on the same IP network. gandi.net has one IP number.

gandi.net
a records
 
+ 217.70.184.1 217.70.176.0/20 AS29169  
+ ---  
ns-soa records
dns0.gandi.net
+ 217.70.177.39 217.70.176.0/20 AS29169 -
+ --- -
ns records
dns3.gandi.net
+ 217.70.179.36 217.70.176.0/20 AS29169 -
+ --- -
dns0.gandi.net
+ 217.70.177.39 217.70.176.0/20 AS29169 -
dns1.gandi.net
+ 217.70.177.45 217.70.176.0/20 AS29169 -
dns2.gandi.net
+ 217.70.177.46 217.70.176.0/20 AS29169 -
mx records
mail3.gandi.net
+ 217.70.179.37 217.70.176.0/20 AS29169 -
+ --- -
mail4.gandi.net
+ 217.70.183.210 217.70.176.0/20 AS29169 -
subdomains
a.dns.gandi.net
b.dns.gandi.net
c.dns.gandi.net
neta.dns.gandi.net