--- version: rssac002v3 service: i.root-servers.net start-period: '2017-06-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4726314272 dns-udp-queries-received-ipv6: 643430671 dns-tcp-queries-received-ipv4: 52813264 dns-tcp-queries-received-ipv6: 8060242 dns-udp-responses-sent-ipv4: 4706189956 dns-udp-responses-sent-ipv6: 643015529 dns-tcp-responses-sent-ipv4: 52956880 dns-tcp-responses-sent-ipv6: 8236145