--- version: rssac002v3 service: a.root-servers.net start-period: '2018-11-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4510311179 dns-udp-queries-received-ipv6: 612179424 dns-tcp-queries-received-ipv4: 131905441 dns-tcp-queries-received-ipv6: 29968980 dns-udp-responses-sent-ipv4: 4388472687 dns-udp-responses-sent-ipv6: 611504525 dns-tcp-responses-sent-ipv4: 129120964 dns-tcp-responses-sent-ipv6: 30112312