DNS response history for ns2.ostan-as.ir

ns2.ostan-as.ir 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 30 DNS check records, 30 successful responses, 0 failed responses, and 161 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 ns2.ostan-as.ir.
Records on Selected Date

30

Historical checks stored for this nameserver on selected date

Average Latency

161 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-25 10:18

All timestamps shown in UTC

Latest Resolved IP on Selected Date

2.189.254.81

Most recently resolved hosting IP on selected date

Successful Responses

30

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 ns2.ostan-as.ir

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
30 2026-08-25 10:18 639232492740373468
3 ms 2.189.254.81
29 2026-08-25 10:01 639232482235303141
195 ms 2.189.254.81
28 2026-08-25 09:43 639232471861770303
203 ms 2.189.254.81
27 2026-08-25 09:26 639232461630217327
183 ms 2.189.254.81
26 2026-08-25 09:09 639232451282965990
141 ms 2.189.254.81
25 2026-08-25 08:51 639232440814614938
187 ms 2.189.254.81
24 2026-08-25 08:34 639232430410720425
187 ms 2.189.254.81
23 2026-08-25 08:17 639232420003096185
194 ms 2.189.254.81
22 2026-08-25 07:59 639232409467287444
7 ms 2.189.254.81
21 2026-08-25 07:42 639232399077195997
183 ms 2.189.254.81
20 2026-08-25 07:24 639232388731528337
207 ms 2.189.254.81
19 2026-08-25 07:07 639232378288598612
149 ms 2.189.254.81
18 2026-08-25 06:13 639232346196373643
196 ms 2.189.254.81
17 2026-08-25 05:56 639232336112370741
160 ms 2.189.254.81
16 2026-08-25 05:40 639232326146508970
4 ms 2.189.254.81
15 2026-08-25 05:23 639232316189381720
2 ms 2.189.254.81
14 2026-08-25 05:07 639232306217998913
203 ms 2.189.254.81
13 2026-08-25 04:50 639232296255744174
175 ms 2.189.254.81
12 2026-08-25 04:33 639232286095760789
83 ms 2.189.254.81
11 2026-08-25 04:16 639232276086186273
293 ms 2.189.254.81
10 2026-08-25 04:00 639232265900986425
185 ms 2.189.254.81
9 2026-08-25 03:43 639232255723518075
184 ms 2.189.254.81
8 2026-08-25 03:26 639232245484452890
188 ms 2.189.254.81
7 2026-08-25 03:08 639232235157175331
142 ms 2.189.254.81
6 2026-08-25 02:15 639232203197189095
192 ms 2.189.254.81
5 2026-08-25 01:58 639232192844564298
185 ms 2.189.254.81
4 2026-08-25 01:41 639232182496008942
265 ms 2.189.254.81
3 2026-08-25 01:23 639232172197053132
188 ms 2.189.254.81
2 2026-08-25 00:30 639232140250307418
179 ms 2.189.254.81
1 2026-08-25 00:13 639232129927860324
177 ms 2.189.254.81