--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3899835648 dns-udp-queries-received-ipv6: 386960080 dns-tcp-queries-received-ipv4: 141845045 dns-tcp-queries-received-ipv6: 9525160 dns-udp-responses-sent-ipv4: 3898284351 dns-udp-responses-sent-ipv6: 386933089 dns-tcp-responses-sent-ipv4: 141866038 dns-tcp-responses-sent-ipv6: 9612630