--- version: rssac002v3 service: i.root-servers.net start-period: '2018-04-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5865078256 dns-udp-queries-received-ipv6: 737908275 dns-tcp-queries-received-ipv4: 111581955 dns-tcp-queries-received-ipv6: 18031432 dns-udp-responses-sent-ipv4: 5900233643 dns-udp-responses-sent-ipv6: 737895705 dns-tcp-responses-sent-ipv4: 109636839 dns-tcp-responses-sent-ipv6: 18031663