--- version: rssac002v3 service: a.root-servers.net start-period: '2018-10-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4350238059 dns-udp-queries-received-ipv6: 706064243 dns-tcp-queries-received-ipv4: 122946974 dns-tcp-queries-received-ipv6: 23913403 dns-udp-responses-sent-ipv4: 4235408992 dns-udp-responses-sent-ipv6: 705742070 dns-tcp-responses-sent-ipv4: 119148085 dns-tcp-responses-sent-ipv6: 23957756