--- version: rssac002v3 service: a.root-servers.net start-period: '2020-12-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8116539031 dns-udp-queries-received-ipv6: 1828777968 dns-tcp-queries-received-ipv4: 367748742 dns-tcp-queries-received-ipv6: 206424301 dns-udp-responses-sent-ipv4: 7894419942 dns-udp-responses-sent-ipv6: 1825424167 dns-tcp-responses-sent-ipv4: 344022661 dns-tcp-responses-sent-ipv6: 239741856