--- version: rssac002v3 service: a.root-servers.net start-period: '2018-11-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4888804226 dns-udp-queries-received-ipv6: 799156484 dns-tcp-queries-received-ipv4: 152549930 dns-tcp-queries-received-ipv6: 30085295 dns-udp-responses-sent-ipv4: 4761607177 dns-udp-responses-sent-ipv6: 798555568 dns-tcp-responses-sent-ipv4: 149941385 dns-tcp-responses-sent-ipv6: 30245130