--- version: rssac002v3 service: i.root-servers.net start-period: '2018-11-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5454253078 dns-udp-queries-received-ipv6: 1177995505 dns-tcp-queries-received-ipv4: 130415785 dns-tcp-queries-received-ipv6: 30263078 dns-udp-responses-sent-ipv4: 5383941614 dns-udp-responses-sent-ipv6: 1183637997 dns-tcp-responses-sent-ipv4: 128736792 dns-tcp-responses-sent-ipv6: 29439728