--- version: rssac002v3 service: a.root-servers.net start-period: '2018-11-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4740619730 dns-udp-queries-received-ipv6: 741403592 dns-tcp-queries-received-ipv4: 114329800 dns-tcp-queries-received-ipv6: 32303626 dns-udp-responses-sent-ipv4: 4619350759 dns-udp-responses-sent-ipv6: 740795063 dns-tcp-responses-sent-ipv4: 110355020 dns-tcp-responses-sent-ipv6: 32501500