DNS response history for ns1.contractoverflow.com

ns1.contractoverflow.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 2026-08-21. For this date, NameServerHistory found 73 DNS check records, 71 successful responses, 2 failed responses, and 349 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.contractoverflow.com.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

349 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:52

All timestamps shown in UTC

Latest Resolved IP on Selected Date

173.225.100.235

Most recently resolved hosting IP on selected date

Successful Responses

71

Checks that returned a measurable response

Failed Responses

2

Checks with no response or no returned latency

Failure Rate

3%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns1.contractoverflow.com

Showing DNS history for 2026-08-21 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
73 2026-08-21 23:52 639229527598660841
192 ms 173.225.100.235
72 2026-08-21 23:36 639229517954323214
195 ms 173.225.100.235
71 2026-08-21 23:20 639229508269999021
96 ms 173.225.100.235
70 2026-08-21 23:04 639229498559060171
16 ms 173.225.100.235
69 2026-08-21 22:47 639229488519347586
206 ms 173.225.100.235
68 2026-08-21 21:54 639229456606578934
185 ms 173.225.100.235
67 2026-08-21 21:38 639229446985772499
218 ms 173.225.100.235
66 2026-08-21 21:22 639229437367313098
191 ms 173.225.100.235
65 2026-08-21 21:06 639229427923950391
7 ms 173.225.100.235
64 2026-08-21 20:50 639229418168588854
2166 ms 173.225.100.235
63 2026-08-21 20:33 639229408345678334
204 ms 173.225.100.235
62 2026-08-21 20:17 639229398616354648
22 ms 173.225.100.235
61 2026-08-21 20:01 639229388634592323
239 ms 173.225.100.235
60 2026-08-21 19:44 639229378792837692
-
59 2026-08-21 19:28 639229369154682311
208 ms 173.225.100.235
58 2026-08-21 19:11 639229359248017926
191 ms 173.225.100.235
57 2026-08-21 18:55 639229349124294642
26 ms 173.225.100.235
56 2026-08-21 18:03 639229317791715692
165 ms 173.225.100.235
55 2026-08-21 17:46 639229308115194575
2141 ms 173.225.100.235
54 2026-08-21 17:30 639229298320320558
2032 ms 173.225.100.235
53 2026-08-21 17:14 639229288674863221
95 ms 173.225.100.235
52 2026-08-21 16:58 639229278983677079
198 ms 173.225.100.235
51 2026-08-21 16:42 639229269405517175
190 ms 173.225.100.235
50 2026-08-21 16:26 639229259594798244
255 ms 173.225.100.235
49 2026-08-21 16:09 639229249736681188
242 ms 173.225.100.235
48 2026-08-21 15:52 639229239699417787
96 ms 173.225.100.235
47 2026-08-21 15:36 639229229621964033
25 ms 173.225.100.235
46 2026-08-21 15:19 639229219567270965
18 ms 173.225.100.235
45 2026-08-21 15:02 639229209406666856
18 ms 173.225.100.235
44 2026-08-21 14:09 639229177815876178
216 ms 173.225.100.235
43 2026-08-21 13:53 639229168243572685
109 ms 173.225.100.235
42 2026-08-21 13:37 639229158599856475
20 ms 173.225.100.235
41 2026-08-21 13:21 639229148998940902
13 ms 173.225.100.235
40 2026-08-21 13:05 639229139276923594
11 ms 173.225.100.235
39 2026-08-21 12:49 639229129709912394
31 ms 173.225.100.235
38 2026-08-21 12:33 639229119801488500
194 ms 173.225.100.235
37 2026-08-21 12:16 639229110135262458
19 ms 173.225.100.235
36 2026-08-21 12:00 639229100336051392
210 ms 173.225.100.235
35 2026-08-21 11:44 639229090641415626
93 ms 173.225.100.235
34 2026-08-21 11:27 639229080702683947
2099 ms 173.225.100.235
33 2026-08-21 11:11 639229070601456699
203 ms 173.225.100.235
32 2026-08-21 10:18 639229038947447232
8 ms 173.225.100.235
31 2026-08-21 10:02 639229029268708773
118 ms 173.225.100.235
30 2026-08-21 09:45 639229019647910603
202 ms 173.225.100.235
29 2026-08-21 09:29 639229009983843738
-
28 2026-08-21 09:13 639229000203331882
101 ms 173.225.100.235
27 2026-08-21 08:57 639228990302335999
189 ms 173.225.100.235
26 2026-08-21 08:40 639228980567740722
2147 ms 173.225.100.235
25 2026-08-21 08:24 639228970762445174
45 ms 173.225.100.235
24 2026-08-21 08:08 639228961065054445
190 ms 173.225.100.235
23 2026-08-21 07:52 639228951224649885
100 ms 173.225.100.235
22 2026-08-21 07:35 639228941303864592
2008 ms 173.225.100.235
21 2026-08-21 07:18 639228931191328583
2018 ms 173.225.100.235
20 2026-08-21 06:25 639228899518173317
210 ms 173.225.100.235
19 2026-08-21 06:09 639228889785027669
24 ms 173.225.100.235
18 2026-08-21 05:53 639228880106330161
76 ms 173.225.100.235
17 2026-08-21 05:37 639228870316184091
14 ms 173.225.100.235
16 2026-08-21 05:21 639228860695366512
136 ms 173.225.100.235
15 2026-08-21 05:05 639228851027209500
7 ms 173.225.100.235
14 2026-08-21 04:49 639228841479265462
213 ms 173.225.100.235
13 2026-08-21 04:32 639228831752962260
186 ms 173.225.100.235
12 2026-08-21 04:16 639228821953295483
105 ms 173.225.100.235
11 2026-08-21 04:00 639228812227429953
192 ms 173.225.100.235
10 2026-08-21 03:44 639228802476107538
190 ms 173.225.100.235
9 2026-08-21 03:27 639228792525492032
197 ms 173.225.100.235
8 2026-08-21 02:35 639228761131421385
192 ms 173.225.100.235
7 2026-08-21 02:19 639228751571206692
29 ms 173.225.100.235
6 2026-08-21 02:02 639228741705571019
191 ms 173.225.100.235
5 2026-08-21 01:46 639228731642208228
2094 ms 173.225.100.235
4 2026-08-21 00:53 639228700387002072
95 ms 173.225.100.235
3 2026-08-21 00:37 639228690742014433
39 ms 173.225.100.235
2 2026-08-21 00:21 639228680877937122
201 ms 173.225.100.235
1 2026-08-21 00:04 639228670775860800
186 ms 173.225.100.235