--- version: rssac002v3 service: i.root-servers.net start-period: '2019-06-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 582373028 dns-udp-queries-received-ipv6: 181270084 dns-tcp-queries-received-ipv4: 6892046 dns-tcp-queries-received-ipv6: 1043586 dns-udp-responses-sent-ipv4: 587197935 dns-udp-responses-sent-ipv6: 180818256 dns-tcp-responses-sent-ipv4: 6445630 dns-tcp-responses-sent-ipv6: 1080877