--- version: rssac002v3 service: a.root-servers.net start-period: '2017-05-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4030053319 dns-udp-queries-received-ipv6: 377295043 dns-tcp-queries-received-ipv4: 170970835 dns-tcp-queries-received-ipv6: 8404700 dns-udp-responses-sent-ipv4: 4028659498 dns-udp-responses-sent-ipv6: 377230201 dns-tcp-responses-sent-ipv4: 171134671 dns-tcp-responses-sent-ipv6: 8509987