--- version: rssac002v3 service: a.root-servers.net start-period: '2018-11-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4569479416 dns-udp-queries-received-ipv6: 625993376 dns-tcp-queries-received-ipv4: 161729327 dns-tcp-queries-received-ipv6: 28811988 dns-udp-responses-sent-ipv4: 4459826374 dns-udp-responses-sent-ipv6: 625172607 dns-tcp-responses-sent-ipv4: 159552596 dns-tcp-responses-sent-ipv6: 28914259