--- version: rssac002v3 service: a.root-servers.net start-period: '2019-09-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6614458110 dns-udp-queries-received-ipv6: 1216802272 dns-tcp-queries-received-ipv4: 195093508 dns-tcp-queries-received-ipv6: 35758707 dns-udp-responses-sent-ipv4: 6432761296 dns-udp-responses-sent-ipv6: 1216595725 dns-tcp-responses-sent-ipv4: 190824967 dns-tcp-responses-sent-ipv6: 36777812