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 2026-08-10. For this date, NameServerHistory found 81 DNS check records, 81 successful responses, 0 failed responses, and 284 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

81

Historical checks stored for this nameserver on selected date

Average Latency

284 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-10 23:46

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

81

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 2026-08-10 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
81 2026-08-10 23:46 639220018272941900
2 ms 159.89.89.242
80 2026-08-10 23:31 639220009109892969
19 ms 159.89.89.242
79 2026-08-10 23:15 639220000040489788
122 ms 159.89.89.242
78 2026-08-10 23:00 639219991197135747
373 ms 159.89.89.242
77 2026-08-10 22:45 639219982104540014
229 ms 159.89.89.242
76 2026-08-10 22:31 639219973150300215
198 ms 159.89.89.242
75 2026-08-10 22:15 639219964188486697
222 ms 159.89.89.242
74 2026-08-10 22:00 639219954995921784
243 ms 159.89.89.242
73 2026-08-10 21:45 639219945559908104
445 ms 159.89.89.242
72 2026-08-10 20:53 639219914137782273
241 ms 159.89.89.242
71 2026-08-10 20:37 639219904858355064
545 ms 159.89.89.242
70 2026-08-10 20:22 639219895655263396
492 ms 159.89.89.242
69 2026-08-10 20:06 639219886527091074
337 ms 159.89.89.242
68 2026-08-10 19:51 639219877343266628
115 ms 159.89.89.242
67 2026-08-10 19:36 639219868177358195
118 ms 159.89.89.242
66 2026-08-10 19:21 639219859159581515
117 ms 159.89.89.242
65 2026-08-10 19:06 639219850124020182
240 ms 159.89.89.242
64 2026-08-10 18:50 639219840940124840
123 ms 159.89.89.242
63 2026-08-10 18:35 639219831829876486
135 ms 159.89.89.242
62 2026-08-10 18:20 639219822587759143
229 ms 159.89.89.242
61 2026-08-10 18:04 639219813247114428
339 ms 159.89.89.242
60 2026-08-10 17:11 639219781959606396
125 ms 159.89.89.242
59 2026-08-10 16:56 639219772658305431
265 ms 159.89.89.242
58 2026-08-10 16:41 639219763454523027
2256 ms 159.89.89.242
57 2026-08-10 16:25 639219754279127815
673 ms 159.89.89.242
56 2026-08-10 16:10 639219745087467767
236 ms 159.89.89.242
55 2026-08-10 15:55 639219735900678107
133 ms 159.89.89.242
54 2026-08-10 15:39 639219726531461979
275 ms 159.89.89.242
53 2026-08-10 15:24 639219717415222156
120 ms 159.89.89.242
52 2026-08-10 15:09 639219708266470863
238 ms 159.89.89.242
51 2026-08-10 14:53 639219699049479559
383 ms 159.89.89.242
50 2026-08-10 14:38 639219689775815194
197 ms 159.89.89.242
49 2026-08-10 14:22 639219680511810632
2048 ms 159.89.89.242
48 2026-08-10 13:30 639219648997191257
111 ms 159.89.89.242
47 2026-08-10 13:15 639219639938909436
134 ms 159.89.89.242
46 2026-08-10 13:00 639219630718286441
230 ms 159.89.89.242
45 2026-08-10 12:44 639219621472350410
113 ms 159.89.89.242
44 2026-08-10 12:29 639219612500421992
126 ms 159.89.89.242
43 2026-08-10 12:14 639219603383833445
118 ms 159.89.89.242
42 2026-08-10 11:59 639219594143823358
367 ms 159.89.89.242
41 2026-08-10 11:43 639219585053166024
493 ms 159.89.89.242
40 2026-08-10 11:28 639219575885776644
509 ms 159.89.89.242
39 2026-08-10 11:13 639219566844532361
229 ms 159.89.89.242
38 2026-08-10 10:58 639219557705808294
138 ms 159.89.89.242
37 2026-08-10 10:43 639219548482688649
335 ms 159.89.89.242
36 2026-08-10 09:52 639219517492763539
34 ms 159.89.89.242
35 2026-08-10 09:37 639219508755773605
144 ms 159.89.89.242
34 2026-08-10 09:22 639219499852103863
84 ms 159.89.89.242
33 2026-08-10 09:08 639219490893714387
59 ms 159.89.89.242
32 2026-08-10 08:53 639219482299305521
169 ms 159.89.89.242
31 2026-08-10 08:39 639219473613114853
89 ms 159.89.89.242
30 2026-08-10 08:24 639219465061138643
126 ms 159.89.89.242
29 2026-08-10 08:10 639219456616129015
12 ms 159.89.89.242
28 2026-08-10 07:56 639219447974008557
45 ms 159.89.89.242
27 2026-08-10 07:41 639219439498255213
20 ms 159.89.89.242
26 2026-08-10 07:27 639219430664872256
249 ms 159.89.89.242
25 2026-08-10 07:12 639219421757560037
153 ms 159.89.89.242
24 2026-08-10 06:21 639219390773218684
3 ms 159.89.89.242
23 2026-08-10 06:07 639219382205367722
117 ms 159.89.89.242
22 2026-08-10 05:52 639219373711937615
225 ms 159.89.89.242
21 2026-08-10 05:38 639219365088558404
8 ms 159.89.89.242
20 2026-08-10 05:24 639219356348833255
90 ms 159.89.89.242
19 2026-08-10 05:09 639219347860053478
5 ms 159.89.89.242
18 2026-08-10 04:55 639219339173195121
228 ms 159.89.89.242
17 2026-08-10 04:41 639219330642664669
347 ms 159.89.89.242
16 2026-08-10 04:26 639219322058698995
6 ms 159.89.89.242
15 2026-08-10 04:12 639219313564344199
394 ms 159.89.89.242
14 2026-08-10 03:58 639219304775113236
332 ms 159.89.89.242
13 2026-08-10 03:43 639219295706181119
348 ms 159.89.89.242
12 2026-08-10 02:51 639219264663923254
119 ms 159.89.89.242
11 2026-08-10 02:36 639219256015178099
369 ms 159.89.89.242
10 2026-08-10 02:22 639219247509540188
229 ms 159.89.89.242
9 2026-08-10 02:08 639219238999539092
125 ms 159.89.89.242
8 2026-08-10 01:54 639219230498823902
97 ms 159.89.89.242
7 2026-08-10 01:39 639219221706460911
495 ms 159.89.89.242
6 2026-08-10 01:25 639219212930606887
398 ms 159.89.89.242
5 2026-08-10 01:10 639219204307908525
500 ms 159.89.89.242
4 2026-08-10 00:56 639219195720181470
228 ms 159.89.89.242
3 2026-08-10 00:41 639219186898174002
2095 ms 159.89.89.242
2 2026-08-10 00:26 639219178004946976
221 ms 159.89.89.242
1 2026-08-10 00:11 639219168958805474
115 ms 159.89.89.242