--- version: rssac002v3 service: a.root-servers.net start-period: '2019-11-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6058870558 dns-udp-queries-received-ipv6: 1244634199 dns-tcp-queries-received-ipv4: 218985939 dns-tcp-queries-received-ipv6: 70508238 dns-udp-responses-sent-ipv4: 5911431149 dns-udp-responses-sent-ipv6: 1243899950 dns-tcp-responses-sent-ipv4: 215535218 dns-tcp-responses-sent-ipv6: 70837962