--- version: rssac002v3 service: a.root-servers.net start-period: '2019-11-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6321422310 dns-udp-queries-received-ipv6: 1182085538 dns-tcp-queries-received-ipv4: 218410072 dns-tcp-queries-received-ipv6: 98122123 dns-udp-responses-sent-ipv4: 6148702982 dns-udp-responses-sent-ipv6: 1179342563 dns-tcp-responses-sent-ipv4: 214861076 dns-tcp-responses-sent-ipv6: 98511514