Similar to 鳥類キャリアによるIP
COLORS (SNS)
.coop
.coop
.cr
.cr
Craigslist
Craigslist
.cu
.cu
Cuban-play
Cuil
Cuil
.cw
.cw
.cx
.cx
.cy
.cy
CyberGhost VPN
.cz
.czDAViCal
DAViCal
.de
.de
DeleGate
Disqus
DisqusDNSゾーン転送
DNS zone transfer
.do
.do
.dz
.dz
.ec
.ecEmpas
EmpasEmployee Generated Media
Enterprise 2.0
Enterprise 2.0
.er
.er
.es
.esEspial Elevate Cloud
.et
.et
Eventbrite
Eventbrite