--- version: rssac002v3 service: m.root-servers.net start-period: '2018-10-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3586532408 dns-udp-queries-received-ipv6: 505764501 dns-udp-responses-sent-ipv4: 3478557900 dns-udp-responses-sent-ipv6: 501625735 dns-tcp-queries-received-ipv4: 149987863 dns-tcp-queries-received-ipv6: 24209953 dns-tcp-responses-sent-ipv4: 149896265 dns-tcp-responses-sent-ipv6: 24371046