---
service: a.root-servers.net
start-period: '2017-02-19T00:00:00Z'
end-period: '2017-02-19T23:59:59Z'
metric: traffic-volume
dns-udp-queries-received-ipv4: 4262830810
dns-udp-queries-received-ipv6: 452282809
dns-tcp-queries-received-ipv4: 178640351
dns-tcp-queries-received-ipv6: 8172053
dns-udp-responses-sent-ipv4: 4260534763
dns-udp-responses-sent-ipv6: 452217861
dns-tcp-responses-sent-ipv4: 179333290
dns-tcp-responses-sent-ipv6: 8228545