--- version: rssac002v3 service: a.root-servers.net start-period: '2020-07-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8102701412 dns-udp-queries-received-ipv6: 1629281988 dns-tcp-queries-received-ipv4: 273099009 dns-tcp-queries-received-ipv6: 76850371 dns-udp-responses-sent-ipv4: 7872099906 dns-udp-responses-sent-ipv6: 1627165043 dns-tcp-responses-sent-ipv4: 253056078 dns-tcp-responses-sent-ipv6: 77301991