DNS response history for ns1.1st.ir

ns1.1st.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 2026-08-24. For this date, NameServerHistory found 26 DNS check records, 26 successful responses, 0 failed responses, and 528 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 ns1.1st.ir.
Records on Selected Date

26

Historical checks stored for this nameserver on selected date

Average Latency

528 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 10:37

All timestamps shown in UTC

Latest Resolved IP on Selected Date

31.7.78.26

Most recently resolved hosting IP on selected date

Successful Responses

26

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 ns1.1st.ir

Showing DNS history for 2026-08-24 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
26 2026-08-24 10:37 639231641791249939
16 ms 31.7.78.26
25 2026-08-24 10:20 639231631866211033
223 ms 31.7.78.26
24 2026-08-24 10:03 639231621644955316
222 ms 31.7.78.26
23 2026-08-24 09:46 639231611478799259
228 ms 31.7.78.26
22 2026-08-24 08:54 639231579923718211
216 ms 31.7.78.26
21 2026-08-24 08:37 639231569810702936
2210 ms 31.7.78.26
20 2026-08-24 08:20 639231559762411619
2106 ms 31.7.78.26
19 2026-08-24 08:03 639231549663595407
207 ms 31.7.78.26
18 2026-08-24 07:11 639231518076817246
215 ms 31.7.78.26
17 2026-08-24 06:54 639231508078650885
211 ms 31.7.78.26
16 2026-08-24 06:37 639231498210697093
2009 ms 31.7.78.26
15 2026-08-24 06:21 639231488109699360
2120 ms 31.7.78.26
14 2026-08-24 05:29 639231456772510692
28 ms 31.7.78.26
13 2026-08-24 05:12 639231447084631185
209 ms 31.7.78.26
12 2026-08-24 04:56 639231437208519473
7 ms 31.7.78.26
11 2026-08-24 04:39 639231427209627490
97 ms 31.7.78.26
10 2026-08-24 03:47 639231395791246644
221 ms 31.7.78.26
9 2026-08-24 03:31 639231386075551458
267 ms 31.7.78.26
8 2026-08-24 03:14 639231376208713791
47 ms 31.7.78.26
7 2026-08-24 02:58 639231366170589276
110 ms 31.7.78.26
6 2026-08-24 02:05 639231334732159368
136 ms 31.7.78.26
5 2026-08-24 01:49 639231325035670078
103 ms 31.7.78.26
4 2026-08-24 01:32 639231315132253837
214 ms 31.7.78.26
3 2026-08-24 01:16 639231305014280808
2 ms 31.7.78.26
2 2026-08-24 00:23 639231273779380675
209 ms 31.7.78.26
1 2026-08-24 00:08 639231264180839154
2107 ms 31.7.78.26