--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6723037280 dns-udp-queries-received-ipv6: 1358580965 dns-tcp-queries-received-ipv4: 219705887 dns-tcp-queries-received-ipv6: 40807663 dns-udp-responses-sent-ipv4: 6542075119 dns-udp-responses-sent-ipv6: 1357962214 dns-tcp-responses-sent-ipv4: 213971588 dns-tcp-responses-sent-ipv6: 42224410