--- version: rssac002v3 service: a.root-servers.net start-period: '2018-10-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4987586084 dns-udp-queries-received-ipv6: 727893085 dns-tcp-queries-received-ipv4: 136296845 dns-tcp-queries-received-ipv6: 26808362 dns-udp-responses-sent-ipv4: 4875801937 dns-udp-responses-sent-ipv6: 727440242 dns-tcp-responses-sent-ipv4: 133522505 dns-tcp-responses-sent-ipv6: 26941746