--- version: rssac002v3 service: a.root-servers.net start-period: '2020-04-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8815897346 dns-udp-queries-received-ipv6: 1500935439 dns-tcp-queries-received-ipv4: 298667689 dns-tcp-queries-received-ipv6: 117131757 dns-udp-responses-sent-ipv4: 8564560973 dns-udp-responses-sent-ipv6: 1491395709 dns-tcp-responses-sent-ipv4: 295139907 dns-tcp-responses-sent-ipv6: 117261735