--- version: rssac002v3 service: i.root-servers.net start-period: '2019-05-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5679190922 dns-udp-queries-received-ipv6: 1137292260 dns-tcp-queries-received-ipv4: 102973088 dns-tcp-queries-received-ipv6: 18899395 dns-udp-responses-sent-ipv4: 5689760937 dns-udp-responses-sent-ipv6: 1164649517 dns-tcp-responses-sent-ipv4: 100296229 dns-tcp-responses-sent-ipv6: 18658815