--- version: rssac002v3 service: i.root-servers.net start-period: '2018-07-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5271086455 dns-udp-queries-received-ipv6: 948850803 dns-tcp-queries-received-ipv4: 127346216 dns-tcp-queries-received-ipv6: 19712628 dns-udp-responses-sent-ipv4: 5237075589 dns-udp-responses-sent-ipv6: 946792745 dns-tcp-responses-sent-ipv4: 124728281 dns-tcp-responses-sent-ipv6: 19488278