--- version: rssac002v3 service: a.root-servers.net start-period: '2020-11-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8878797461 dns-udp-queries-received-ipv6: 1644444181 dns-tcp-queries-received-ipv4: 324961142 dns-tcp-queries-received-ipv6: 99668058 dns-udp-responses-sent-ipv4: 8637435027 dns-udp-responses-sent-ipv6: 1642257949 dns-tcp-responses-sent-ipv4: 314312976 dns-tcp-responses-sent-ipv6: 100191214