--- version: rssac002v3 service: i.root-servers.net start-period: '2017-03-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6480591895 dns-udp-queries-received-ipv6: 848200966 dns-tcp-queries-received-ipv4: 80416964 dns-tcp-queries-received-ipv6: 7587562 dns-udp-responses-sent-ipv4: 6351646009 dns-udp-responses-sent-ipv6: 847908055 dns-tcp-responses-sent-ipv4: 82388393 dns-tcp-responses-sent-ipv6: 7713714