--- version: rssac002v3 service: i.root-servers.net start-period: '2016-12-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5894911503 dns-udp-queries-received-ipv6: 739574785 dns-tcp-queries-received-ipv4: 61996430 dns-tcp-queries-received-ipv6: 6874723 dns-udp-responses-sent-ipv4: 5983639169 dns-udp-responses-sent-ipv6: 738892976 dns-tcp-responses-sent-ipv4: 64204891 dns-tcp-responses-sent-ipv6: 6799623