--- version: rssac002v3 service: a.root-servers.net start-period: '2020-07-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8131852993 dns-udp-queries-received-ipv6: 1673414093 dns-tcp-queries-received-ipv4: 213563295 dns-tcp-queries-received-ipv6: 78912281 dns-udp-responses-sent-ipv4: 7906958019 dns-udp-responses-sent-ipv6: 1671150887 dns-tcp-responses-sent-ipv4: 201438034 dns-tcp-responses-sent-ipv6: 79326077