--- version: rssac002v3 service: d.root-servers.net start-period: '2019-03-31T00:00:00Z' end-period: '2019-03-31T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7072313899 dns-udp-queries-received-ipv6: 1679271850 dns-tcp-queries-received-ipv4: 327695192 dns-tcp-queries-received-ipv6: 31081454 dns-udp-responses-sent-ipv4: 7072336099 dns-udp-responses-sent-ipv6: 1679171951 dns-tcp-responses-sent-ipv4: 327350338 dns-tcp-responses-sent-ipv6: 31044376