--- version: rssac002v3 service: a.root-servers.net start-period: '2020-03-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8168711034 dns-udp-queries-received-ipv6: 1353480639 dns-tcp-queries-received-ipv4: 301644998 dns-tcp-queries-received-ipv6: 81585359 dns-udp-responses-sent-ipv4: 7921673836 dns-udp-responses-sent-ipv6: 1351936703 dns-tcp-responses-sent-ipv4: 299088621 dns-tcp-responses-sent-ipv6: 82061044