--- version: rssac002v3 service: i.root-servers.net start-period: '2016-07-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4327149795 dns-udp-queries-received-ipv6: 461537499 dns-tcp-queries-received-ipv4: 18275099 dns-tcp-queries-received-ipv6: 1043975 dns-udp-responses-sent-ipv4: 4286926046 dns-udp-responses-sent-ipv6: 461954094 dns-tcp-responses-sent-ipv4: 18637658 dns-tcp-responses-sent-ipv6: 1048918