--- version: rssac002v3 service: a.root-servers.net start-period: '2018-05-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4040662951 dns-udp-queries-received-ipv6: 339528007 dns-tcp-queries-received-ipv4: 123578622 dns-tcp-queries-received-ipv6: 14762211 dns-udp-responses-sent-ipv4: 3970011004 dns-udp-responses-sent-ipv6: 339110709 dns-tcp-responses-sent-ipv4: 124396025 dns-tcp-responses-sent-ipv6: 14820553