--- version: rssac002v3 service: i.root-servers.net start-period: '2016-07-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4560424317 dns-udp-queries-received-ipv6: 449961018 dns-tcp-queries-received-ipv4: 18937127 dns-tcp-queries-received-ipv6: 1025228 dns-udp-responses-sent-ipv4: 4525865152 dns-udp-responses-sent-ipv6: 450396740 dns-tcp-responses-sent-ipv4: 19473232 dns-tcp-responses-sent-ipv6: 1029429