--- version: rssac002v3 service: a.root-servers.net start-period: '2020-06-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7551011652 dns-udp-queries-received-ipv6: 1498422027 dns-tcp-queries-received-ipv4: 274125830 dns-tcp-queries-received-ipv6: 82292347 dns-udp-responses-sent-ipv4: 7335370796 dns-udp-responses-sent-ipv6: 1496694000 dns-tcp-responses-sent-ipv4: 254833218 dns-tcp-responses-sent-ipv6: 82736356