Column

ODVR statistics

Resolver instances - Statistics of daily QPS averages for each resolver instance during the last 30 days before November 2, 2026

Server Max QPS Min QPS Trend Average
b-03 3 103 1 579 2 458
r-01 2 936 1 636 2 453
b-01 2 882 1 001 2 415
s-01 2 996 143 1 547
r-02 1 762 323 1 466
s-02 2 314 592 1 442
b-04 1 757 291 1 440
b-02 1 728 96 1 167

Return codes - Statistics of daily QPS averages for queries responded with a given RCODE during the last 30 days before November 2, 2026

RCODE Max QPS Min QPS Trend Average
NoError 14 249 4 756 9 309
NXDomain 4 780 889 2 072
ServFail 706 230 411
Refused 133 26 73
NotImp 95 0 15
BADSIG 0 0 0
BADVERS 0 0 0
YXDomain 0 0 0

Query types - Statistics of daily QPS averages for queries with a given QTYPE during the last 30 days before November 2, 2026

QTYPE Max QPS Min QPS Trend Average
A 10 495 3 094 6 459
AAAA 2 382 974 1 703
Other 2 524 840 1 425
PTR 1 427 553 862
MX 216 31 111

Top domains

Top 1000 domains by client cardinality magnitude on November 1, 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