--- version: rssac002v3 service: a.root-servers.net start-period: '2018-01-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3753954720 dns-udp-queries-received-ipv6: 422642666 dns-tcp-queries-received-ipv4: 103583847 dns-tcp-queries-received-ipv6: 14958357 dns-udp-responses-sent-ipv4: 3749620467 dns-udp-responses-sent-ipv6: 422607635 dns-tcp-responses-sent-ipv4: 103639740 dns-tcp-responses-sent-ipv6: 15065625