--- version: rssac002v3 service: i.root-servers.net start-period: '2017-09-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6170762870 dns-udp-queries-received-ipv6: 633616157 dns-tcp-queries-received-ipv4: 102166337 dns-tcp-queries-received-ipv6: 10830552 dns-udp-responses-sent-ipv4: 6185697260 dns-udp-responses-sent-ipv6: 630862347 dns-tcp-responses-sent-ipv4: 102709374 dns-tcp-responses-sent-ipv6: 10993088