--- version: rssac002v3 service: a.root-servers.net start-period: '2020-11-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7214656232 dns-udp-queries-received-ipv6: 1364803635 dns-tcp-queries-received-ipv4: 353063122 dns-tcp-queries-received-ipv6: 97280273 dns-udp-responses-sent-ipv4: 7019996598 dns-udp-responses-sent-ipv6: 1363203737 dns-tcp-responses-sent-ipv4: 321444603 dns-tcp-responses-sent-ipv6: 97945171