--- version: rssac002v3 service: a.root-servers.net start-period: '2018-10-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4696227316 dns-udp-queries-received-ipv6: 660618007 dns-tcp-queries-received-ipv4: 157787670 dns-tcp-queries-received-ipv6: 25872675 dns-udp-responses-sent-ipv4: 4593688682 dns-udp-responses-sent-ipv6: 660168551 dns-tcp-responses-sent-ipv4: 153911567 dns-tcp-responses-sent-ipv6: 25994856