DNS response history for ans1.zscaler9.net

ans1.zscaler9.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 2026-08-25. For this date, NameServerHistory found 60 DNS check records, 57 successful responses, 3 failed responses, and 232 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 ans1.zscaler9.net.
Records on Selected Date

60

Historical checks stored for this nameserver on selected date

Average Latency

232 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 20:41

All timestamps shown in UTC

Latest Resolved IP on Selected Date

208.94.148.4

Most recently resolved hosting IP on selected date

Successful Responses

57

Checks that returned a measurable response

Failed Responses

3

Checks with no response or no returned latency

Failure Rate

5%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ans1.zscaler9.net

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
60 2026-08-25 20:41 639232869755024069
11 ms 208.94.148.4
59 2026-08-25 20:23 639232859355940346
2036 ms 208.94.148.4
58 2026-08-25 20:06 639232848992244953
18 ms 208.94.148.4
57 2026-08-25 19:49 639232838596478500
14 ms 208.94.148.4
56 2026-08-25 19:31 639232828175327683
9 ms 208.94.148.4
55 2026-08-25 19:14 639232817798330473
39 ms 208.94.148.4
54 2026-08-25 18:20 639232785462407552
62 ms 208.94.148.4
53 2026-08-25 18:03 639232775177487032
8 ms 208.94.148.4
52 2026-08-25 17:46 639232764991087115
12 ms 208.94.148.4
51 2026-08-25 17:29 639232754842971478
28 ms 208.94.148.4
50 2026-08-25 17:12 639232744455159107
3 ms 208.94.148.4
49 2026-08-25 16:55 639232734145178231
8 ms 208.94.148.4
48 2026-08-25 16:37 639232723827874402
7 ms 208.94.148.4
47 2026-08-25 16:20 639232713533011892
17 ms 208.94.148.4
46 2026-08-25 16:03 639232703065318207
13 ms 208.94.148.4
45 2026-08-25 15:46 639232692629559470
7 ms 208.94.148.4
44 2026-08-25 15:28 639232682238836475
2040 ms 208.94.148.4
43 2026-08-25 15:11 639232671787004306
37 ms 208.94.148.4
42 2026-08-25 14:16 639232638994329666
18 ms 208.94.148.4
41 2026-08-25 13:59 639232628614783237
12 ms 208.94.148.4
40 2026-08-25 13:42 639232618360728578
36 ms 208.94.148.4
39 2026-08-25 13:25 639232608016476376
21 ms 208.94.148.4
38 2026-08-25 13:07 639232597643611557
3 ms 208.94.148.4
37 2026-08-25 12:50 639232587225721862
22 ms 208.94.148.4
36 2026-08-25 12:33 639232576780683689
-
35 2026-08-25 12:15 639232566381512620
53 ms 208.94.148.4
34 2026-08-25 11:58 639232556111768563
6 ms 208.94.148.4
33 2026-08-25 11:41 639232545839529039
31 ms 208.94.148.4
32 2026-08-25 11:23 639232535349285207
7 ms 208.94.148.4
31 2026-08-25 11:06 639232524938080723
7 ms 208.94.148.4
30 2026-08-25 10:12 639232492740373468
3 ms 208.94.148.4
29 2026-08-25 09:55 639232482235303141
2045 ms 208.94.148.4
28 2026-08-25 09:37 639232471861770303
27 ms 208.94.148.4
27 2026-08-25 09:20 639232461630217327
39 ms 208.94.148.4
26 2026-08-25 09:03 639232451282965990
9 ms 208.94.148.4
25 2026-08-25 08:46 639232440814614938
7 ms 208.94.148.4
24 2026-08-25 08:28 639232430410720425
53 ms 208.94.148.4
23 2026-08-25 08:11 639232420003096185
3 ms 208.94.148.4
22 2026-08-25 07:54 639232409467287444
61 ms 208.94.148.4
21 2026-08-25 07:36 639232399077195997
3 ms 208.94.148.4
20 2026-08-25 07:19 639232388731528337
2042 ms 208.94.148.4
19 2026-08-25 07:02 639232378288598612
18 ms 208.94.148.4
18 2026-08-25 06:08 639232346196373643
17 ms 208.94.148.4
17 2026-08-25 05:51 639232336112370741
-
16 2026-08-25 05:35 639232326146508970
11 ms 208.94.148.4
15 2026-08-25 05:18 639232316189381720
45 ms 208.94.148.4
14 2026-08-25 05:01 639232306217998913
10 ms 208.94.148.4
13 2026-08-25 04:45 639232296255744174
-
12 2026-08-25 04:28 639232286095760789
2042 ms 208.94.148.4
11 2026-08-25 04:11 639232276086186273
26 ms 208.94.148.4
10 2026-08-25 03:54 639232265900986425
6 ms 208.94.148.4
9 2026-08-25 03:37 639232255723518075
16 ms 208.94.148.4
8 2026-08-25 03:20 639232245484452890
25 ms 208.94.148.4
7 2026-08-25 03:03 639232235157175331
2012 ms 208.94.148.4
6 2026-08-25 02:10 639232203197189095
11 ms 208.94.148.4
5 2026-08-25 01:52 639232192844564298
9 ms 208.94.148.4
4 2026-08-25 01:35 639232182496008942
36 ms 208.94.148.4
3 2026-08-25 01:18 639232172197053132
7 ms 208.94.148.4
2 2026-08-25 00:25 639232140250307418
46 ms 208.94.148.4
1 2026-08-25 00:08 639232129927860324
3 ms 208.94.148.4