--- version: rssac002v3 service: m.root-servers.net start-period: '2017-01-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3015809455 dns-udp-queries-received-ipv6: 441983658 dns-udp-responses-sent-ipv4: 2920632823 dns-udp-responses-sent-ipv6: 375834442 dns-tcp-queries-received-ipv4: 135712159 dns-tcp-queries-received-ipv6: 7632258 dns-tcp-responses-sent-ipv4: 135898873 dns-tcp-responses-sent-ipv6: 7628378