--- version: rssac002v3 service: a.root-servers.net start-period: '2020-05-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8205993899 dns-udp-queries-received-ipv6: 1604382578 dns-tcp-queries-received-ipv4: 276473727 dns-tcp-queries-received-ipv6: 104218233 dns-udp-responses-sent-ipv4: 8014331973 dns-udp-responses-sent-ipv6: 1598201501 dns-tcp-responses-sent-ipv4: 264396002 dns-tcp-responses-sent-ipv6: 103380232