--- version: rssac002v3 service: a.root-servers.net start-period: '2019-11-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6482776459 dns-udp-queries-received-ipv6: 1337262824 dns-tcp-queries-received-ipv4: 189836412 dns-tcp-queries-received-ipv6: 52228040 dns-udp-responses-sent-ipv4: 6313900202 dns-udp-responses-sent-ipv6: 1336380361 dns-tcp-responses-sent-ipv4: 186128381 dns-tcp-responses-sent-ipv6: 52436036