--- version: rssac002v3 service: i.root-servers.net start-period: '2018-02-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5656046238 dns-udp-queries-received-ipv6: 749214165 dns-tcp-queries-received-ipv4: 117594741 dns-tcp-queries-received-ipv6: 14335014 dns-udp-responses-sent-ipv4: 5701363661 dns-udp-responses-sent-ipv6: 745963310 dns-tcp-responses-sent-ipv4: 117874461 dns-tcp-responses-sent-ipv6: 14329592