DNS response history for ns02.istnet.co.za

ns02.istnet.co.za 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 21 DNS check records, 21 successful responses, 0 failed responses, and 477 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.istnet.co.za.
Records on Selected Date

21

Historical checks stored for this nameserver on selected date

Average Latency

477 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 07:45

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.38.128.92

Most recently resolved hosting IP on selected date

Successful Responses

21

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.istnet.co.za

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
21 2026-08-25 07:45 639232399077195997
245 ms 156.38.128.92
20 2026-08-25 07:27 639232388731528337
188 ms 156.38.128.92
19 2026-08-25 07:10 639232378288598612
560 ms 156.38.128.92
18 2026-08-25 06:16 639232346196373643
186 ms 156.38.128.92
17 2026-08-25 06:00 639232336112370741
191 ms 156.38.128.92
16 2026-08-25 05:43 639232326146508970
549 ms 156.38.128.92
15 2026-08-25 05:26 639232316189381720
2209 ms 156.38.128.92
14 2026-08-25 05:10 639232306217998913
190 ms 156.38.128.92
13 2026-08-25 04:53 639232296255744174
189 ms 156.38.128.92
12 2026-08-25 04:36 639232286095760789
189 ms 156.38.128.92
11 2026-08-25 04:19 639232276086186273
189 ms 156.38.128.92
10 2026-08-25 04:03 639232265900986425
188 ms 156.38.128.92
9 2026-08-25 03:46 639232255723518075
189 ms 156.38.128.92
8 2026-08-25 03:29 639232245484452890
188 ms 156.38.128.92
7 2026-08-25 03:12 639232235157175331
376 ms 156.38.128.92
6 2026-08-25 02:18 639232203197189095
188 ms 156.38.128.92
5 2026-08-25 02:01 639232192844564298
517 ms 156.38.128.92
4 2026-08-25 01:44 639232182496008942
192 ms 156.38.128.92
3 2026-08-25 01:26 639232172197053132
545 ms 156.38.128.92
2 2026-08-25 00:33 639232140250307418
2198 ms 156.38.128.92
1 2026-08-25 00:16 639232129927860324
541 ms 156.38.128.92