DNS response history for ns02.houstontx.gov

ns02.houstontx.gov 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 40 DNS check records, 40 successful responses, 0 failed responses, and 149 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 ns02.houstontx.gov.
Records on Selected Date

40

Historical checks stored for this nameserver on selected date

Average Latency

149 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 13:48

All timestamps shown in UTC

Latest Resolved IP on Selected Date

204.235.229.57

Most recently resolved hosting IP on selected date

Successful Responses

40

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 ns02.houstontx.gov

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
40 2026-08-25 13:48 639232618360728578
268 ms 204.235.229.57
39 2026-08-25 13:30 639232608016476376
4 ms 204.235.229.57
38 2026-08-25 13:13 639232597643611557
255 ms 204.235.229.57
37 2026-08-25 12:56 639232587225721862
130 ms 204.235.229.57
36 2026-08-25 12:38 639232576780683689
128 ms 204.235.229.57
35 2026-08-25 12:21 639232566381512620
131 ms 204.235.229.57
34 2026-08-25 12:04 639232556111768563
262 ms 204.235.229.57
33 2026-08-25 11:47 639232545839529039
9 ms 204.235.229.57
32 2026-08-25 11:29 639232535349285207
141 ms 204.235.229.57
31 2026-08-25 11:12 639232524938080723
136 ms 204.235.229.57
30 2026-08-25 10:18 639232492740373468
134 ms 204.235.229.57
29 2026-08-25 10:01 639232482235303141
145 ms 204.235.229.57
28 2026-08-25 09:43 639232471861770303
5 ms 204.235.229.57
27 2026-08-25 09:26 639232461630217327
131 ms 204.235.229.57
26 2026-08-25 09:09 639232451282965990
129 ms 204.235.229.57
25 2026-08-25 08:52 639232440814614938
130 ms 204.235.229.57
24 2026-08-25 08:34 639232430410720425
158 ms 204.235.229.57
23 2026-08-25 08:17 639232420003096185
139 ms 204.235.229.57
22 2026-08-25 08:00 639232409467287444
134 ms 204.235.229.57
21 2026-08-25 07:42 639232399077195997
259 ms 204.235.229.57
20 2026-08-25 07:25 639232388731528337
131 ms 204.235.229.57
19 2026-08-25 07:07 639232378288598612
130 ms 204.235.229.57
18 2026-08-25 06:14 639232346196373643
130 ms 204.235.229.57
17 2026-08-25 05:57 639232336112370741
128 ms 204.235.229.57
16 2026-08-25 05:40 639232326146508970
4 ms 204.235.229.57
15 2026-08-25 05:24 639232316189381720
4 ms 204.235.229.57
14 2026-08-25 05:07 639232306217998913
256 ms 204.235.229.57
13 2026-08-25 04:51 639232296255744174
259 ms 204.235.229.57
12 2026-08-25 04:34 639232286095760789
130 ms 204.235.229.57
11 2026-08-25 04:17 639232276086186273
4 ms 204.235.229.57
10 2026-08-25 04:00 639232265900986425
265 ms 204.235.229.57
9 2026-08-25 03:43 639232255723518075
269 ms 204.235.229.57
8 2026-08-25 03:26 639232245484452890
4 ms 204.235.229.57
7 2026-08-25 03:09 639232235157175331
252 ms 204.235.229.57
6 2026-08-25 02:16 639232203197189095
129 ms 204.235.229.57
5 2026-08-25 01:58 639232192844564298
130 ms 204.235.229.57
4 2026-08-25 01:41 639232182496008942
134 ms 204.235.229.57
3 2026-08-25 01:24 639232172197053132
258 ms 204.235.229.57
2 2026-08-25 00:31 639232140250307418
261 ms 204.235.229.57
1 2026-08-25 00:14 639232129927860324
258 ms 204.235.229.57