--- version: rssac002v3 service: a.root-servers.net start-period: '2019-08-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8233297216 dns-udp-queries-received-ipv6: 1855987025 dns-tcp-queries-received-ipv4: 197902058 dns-tcp-queries-received-ipv6: 39759936 dns-udp-responses-sent-ipv4: 8041134654 dns-udp-responses-sent-ipv6: 1849578407 dns-tcp-responses-sent-ipv4: 192734765 dns-tcp-responses-sent-ipv6: 39649684