DNS response history for a.root-servers.nv.com

a.root-servers.nv.com is a DNS nameserver monitored by NameServerHistory. This page provides historical DNS response-time data, nameserver uptime signals, DNS latency observations, resolved IP history, successful response counts, failed response counts, and reliability indicators for this nameserver.

The selected UTC date is 2026-08-19. For this date, NameServerHistory found 74 DNS check records, 74 successful responses, 0 failed responses, and 466 ms average response time. Current selected-date status: At least one successful DNS response was recorded for the selected date.

  • Use this report to investigate historical DNS uptime and nameserver reliability.
  • Compare DNS latency changes, failed DNS checks, and response behavior over time.
  • Review the latest resolved IP address and raw DNS check history for a.root-servers.nv.com.
Records on Selected Date

74

Historical checks stored for this nameserver on selected date

Average Latency

466 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-19 23:49

All timestamps shown in UTC

Latest Resolved IP on Selected Date

159.89.89.242

Most recently resolved hosting IP on selected date

Successful Responses

74

Checks that returned a measurable response

Failed Responses

0

Checks with no response or no returned latency

Failure Rate

0%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for a.root-servers.nv.com

Showing DNS history for 2026-08-19 UTC. Newest records appear first.

Latency bars are scaled to a maximum of 5000 ms for quick visual comparison.

# Query Time (UTC) Correlation ID Latency Response IP Address
74 2026-08-19 23:49 639227795899225951
512 ms 159.89.89.242
73 2026-08-19 23:33 639227786351762008
3 ms 159.89.89.242
72 2026-08-19 23:17 639227776640591733
770 ms 159.89.89.242
71 2026-08-19 23:01 639227767128841282
5 ms 159.89.89.242
70 2026-08-19 22:45 639227757477304711
339 ms 159.89.89.242
69 2026-08-19 22:29 639227747572098014
515 ms 159.89.89.242
68 2026-08-19 22:12 639227737588613113
350 ms 159.89.89.242
67 2026-08-19 21:20 639227706134603955
3 ms 159.89.89.242
66 2026-08-19 21:04 639227696589027396
2 ms 159.89.89.242
65 2026-08-19 20:48 639227687097707639
231 ms 159.89.89.242
64 2026-08-19 20:32 639227677474464487
566 ms 159.89.89.242
63 2026-08-19 20:16 639227667767441118
411 ms 159.89.89.242
62 2026-08-19 19:59 639227657984833832
2344 ms 159.89.89.242
61 2026-08-19 19:43 639227648079992640
228 ms 159.89.89.242
60 2026-08-19 19:26 639227638125048441
235 ms 159.89.89.242
59 2026-08-19 19:10 639227628211392142
2187 ms 159.89.89.242
58 2026-08-19 18:53 639227618261696275
93 ms 159.89.89.242
57 2026-08-19 18:37 639227608366233645
345 ms 159.89.89.242
56 2026-08-19 18:20 639227598301787588
238 ms 159.89.89.242
55 2026-08-19 17:27 639227566241010716
337 ms 159.89.89.242
54 2026-08-19 17:10 639227556454538959
240 ms 159.89.89.242
53 2026-08-19 16:54 639227546640305542
503 ms 159.89.89.242
52 2026-08-19 16:38 639227536965466472
187 ms 159.89.89.242
51 2026-08-19 16:21 639227527048658280
347 ms 159.89.89.242
50 2026-08-19 16:05 639227517386634438
236 ms 159.89.89.242
49 2026-08-19 15:49 639227507459551637
504 ms 159.89.89.242
48 2026-08-19 15:32 639227497515595277
346 ms 159.89.89.242
47 2026-08-19 15:15 639227487441798036
436 ms 159.89.89.242
46 2026-08-19 14:59 639227477445551863
346 ms 159.89.89.242
45 2026-08-19 14:42 639227467297067891
342 ms 159.89.89.242
44 2026-08-19 14:25 639227457057795635
344 ms 159.89.89.242
43 2026-08-19 13:31 639227425244777397
457 ms 159.89.89.242
42 2026-08-19 13:15 639227415422116485
340 ms 159.89.89.242
41 2026-08-19 12:58 639227405307256053
239 ms 159.89.89.242
40 2026-08-19 12:42 639227395396602630
4 ms 159.89.89.242
39 2026-08-19 12:25 639227385510363611
2346 ms 159.89.89.242
38 2026-08-19 12:09 639227375508324850
4 ms 159.89.89.242
37 2026-08-19 11:52 639227365326611906
340 ms 159.89.89.242
36 2026-08-19 11:35 639227355360014208
244 ms 159.89.89.242
35 2026-08-19 11:18 639227345036782165
628 ms 159.89.89.242
34 2026-08-19 11:01 639227334992964533
349 ms 159.89.89.242
33 2026-08-19 10:44 639227324986605572
238 ms 159.89.89.242
32 2026-08-19 10:28 639227314928414539
505 ms 159.89.89.242
31 2026-08-19 09:34 639227283029182134
232 ms 159.89.89.242
30 2026-08-19 09:18 639227273294779350
230 ms 159.89.89.242
29 2026-08-19 09:02 639227263525231313
342 ms 159.89.89.242
28 2026-08-19 08:45 639227253578313363
2013 ms 159.89.89.242
27 2026-08-19 08:29 639227243649973322
389 ms 159.89.89.242
26 2026-08-19 08:12 639227233581059317
5 ms 159.89.89.242
25 2026-08-19 07:55 639227223667352067
348 ms 159.89.89.242
24 2026-08-19 07:39 639227213714837066
338 ms 159.89.89.242
23 2026-08-19 07:22 639227203701208496
230 ms 159.89.89.242
22 2026-08-19 07:06 639227193643202179
2538 ms 159.89.89.242
21 2026-08-19 06:49 639227183584431597
230 ms 159.89.89.242
20 2026-08-19 06:32 639227173347403088
2032 ms 159.89.89.242
19 2026-08-19 05:39 639227141523007601
667 ms 159.89.89.242
18 2026-08-19 05:22 639227131785931574
339 ms 159.89.89.242
17 2026-08-19 05:06 639227122176475389
344 ms 159.89.89.242
16 2026-08-19 04:50 639227112668934596
363 ms 159.89.89.242
15 2026-08-19 04:34 639227102773292788
230 ms 159.89.89.242
14 2026-08-19 04:18 639227093141136930
335 ms 159.89.89.242
13 2026-08-19 04:02 639227083449420147
401 ms 159.89.89.242
12 2026-08-19 03:46 639227073771748493
229 ms 159.89.89.242
11 2026-08-19 03:29 639227063977347614
231 ms 159.89.89.242
10 2026-08-19 03:13 639227054253519024
513 ms 159.89.89.242
9 2026-08-19 02:57 639227044381963886
520 ms 159.89.89.242
8 2026-08-19 02:40 639227034441085514
337 ms 159.89.89.242
7 2026-08-19 01:48 639227003126489968
227 ms 159.89.89.242
6 2026-08-19 01:32 639226993456311614
282 ms 159.89.89.242
5 2026-08-19 01:16 639226983847312345
5 ms 159.89.89.242
4 2026-08-19 01:00 639226974357874853
3 ms 159.89.89.242
3 2026-08-19 00:44 639226964670484721
660 ms 159.89.89.242
2 2026-08-19 00:28 639226954857899696
359 ms 159.89.89.242
1 2026-08-19 00:11 639226945091603488
244 ms 159.89.89.242