DNS response history for ns4.cognizant.com

ns4.cognizant.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 2026-08-25. For this date, NameServerHistory found 57 DNS check records, 57 successful responses, 0 failed responses, and 42 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 ns4.cognizant.com.
Records on Selected Date

57

Historical checks stored for this nameserver on selected date

Average Latency

42 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 19:54

All timestamps shown in UTC

Latest Resolved IP on Selected Date

203.99.197.115

Most recently resolved hosting IP on selected date

Successful Responses

57

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 ns4.cognizant.com

Showing DNS history for 2026-08-25 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
57 2026-08-25 19:54 639232838596478500
58 ms 203.99.197.115
56 2026-08-25 19:36 639232828175327683
40 ms 203.99.197.115
55 2026-08-25 19:19 639232817798330473
32 ms 203.99.197.115
54 2026-08-25 18:25 639232785462407552
54 ms 203.99.197.115
53 2026-08-25 18:08 639232775177487032
37 ms 203.99.197.115
52 2026-08-25 17:51 639232764991087115
56 ms 203.99.197.115
51 2026-08-25 17:34 639232754842971478
77 ms 203.99.197.115
50 2026-08-25 17:17 639232744455159107
53 ms 203.99.197.115
49 2026-08-25 16:59 639232734145178231
62 ms 203.99.197.115
48 2026-08-25 16:42 639232723827874402
39 ms 203.99.197.115
47 2026-08-25 16:25 639232713533011892
38 ms 203.99.197.115
46 2026-08-25 16:08 639232703065318207
36 ms 203.99.197.115
45 2026-08-25 15:50 639232692629559470
67 ms 203.99.197.115
44 2026-08-25 15:33 639232682238836475
5 ms 203.99.197.115
43 2026-08-25 15:16 639232671787004306
32 ms 203.99.197.115
42 2026-08-25 14:21 639232638994329666
34 ms 203.99.197.115
41 2026-08-25 14:04 639232628614783237
80 ms 203.99.197.115
40 2026-08-25 13:46 639232618360728578
28 ms 203.99.197.115
39 2026-08-25 13:29 639232608016476376
117 ms 203.99.197.115
38 2026-08-25 13:12 639232597643611557
8 ms 203.99.197.115
37 2026-08-25 12:55 639232587225721862
34 ms 203.99.197.115
36 2026-08-25 12:37 639232576780683689
38 ms 203.99.197.115
35 2026-08-25 12:20 639232566381512620
23 ms 203.99.197.115
34 2026-08-25 12:03 639232556111768563
42 ms 203.99.197.115
33 2026-08-25 11:46 639232545839529039
21 ms 203.99.197.115
32 2026-08-25 11:28 639232535349285207
6 ms 203.99.197.115
31 2026-08-25 11:11 639232524938080723
76 ms 203.99.197.115
30 2026-08-25 10:17 639232492740373468
5 ms 203.99.197.115
29 2026-08-25 10:00 639232482235303141
57 ms 203.99.197.115
28 2026-08-25 09:42 639232471861770303
50 ms 203.99.197.115
27 2026-08-25 09:25 639232461630217327
37 ms 203.99.197.115
26 2026-08-25 09:08 639232451282965990
46 ms 203.99.197.115
25 2026-08-25 08:51 639232440814614938
49 ms 203.99.197.115
24 2026-08-25 08:33 639232430410720425
65 ms 203.99.197.115
23 2026-08-25 08:16 639232420003096185
46 ms 203.99.197.115
22 2026-08-25 07:59 639232409467287444
27 ms 203.99.197.115
21 2026-08-25 07:41 639232399077195997
5 ms 203.99.197.115
20 2026-08-25 07:24 639232388731528337
36 ms 203.99.197.115
19 2026-08-25 07:06 639232378288598612
22 ms 203.99.197.115
18 2026-08-25 06:13 639232346196373643
35 ms 203.99.197.115
17 2026-08-25 05:56 639232336112370741
56 ms 203.99.197.115
16 2026-08-25 05:39 639232326146508970
34 ms 203.99.197.115
15 2026-08-25 05:23 639232316189381720
24 ms 203.99.197.115
14 2026-08-25 05:06 639232306217998913
26 ms 203.99.197.115
13 2026-08-25 04:50 639232296255744174
41 ms 203.99.197.115
12 2026-08-25 04:33 639232286095760789
30 ms 203.99.197.115
11 2026-08-25 04:16 639232276086186273
47 ms 203.99.197.115
10 2026-08-25 03:59 639232265900986425
33 ms 203.99.197.115
9 2026-08-25 03:42 639232255723518075
27 ms 203.99.197.115
8 2026-08-25 03:25 639232245484452890
34 ms 203.99.197.115
7 2026-08-25 03:08 639232235157175331
39 ms 203.99.197.115
6 2026-08-25 02:15 639232203197189095
37 ms 203.99.197.115
5 2026-08-25 01:57 639232192844564298
56 ms 203.99.197.115
4 2026-08-25 01:40 639232182496008942
22 ms 203.99.197.115
3 2026-08-25 01:23 639232172197053132
35 ms 203.99.197.115
2 2026-08-25 00:30 639232140250307418
152 ms 203.99.197.115
1 2026-08-25 00:13 639232129927860324
46 ms 203.99.197.115