Column

ODVR statistics

Resolver instances - Statistics of daily QPS averages for each resolver instance during the last 30 days before March 3, 2026

Server Max QPS Min QPS Trend Average
b-01 2 967 1 756 2 308
r-01 2 997 1 745 2 301
s-01 2 670 0 2 153
b-03 2 959 893 2 138
s-02 1 654 1 069 1 407
r-02 1 561 387 1 299
b-02 1 640 259 1 288
b-04 1 611 464 1 279

Return codes - Statistics of daily QPS averages for queries responded with a given RCODE during the last 30 days before March 3, 2026

RCODE Max QPS Min QPS Trend Average
NoError 13 729 6 062 11 235
NXDomain 2 551 1 036 1 814
ServFail 769 374 558
NotImp 127 13 61
Refused 75 27 49
YXDomain 0 0 0

Query types - Statistics of daily QPS averages for queries with a given QTYPE during the last 30 days before March 3, 2026

QTYPE Max QPS Min QPS Trend Average
A 9 561 4 129 7 562
AAAA 2 268 1 161 1 854
PTR 902 495 778
Other 1 002 456 742
NS 731 282 521
MX 808 26 288
ANY 359 85 237

Top domains

Top 1000 domains by client cardinality magnitude on March 2, 2026

DNS magnitude is a number in the range 0–10 expressing “popularity” of a domain based on client cardinality (number of unique client IP addresses). For details see Mayrhofer et al. (2000).

Column

Transport protocols

Daily QPS averages for transport protocols

IP versions

Daily QPS averages for IPv4 and IPv6