--- version: rssac002v3 service: i.root-servers.net start-period: '2016-12-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6125925201 dns-udp-queries-received-ipv6: 748685564 dns-tcp-queries-received-ipv4: 64076748 dns-tcp-queries-received-ipv6: 6975678 dns-udp-responses-sent-ipv4: 6223135824 dns-udp-responses-sent-ipv6: 748254055 dns-tcp-responses-sent-ipv4: 65808923 dns-tcp-responses-sent-ipv6: 7063736