--- version: rssac002v3 service: a.root-servers.net start-period: '2019-11-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6236476017 dns-udp-queries-received-ipv6: 1398836957 dns-tcp-queries-received-ipv4: 201594748 dns-tcp-queries-received-ipv6: 58415288 dns-udp-responses-sent-ipv4: 6064176650 dns-udp-responses-sent-ipv6: 1397737779 dns-tcp-responses-sent-ipv4: 197561680 dns-tcp-responses-sent-ipv6: 58653007