--- version: rssac002v3 service: i.root-servers.net start-period: '2019-02-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6280882546 dns-udp-queries-received-ipv6: 1358794002 dns-tcp-queries-received-ipv4: 137741205 dns-tcp-queries-received-ipv6: 32862310 dns-udp-responses-sent-ipv4: 6195564917 dns-udp-responses-sent-ipv6: 1351125752 dns-tcp-responses-sent-ipv4: 130924192 dns-tcp-responses-sent-ipv6: 29872859