DNS response history for nameserver2.concentric.net

nameserver2.concentric.net 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 2026-08-09. For this date, NameServerHistory found 78 DNS check records, 78 successful responses, 0 failed responses, and 338 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 nameserver2.concentric.net.
Records on Selected Date

78

Historical checks stored for this nameserver on selected date

Average Latency

338 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-09 23:18

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.66.25

Most recently resolved hosting IP on selected date

Successful Responses

78

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 nameserver2.concentric.net

Showing DNS history for 2026-08-09 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
78 2026-08-09 23:18 639219137912168440
4 ms 156.154.66.25
77 2026-08-09 23:04 639219129014206359
115 ms 156.154.66.25
76 2026-08-09 22:49 639219120129816185
567 ms 156.154.66.25
75 2026-08-09 22:34 639219111180200055
121 ms 156.154.66.25
74 2026-08-09 22:19 639219102397272208
378 ms 156.154.66.25
73 2026-08-09 22:04 639219093318422880
126 ms 156.154.66.25
72 2026-08-09 21:49 639219084400315753
123 ms 156.154.66.25
71 2026-08-09 21:34 639219075254551587
511 ms 156.154.66.25
70 2026-08-09 21:19 639219065729192158
119 ms 156.154.66.25
69 2026-08-09 21:03 639219056747802098
124 ms 156.154.66.25
68 2026-08-09 20:48 639219047713450952
20 ms 156.154.66.25
67 2026-08-09 20:33 639219038561445315
228 ms 156.154.66.25
66 2026-08-09 19:41 639219007390383771
130 ms 156.154.66.25
65 2026-08-09 19:26 639218998523265596
129 ms 156.154.66.25
64 2026-08-09 19:12 639218989631630804
530 ms 156.154.66.25
63 2026-08-09 18:57 639218980808450892
128 ms 156.154.66.25
62 2026-08-09 18:42 639218971852160604
18 ms 156.154.66.25
61 2026-08-09 18:27 639218962783650906
114 ms 156.154.66.25
60 2026-08-09 18:12 639218953792820819
502 ms 156.154.66.25
59 2026-08-09 17:57 639218944959692876
398 ms 156.154.66.25
58 2026-08-09 17:42 639218936169104506
275 ms 156.154.66.25
57 2026-08-09 17:28 639218927166062556
493 ms 156.154.66.25
56 2026-08-09 17:12 639218918015715420
499 ms 156.154.66.25
55 2026-08-09 16:57 639218908881852638
127 ms 156.154.66.25
54 2026-08-09 16:06 639218877956262035
482 ms 156.154.66.25
53 2026-08-09 15:51 639218869143729797
128 ms 156.154.66.25
52 2026-08-09 15:37 639218860485298832
165 ms 156.154.66.25
51 2026-08-09 15:22 639218851607906747
479 ms 156.154.66.25
50 2026-08-09 15:07 639218842720839568
165 ms 156.154.66.25
49 2026-08-09 14:53 639218833878788864
118 ms 156.154.66.25
48 2026-08-09 14:38 639218825180862573
117 ms 156.154.66.25
47 2026-08-09 14:23 639218816469621951
115 ms 156.154.66.25
46 2026-08-09 14:09 639218807685036212
470 ms 156.154.66.25
45 2026-08-09 13:54 639218798978271509
143 ms 156.154.66.25
44 2026-08-09 13:39 639218790065423597
280 ms 156.154.66.25
43 2026-08-09 13:25 639218781304584862
119 ms 156.154.66.25
42 2026-08-09 12:32 639218750311179000
5 ms 156.154.66.25
41 2026-08-09 12:18 639218741750420268
2010 ms 156.154.66.25
40 2026-08-09 12:04 639218733057535576
495 ms 156.154.66.25
39 2026-08-09 11:49 639218724471329044
165 ms 156.154.66.25
38 2026-08-09 11:35 639218715911974203
377 ms 156.154.66.25
37 2026-08-09 11:21 639218707310812834
173 ms 156.154.66.25
36 2026-08-09 11:06 639218698790485612
3 ms 156.154.66.25
35 2026-08-09 10:52 639218690367692706
490 ms 156.154.66.25
34 2026-08-09 10:38 639218681923173883
2245 ms 156.154.66.25
33 2026-08-09 10:24 639218673547179738
113 ms 156.154.66.25
32 2026-08-09 10:10 639218664890274867
531 ms 156.154.66.25
31 2026-08-09 09:55 639218656036928157
4 ms 156.154.66.25
30 2026-08-09 09:02 639218624808018222
4 ms 156.154.66.25
29 2026-08-09 08:47 639218616243340806
14 ms 156.154.66.25
28 2026-08-09 08:33 639218607397811973
5 ms 156.154.66.25
27 2026-08-09 08:18 639218598812444454
4009 ms 156.154.66.25
26 2026-08-09 08:04 639218590219570048
116 ms 156.154.66.25
25 2026-08-09 07:50 639218581690210758
496 ms 156.154.66.25
24 2026-08-09 07:36 639218573057388822
2197 ms 156.154.66.25
23 2026-08-09 07:21 639218564408781785
498 ms 156.154.66.25
22 2026-08-09 07:07 639218555767188482
127 ms 156.154.66.25
21 2026-08-09 06:52 639218547142705295
152 ms 156.154.66.25
20 2026-08-09 06:37 639218538090114532
116 ms 156.154.66.25
19 2026-08-09 06:22 639218529257910584
122 ms 156.154.66.25
18 2026-08-09 05:32 639218498473231858
12 ms 156.154.66.25
17 2026-08-09 05:17 639218489802113995
118 ms 156.154.66.25
16 2026-08-09 05:03 639218481006804516
159 ms 156.154.66.25
15 2026-08-09 04:48 639218472048712427
192 ms 156.154.66.25
14 2026-08-09 04:33 639218463224432974
136 ms 156.154.66.25
13 2026-08-09 04:18 639218454384107526
478 ms 156.154.66.25
12 2026-08-09 04:03 639218445331231791
190 ms 156.154.66.25
11 2026-08-09 03:48 639218436285215733
157 ms 156.154.66.25
10 2026-08-09 03:33 639218427289555123
118 ms 156.154.66.25
9 2026-08-09 03:18 639218418227819981
179 ms 156.154.66.25
8 2026-08-09 03:03 639218409119503123
143 ms 156.154.66.25
7 2026-08-09 02:48 639218399771712154
508 ms 156.154.66.25
6 2026-08-09 01:54 639218368648652303
513 ms 156.154.66.25
5 2026-08-09 01:39 639218359569598460
131 ms 156.154.66.25
4 2026-08-09 01:24 639218350555429902
139 ms 156.154.66.25
3 2026-08-09 01:09 639218341311543299
9 ms 156.154.66.25
2 2026-08-09 00:17 639218309981981465
135 ms 156.154.66.25
1 2026-08-09 00:02 639218300987184335
8 ms 156.154.66.25