--- version: rssac002v3 service: a.root-servers.net start-period: '2018-10-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4717897331 dns-udp-queries-received-ipv6: 736465041 dns-tcp-queries-received-ipv4: 129059780 dns-tcp-queries-received-ipv6: 25393696 dns-udp-responses-sent-ipv4: 4611597834 dns-udp-responses-sent-ipv6: 735874789 dns-tcp-responses-sent-ipv4: 126198686 dns-tcp-responses-sent-ipv6: 25551182