--- version: rssac002v3 service: i.root-servers.net start-period: '2019-07-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 95128128 dns-udp-queries-received-ipv6: 21564258 dns-tcp-queries-received-ipv4: 2017423 dns-tcp-queries-received-ipv6: 42721 dns-udp-responses-sent-ipv4: 100372896 dns-udp-responses-sent-ipv6: 21564250 dns-tcp-responses-sent-ipv4: 2049424 dns-tcp-responses-sent-ipv6: 42764