--- version: rssac002v3 service: a.root-servers.net start-period: '2019-08-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6394284271 dns-udp-queries-received-ipv6: 1361336205 dns-tcp-queries-received-ipv4: 177883192 dns-tcp-queries-received-ipv6: 33012588 dns-udp-responses-sent-ipv4: 6240501400 dns-udp-responses-sent-ipv6: 1360144801 dns-tcp-responses-sent-ipv4: 172887317 dns-tcp-responses-sent-ipv6: 33466846