--- version: rssac002v3 service: a.root-servers.net start-period: '2019-11-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5995500139 dns-udp-queries-received-ipv6: 1115247830 dns-tcp-queries-received-ipv4: 218960796 dns-tcp-queries-received-ipv6: 71263000 dns-udp-responses-sent-ipv4: 5831297449 dns-udp-responses-sent-ipv6: 1113682599 dns-tcp-responses-sent-ipv4: 215778429 dns-tcp-responses-sent-ipv6: 71396460