--- version: rssac002v3 service: i.root-servers.net start-period: '2018-04-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5850027910 dns-udp-queries-received-ipv6: 733168190 dns-tcp-queries-received-ipv4: 134693890 dns-tcp-queries-received-ipv6: 18391462 dns-udp-responses-sent-ipv4: 5883482340 dns-udp-responses-sent-ipv6: 733221378 dns-tcp-responses-sent-ipv4: 132536854 dns-tcp-responses-sent-ipv6: 18395514