--- version: rssac002v3 service: a.root-servers.net start-period: '2018-10-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3867254009 dns-udp-queries-received-ipv6: 581971833 dns-tcp-queries-received-ipv4: 105056428 dns-tcp-queries-received-ipv6: 25954788 dns-udp-responses-sent-ipv4: 3772519183 dns-udp-responses-sent-ipv6: 581682253 dns-tcp-responses-sent-ipv4: 102304538 dns-tcp-responses-sent-ipv6: 26111028