--- version: rssac002v3 service: a.root-servers.net start-period: '2020-07-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8164086694 dns-udp-queries-received-ipv6: 1614811900 dns-tcp-queries-received-ipv4: 224450545 dns-tcp-queries-received-ipv6: 81328153 dns-udp-responses-sent-ipv4: 7935832563 dns-udp-responses-sent-ipv6: 1613543193 dns-tcp-responses-sent-ipv4: 209176318 dns-tcp-responses-sent-ipv6: 81842998