--- version: rssac002v3 service: i.root-servers.net start-period: '2018-03-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5756429923 dns-udp-queries-received-ipv6: 718598951 dns-tcp-queries-received-ipv4: 123892493 dns-tcp-queries-received-ipv6: 13929671 dns-udp-responses-sent-ipv4: 5812769381 dns-udp-responses-sent-ipv6: 714037012 dns-tcp-responses-sent-ipv4: 121877418 dns-tcp-responses-sent-ipv6: 13847368