DNS response history for r.ns.arvancdn.ir

r.ns.arvancdn.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 38 DNS check records, 36 successful responses, 2 failed responses, and 210 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 r.ns.arvancdn.ir.
Records on Selected Date

38

Historical checks stored for this nameserver on selected date

Average Latency

210 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 15:45

All timestamps shown in UTC

Latest Resolved IP on Selected Date

185.143.235.253

Most recently resolved hosting IP on selected date

Successful Responses

36

Checks that returned a measurable response

Failed Responses

2

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 r.ns.arvancdn.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
38 2026-08-24 15:45 639231828211839931
28 ms 185.143.235.253
37 2026-08-24 15:28 639231818080917481
62 ms 185.143.235.253
36 2026-08-24 15:11 639231807961539652
2060 ms 185.143.235.253
35 2026-08-24 14:54 639231797631669865
51 ms 185.143.235.253
34 2026-08-24 14:01 639231765923559455
2092 ms 185.143.235.253
33 2026-08-24 13:44 639231755868832964
28 ms 185.143.235.253
32 2026-08-24 13:27 639231745628278877
23 ms 185.143.235.253
31 2026-08-24 13:10 639231735407682062
20 ms 185.143.235.253
30 2026-08-24 12:17 639231703815441688
12 ms 185.143.235.253
29 2026-08-24 12:01 639231693747052549
7 ms 185.143.235.253
28 2026-08-24 11:44 639231683712487276
83 ms 185.143.235.253
27 2026-08-24 11:27 639231673513573868
20 ms 185.143.235.253
26 2026-08-24 10:34 639231641791249939
93 ms 185.143.235.253
25 2026-08-24 10:18 639231631866211033
24 ms 185.143.235.253
24 2026-08-24 10:01 639231621644955316
37 ms 185.143.235.253
23 2026-08-24 09:44 639231611478799259
23 ms 185.143.235.253
22 2026-08-24 08:51 639231579923718211
10 ms 185.143.235.253
21 2026-08-24 08:34 639231569810702936
13 ms 185.143.235.253
20 2026-08-24 08:17 639231559762411619
143 ms 185.143.235.253
19 2026-08-24 08:01 639231549663595407
20 ms 185.143.235.253
18 2026-08-24 07:08 639231518076817246
39 ms 185.143.235.253
17 2026-08-24 06:51 639231508078650885
40 ms 185.143.235.253
16 2026-08-24 06:35 639231498210697093
125 ms 185.143.235.253
15 2026-08-24 06:18 639231488109699360
93 ms 185.143.235.253
14 2026-08-24 05:26 639231456772510692
-
13 2026-08-24 05:10 639231447084631185
5 ms 185.143.235.253
12 2026-08-24 04:53 639231437208519473
5 ms 185.143.235.253
11 2026-08-24 04:37 639231427209627490
39 ms 185.143.235.253
10 2026-08-24 03:44 639231395791246644
9 ms 185.143.235.253
9 2026-08-24 03:28 639231386075551458
38 ms 185.143.235.253
8 2026-08-24 03:12 639231376208713791
93 ms 185.143.235.253
7 2026-08-24 02:55 639231366170589276
10 ms 185.143.235.253
6 2026-08-24 02:03 639231334732159368
2009 ms 185.143.235.253
5 2026-08-24 01:46 639231325035670078
102 ms 185.143.235.253
4 2026-08-24 01:30 639231315132253837
-
3 2026-08-24 01:13 639231305014280808
10 ms 185.143.235.253
2 2026-08-24 00:21 639231273779380675
4 ms 185.143.235.253
1 2026-08-24 00:05 639231264180839154
91 ms 185.143.235.253