--- version: rssac002v3 service: a.root-servers.net start-period: '2018-11-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4085141962 dns-udp-queries-received-ipv6: 657748691 dns-tcp-queries-received-ipv4: 131667185 dns-tcp-queries-received-ipv6: 29435260 dns-udp-responses-sent-ipv4: 3979448358 dns-udp-responses-sent-ipv6: 657205568 dns-tcp-responses-sent-ipv4: 128880742 dns-tcp-responses-sent-ipv6: 29593910