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 2026-08-15. For this date, NameServerHistory found 76 DNS check records, 76 successful responses, 0 failed responses, and 283 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

76

Historical checks stored for this nameserver on selected date

Average Latency

283 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-15 23:45

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

76

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 2026-08-15 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
76 2026-08-15 23:45 639224338276675277
871 ms 156.154.66.25
75 2026-08-15 22:53 639224306594546649
4 ms 156.154.66.25
74 2026-08-15 22:37 639224297145423303
54 ms 156.154.66.25
73 2026-08-15 22:22 639224287678238833
122 ms 156.154.66.25
72 2026-08-15 22:06 639224278490872828
120 ms 156.154.66.25
71 2026-08-15 21:51 639224269149307826
139 ms 156.154.66.25
70 2026-08-15 21:35 639224259868597616
15 ms 156.154.66.25
69 2026-08-15 21:20 639224250518642175
6 ms 156.154.66.25
68 2026-08-15 21:04 639224241064772383
341 ms 156.154.66.25
67 2026-08-15 20:48 639224231691099605
493 ms 156.154.66.25
66 2026-08-15 20:33 639224222468168159
491 ms 156.154.66.25
65 2026-08-15 20:17 639224213173899635
10 ms 156.154.66.25
64 2026-08-15 20:02 639224203914451783
3 ms 156.154.66.25
63 2026-08-15 19:09 639224172202542163
214 ms 156.154.66.25
62 2026-08-15 18:54 639224163338654093
118 ms 156.154.66.25
61 2026-08-15 18:39 639224154287995374
3 ms 156.154.66.25
60 2026-08-15 18:24 639224145118612503
143 ms 156.154.66.25
59 2026-08-15 18:09 639224135995990731
126 ms 156.154.66.25
58 2026-08-15 17:54 639224127185332624
3 ms 156.154.66.25
57 2026-08-15 17:39 639224118229289175
2143 ms 156.154.66.25
56 2026-08-15 17:24 639224109273796359
3 ms 156.154.66.25
55 2026-08-15 17:09 639224100490805608
7 ms 156.154.66.25
54 2026-08-15 16:54 639224091353714490
129 ms 156.154.66.25
53 2026-08-15 16:39 639224082033126828
123 ms 156.154.66.25
52 2026-08-15 16:23 639224072736962403
127 ms 156.154.66.25
51 2026-08-15 15:31 639224041475563754
9 ms 156.154.66.25
50 2026-08-15 15:16 639224032345604453
7 ms 156.154.66.25
49 2026-08-15 15:01 639224023169497283
13 ms 156.154.66.25
48 2026-08-15 14:46 639224013981146405
494 ms 156.154.66.25
47 2026-08-15 14:30 639224004883412586
500 ms 156.154.66.25
46 2026-08-15 14:15 639223995612880615
3 ms 156.154.66.25
45 2026-08-15 13:59 639223986271830789
3 ms 156.154.66.25
44 2026-08-15 13:44 639223977005780949
128 ms 156.154.66.25
43 2026-08-15 13:28 639223967653137793
6 ms 156.154.66.25
42 2026-08-15 13:13 639223958286010799
7 ms 156.154.66.25
41 2026-08-15 12:57 639223948936108345
529 ms 156.154.66.25
40 2026-08-15 12:41 639223939673066880
144 ms 156.154.66.25
39 2026-08-15 11:49 639223908317760530
2032 ms 156.154.66.25
38 2026-08-15 11:34 639223898992594258
503 ms 156.154.66.25
37 2026-08-15 11:18 639223889761312823
9 ms 156.154.66.25
36 2026-08-15 11:03 639223880359273507
471 ms 156.154.66.25
35 2026-08-15 10:47 639223870920466808
125 ms 156.154.66.25
34 2026-08-15 10:31 639223861579762179
4 ms 156.154.66.25
33 2026-08-15 10:16 639223852238616009
121 ms 156.154.66.25
32 2026-08-15 10:00 639223843019815620
2008 ms 156.154.66.25
31 2026-08-15 09:45 639223833669915012
4 ms 156.154.66.25
30 2026-08-15 09:29 639223824494613222
118 ms 156.154.66.25
29 2026-08-15 09:14 639223815116325293
170 ms 156.154.66.25
28 2026-08-15 08:58 639223805493870221
5 ms 156.154.66.25
27 2026-08-15 08:06 639223774218660438
5 ms 156.154.66.25
26 2026-08-15 07:50 639223764663090372
4 ms 156.154.66.25
25 2026-08-15 07:34 639223755338811400
487 ms 156.154.66.25
24 2026-08-15 07:19 639223746019193268
495 ms 156.154.66.25
23 2026-08-15 07:03 639223736658778104
507 ms 156.154.66.25
22 2026-08-15 06:47 639223727330194499
498 ms 156.154.66.25
21 2026-08-15 06:32 639223717848514742
482 ms 156.154.66.25
20 2026-08-15 06:16 639223708284754056
127 ms 156.154.66.25
19 2026-08-15 06:00 639223699061259933
499 ms 156.154.66.25
18 2026-08-15 05:45 639223689592545140
165 ms 156.154.66.25
17 2026-08-15 05:29 639223680143410810
127 ms 156.154.66.25
16 2026-08-15 05:13 639223670514517104
495 ms 156.154.66.25
15 2026-08-15 04:20 639223638855054294
3 ms 156.154.66.25
14 2026-08-15 04:05 639223629623335972
496 ms 156.154.66.25
13 2026-08-15 03:49 639223620390189495
480 ms 156.154.66.25
12 2026-08-15 03:34 639223610916950440
493 ms 156.154.66.25
11 2026-08-15 03:18 639223601597759168
125 ms 156.154.66.25
10 2026-08-15 03:03 639223592342172093
133 ms 156.154.66.25
9 2026-08-15 02:47 639223583324121497
560 ms 156.154.66.25
8 2026-08-15 02:32 639223574086714218
538 ms 156.154.66.25
7 2026-08-15 02:17 639223564698424889
501 ms 156.154.66.25
6 2026-08-15 02:01 639223555408664206
471 ms 156.154.66.25
5 2026-08-15 01:45 639223546000912416
12 ms 156.154.66.25
4 2026-08-15 01:30 639223536550774847
117 ms 156.154.66.25
3 2026-08-15 00:37 639223505017205611
490 ms 156.154.66.25
2 2026-08-15 00:22 639223495784410207
3 ms 156.154.66.25
1 2026-08-15 00:06 639223486524583054
2 ms 156.154.66.25