--- version: rssac002v3 service: a.root-servers.net start-period: '2018-10-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4822498832 dns-udp-queries-received-ipv6: 733026739 dns-tcp-queries-received-ipv4: 144283938 dns-tcp-queries-received-ipv6: 26350656 dns-udp-responses-sent-ipv4: 4714459717 dns-udp-responses-sent-ipv6: 732475564 dns-tcp-responses-sent-ipv4: 140302935 dns-tcp-responses-sent-ipv6: 26416851