--- version: rssac002v3 service: i.root-servers.net start-period: '2018-07-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5705621498 dns-udp-queries-received-ipv6: 977937324 dns-tcp-queries-received-ipv4: 141224009 dns-tcp-queries-received-ipv6: 21048433 dns-udp-responses-sent-ipv4: 5672751858 dns-udp-responses-sent-ipv6: 976345874 dns-tcp-responses-sent-ipv4: 138355847 dns-tcp-responses-sent-ipv6: 20847361