--- service: a.root-servers.net start-period: '2016-10-02T00:00:00Z' end-period: '2016-10-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4627696597 dns-udp-queries-received-ipv6: 409170178 dns-tcp-queries-received-ipv4: 156519582 dns-tcp-queries-received-ipv6: 6616402 dns-udp-responses-sent-ipv4: 4585400184 dns-udp-responses-sent-ipv6: 408967331 dns-tcp-responses-sent-ipv4: 157622667 dns-tcp-responses-sent-ipv6: 6661359