--- version: rssac002v3 service: i.root-servers.net start-period: '2018-06-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5094852530 dns-udp-queries-received-ipv6: 907407028 dns-tcp-queries-received-ipv4: 130071301 dns-tcp-queries-received-ipv6: 17340101 dns-udp-responses-sent-ipv4: 5101900944 dns-udp-responses-sent-ipv6: 912805832 dns-tcp-responses-sent-ipv4: 126964540 dns-tcp-responses-sent-ipv6: 17387148