--- version: rssac002v3 service: i.root-servers.net start-period: '2018-04-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5419283020 dns-udp-queries-received-ipv6: 679172515 dns-tcp-queries-received-ipv4: 122672697 dns-tcp-queries-received-ipv6: 15014669 dns-udp-responses-sent-ipv4: 5377750116 dns-udp-responses-sent-ipv6: 674485849 dns-tcp-responses-sent-ipv4: 120653722 dns-tcp-responses-sent-ipv6: 15124675