--- version: rssac002v3 service: a.root-servers.net start-period: '2018-11-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4691722402 dns-udp-queries-received-ipv6: 732074152 dns-tcp-queries-received-ipv4: 170068005 dns-tcp-queries-received-ipv6: 30254065 dns-udp-responses-sent-ipv4: 4585439426 dns-udp-responses-sent-ipv6: 731498274 dns-tcp-responses-sent-ipv4: 168655592 dns-tcp-responses-sent-ipv6: 30444367