DNS response history for ns1-r1-chicago.webserversystems.com

ns1-r1-chicago.webserversystems.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 2026-08-26. For this date, NameServerHistory found 48 DNS check records, 47 successful responses, 1 failed responses, and 287 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 ns1-r1-chicago.webserversystems.com.
Records on Selected Date

48

Historical checks stored for this nameserver on selected date

Average Latency

287 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-26 16:14

All timestamps shown in UTC

Latest Resolved IP on Selected Date

143.95.41.115

Most recently resolved hosting IP on selected date

Successful Responses

47

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

2%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns1-r1-chicago.webserversystems.com

Showing DNS history for 2026-08-26 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
48 2026-08-26 16:14 639233572000374575
158 ms 143.95.41.115
47 2026-08-26 15:56 639233561188633861
145 ms 143.95.41.115
46 2026-08-26 15:38 639233550544357027
151 ms 143.95.41.115
45 2026-08-26 14:44 639233517966053117
2171 ms 143.95.41.115
44 2026-08-26 14:27 639233507603253585
231 ms 143.95.41.115
43 2026-08-26 14:09 639233497229039167
201 ms 143.95.41.115
42 2026-08-26 13:52 639233486864546406
147 ms 143.95.41.115
41 2026-08-26 13:35 639233476455174682
154 ms 143.95.41.115
40 2026-08-26 13:18 639233466171592605
168 ms 143.95.41.115
39 2026-08-26 13:00 639233455747096265
145 ms 143.95.41.115
38 2026-08-26 12:43 639233445367152284
2193 ms 143.95.41.115
37 2026-08-26 12:26 639233434974187439
142 ms 143.95.41.115
36 2026-08-26 12:08 639233424567558554
233 ms 143.95.41.115
35 2026-08-26 11:51 639233414056832719
152 ms 143.95.41.115
34 2026-08-26 11:33 639233403515141099
147 ms 143.95.41.115
33 2026-08-26 10:38 639233370841350248
148 ms 143.95.41.115
32 2026-08-26 10:21 639233360361507238
153 ms 143.95.41.115
31 2026-08-26 10:04 639233350067824371
157 ms 143.95.41.115
30 2026-08-26 09:47 639233339545274518
146 ms 143.95.41.115
29 2026-08-26 09:29 639233329214918079
147 ms 143.95.41.115
28 2026-08-26 09:12 639233318749762337
165 ms 143.95.41.115
27 2026-08-26 08:55 639233308387917838
162 ms 143.95.41.115
26 2026-08-26 08:37 639233297961740122
159 ms 143.95.41.115
25 2026-08-26 08:20 639233287487159094
167 ms 143.95.41.115
24 2026-08-26 08:02 639233276995531707
144 ms 143.95.41.115
23 2026-08-26 07:45 639233266521568229
2158 ms 143.95.41.115
22 2026-08-26 07:27 639233256081047431
153 ms 143.95.41.115
21 2026-08-26 06:34 639233223620132921
-
20 2026-08-26 06:16 639233213287814244
170 ms 143.95.41.115
19 2026-08-26 05:59 639233202925983161
154 ms 143.95.41.115
18 2026-08-26 05:42 639233192644780696
172 ms 143.95.41.115
17 2026-08-26 05:24 639233182401183833
165 ms 143.95.41.115
16 2026-08-26 05:07 639233172074181051
152 ms 143.95.41.115
15 2026-08-26 04:50 639233161808421455
157 ms 143.95.41.115
14 2026-08-26 04:33 639233151357344052
160 ms 143.95.41.115
13 2026-08-26 04:16 639233141034116946
146 ms 143.95.41.115
12 2026-08-26 03:59 639233130828334142
152 ms 143.95.41.115
11 2026-08-26 03:41 639233120373450007
153 ms 143.95.41.115
10 2026-08-26 03:24 639233110066216193
161 ms 143.95.41.115
9 2026-08-26 02:31 639233078065410564
152 ms 143.95.41.115
8 2026-08-26 02:14 639233067787457832
154 ms 143.95.41.115
7 2026-08-26 01:56 639233057501801162
158 ms 143.95.41.115
6 2026-08-26 01:39 639233047089431703
146 ms 143.95.41.115
5 2026-08-26 01:22 639233036754790688
153 ms 143.95.41.115
4 2026-08-26 01:05 639233026412602472
149 ms 143.95.41.115
3 2026-08-26 00:47 639233016064066127
146 ms 143.95.41.115
2 2026-08-26 00:30 639233005922655772
149 ms 143.95.41.115
1 2026-08-26 00:13 639232995672256907
148 ms 143.95.41.115