--- version: rssac002v3 service: m.root-servers.net start-period: '2020-01-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3901509251 dns-udp-queries-received-ipv6: 611891604 dns-udp-responses-sent-ipv4: 3644112173 dns-udp-responses-sent-ipv6: 575131289 dns-tcp-queries-received-ipv4: 213976671 dns-tcp-queries-received-ipv6: 75087440 dns-tcp-responses-sent-ipv4: 213852212 dns-tcp-responses-sent-ipv6: 75158340