--- version: rssac002v3 service: i.root-servers.net start-period: '2018-08-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5018449960 dns-udp-queries-received-ipv6: 942652331 dns-tcp-queries-received-ipv4: 126873131 dns-tcp-queries-received-ipv6: 25022447 dns-udp-responses-sent-ipv4: 4983270137 dns-udp-responses-sent-ipv6: 941196855 dns-tcp-responses-sent-ipv4: 123918369 dns-tcp-responses-sent-ipv6: 24620719