--- version: rssac002v3 service: a.root-servers.net start-period: '2018-08-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3250658377 dns-udp-queries-received-ipv6: 597866742 dns-tcp-queries-received-ipv4: 102196952 dns-tcp-queries-received-ipv6: 19720720 dns-udp-responses-sent-ipv4: 3164420261 dns-udp-responses-sent-ipv6: 597536528 dns-tcp-responses-sent-ipv4: 98383741 dns-tcp-responses-sent-ipv6: 19764924