--- version: rssac002v3 service: a.root-servers.net start-period: '2018-11-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4397555877 dns-udp-queries-received-ipv6: 711948166 dns-tcp-queries-received-ipv4: 141484591 dns-tcp-queries-received-ipv6: 35415392 dns-udp-responses-sent-ipv4: 4291158397 dns-udp-responses-sent-ipv6: 711361634 dns-tcp-responses-sent-ipv4: 138062939 dns-tcp-responses-sent-ipv6: 35619092