--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3587971262 dns-udp-queries-received-ipv6: 379279744 dns-tcp-queries-received-ipv4: 141915267 dns-tcp-queries-received-ipv6: 10126452 dns-udp-responses-sent-ipv4: 3585406399 dns-udp-responses-sent-ipv6: 379217083 dns-tcp-responses-sent-ipv4: 141599119 dns-tcp-responses-sent-ipv6: 10202710