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 2026-08-28. For this date, NameServerHistory found 56 DNS check records, 56 successful responses, 0 failed responses, and 360 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

56

Historical checks stored for this nameserver on selected date

Average Latency

360 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-28 23:54

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

56

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 2026-08-28 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
56 2026-08-28 23:54 639235574865467349
117 ms 156.154.66.25
55 2026-08-28 23:37 639235564640220198
131 ms 156.154.66.25
54 2026-08-28 23:20 639235554328938529
489 ms 156.154.66.25
53 2026-08-28 23:03 639235543879452837
127 ms 156.154.66.25
52 2026-08-28 22:09 639235511923394567
2010 ms 156.154.66.25
51 2026-08-28 21:52 639235501571282412
473 ms 156.154.66.25
50 2026-08-28 21:35 639235491147763512
30 ms 156.154.66.25
49 2026-08-28 21:17 639235480607057252
130 ms 156.154.66.25
48 2026-08-28 20:24 639235448504869535
2284 ms 156.154.66.25
47 2026-08-28 20:07 639235438205961423
165 ms 156.154.66.25
46 2026-08-28 19:49 639235427771603643
117 ms 156.154.66.25
45 2026-08-28 19:32 639235417327437217
120 ms 156.154.66.25
44 2026-08-28 18:39 639235385468729647
539 ms 156.154.66.25
43 2026-08-28 18:21 639235375227508188
142 ms 156.154.66.25
42 2026-08-28 18:04 639235364947407812
138 ms 156.154.66.25
41 2026-08-28 17:47 639235354434017190
117 ms 156.154.66.25
40 2026-08-28 16:54 639235322621629103
4 ms 156.154.66.25
39 2026-08-28 16:37 639235312230592801
137 ms 156.154.66.25
38 2026-08-28 16:19 639235301738139314
132 ms 156.154.66.25
37 2026-08-28 16:02 639235291168160936
148 ms 156.154.66.25
36 2026-08-28 15:08 639235258803654519
131 ms 156.154.66.25
35 2026-08-28 14:50 639235248596087996
119 ms 156.154.66.25
34 2026-08-28 14:33 639235238225955920
10 ms 156.154.66.25
33 2026-08-28 14:16 639235227727862105
11 ms 156.154.66.25
32 2026-08-28 13:22 639235195230848570
130 ms 156.154.66.25
31 2026-08-28 13:04 639235184840503274
119 ms 156.154.66.25
30 2026-08-28 12:47 639235174453894956
131 ms 156.154.66.25
29 2026-08-28 12:29 639235163898672622
117 ms 156.154.66.25
28 2026-08-28 11:36 639235132147470568
127 ms 156.154.66.25
27 2026-08-28 11:19 639235121907744088
156 ms 156.154.66.25
26 2026-08-28 11:02 639235111428014262
130 ms 156.154.66.25
25 2026-08-28 10:44 639235100921813626
128 ms 156.154.66.25
24 2026-08-28 09:51 639235068670703481
131 ms 156.154.66.25
23 2026-08-28 09:33 639235058337459445
134 ms 156.154.66.25
22 2026-08-28 09:16 639235047825109146
117 ms 156.154.66.25
21 2026-08-28 08:58 639235037383229033
2009 ms 156.154.66.25
20 2026-08-28 08:05 639235005619242711
478 ms 156.154.66.25
19 2026-08-28 07:48 639234995310346584
169 ms 156.154.66.25
18 2026-08-28 07:31 639234984946548933
2019 ms 156.154.66.25
17 2026-08-28 07:14 639234974608077290
117 ms 156.154.66.25
16 2026-08-28 06:20 639234942529845595
120 ms 156.154.66.25
15 2026-08-28 06:03 639234932259126627
131 ms 156.154.66.25
14 2026-08-28 05:46 639234921916735988
466 ms 156.154.66.25
13 2026-08-28 05:29 639234911470038027
127 ms 156.154.66.25
12 2026-08-28 04:35 639234879588411654
18 ms 156.154.66.25
11 2026-08-28 04:18 639234869341589104
131 ms 156.154.66.25
10 2026-08-28 04:01 639234859012216675
2011 ms 156.154.66.25
9 2026-08-28 03:44 639234848695364934
129 ms 156.154.66.25
8 2026-08-28 02:51 639234816952458162
2208 ms 156.154.66.25
7 2026-08-28 02:34 639234806773081598
8 ms 156.154.66.25
6 2026-08-28 02:17 639234796382955255
124 ms 156.154.66.25
5 2026-08-28 01:59 639234786015782563
126 ms 156.154.66.25
4 2026-08-28 01:06 639234753811917646
116 ms 156.154.66.25
3 2026-08-28 00:49 639234743739767811
131 ms 156.154.66.25
2 2026-08-28 00:32 639234733372362811
163 ms 156.154.66.25
1 2026-08-28 00:15 639234723048550337
130 ms 156.154.66.25