--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6728323365 dns-udp-queries-received-ipv6: 1614492000 dns-tcp-queries-received-ipv4: 229278065 dns-tcp-queries-received-ipv6: 149265387 dns-udp-responses-sent-ipv4: 6547541262 dns-udp-responses-sent-ipv6: 1613297557 dns-tcp-responses-sent-ipv4: 226116579 dns-tcp-responses-sent-ipv6: 149539659