DNS response history for ns1.tehran-host.com

ns1.tehran-host.com 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 2026-08-21. For this date, NameServerHistory found 73 DNS check records, 72 successful responses, 1 failed responses, and 254 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.tehran-host.com.
Records on Selected Date

73

Historical checks stored for this nameserver on selected date

Average Latency

254 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-21 23:54

All timestamps shown in UTC

Latest Resolved IP on Selected Date

146.19.212.173

Most recently resolved hosting IP on selected date

Successful Responses

72

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

1%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns1.tehran-host.com

Showing DNS history for 2026-08-21 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
73 2026-08-21 23:54 639229527598660841
5 ms 146.19.212.173
72 2026-08-21 23:38 639229517954323214
7 ms 146.19.212.173
71 2026-08-21 23:22 639229508269999021
138 ms 146.19.212.173
70 2026-08-21 23:05 639229498559060171
201 ms 146.19.212.173
69 2026-08-21 22:49 639229488519347586
129 ms 146.19.212.173
68 2026-08-21 21:56 639229456606578934
190 ms 146.19.212.173
67 2026-08-21 21:39 639229446985772499
180 ms 146.19.212.173
66 2026-08-21 21:23 639229437367313098
8 ms 146.19.212.173
65 2026-08-21 21:08 639229427923950391
100 ms 146.19.212.173
64 2026-08-21 20:52 639229418168588854
187 ms 146.19.212.173
63 2026-08-21 20:35 639229408345678334
88 ms 146.19.212.173
62 2026-08-21 20:19 639229398616354648
99 ms 146.19.212.173
61 2026-08-21 20:03 639229388634592323
179 ms 146.19.212.173
60 2026-08-21 19:46 639229378792837692
169 ms 146.19.212.173
59 2026-08-21 19:30 639229369154682311
192 ms 146.19.212.173
58 2026-08-21 19:13 639229359248017926
2130 ms 146.19.212.173
57 2026-08-21 18:56 639229349124294642
177 ms 146.19.212.173
56 2026-08-21 18:04 639229317791715692
182 ms 146.19.212.173
55 2026-08-21 17:48 639229308115194575
169 ms 146.19.212.173
54 2026-08-21 17:32 639229298320320558
211 ms 146.19.212.173
53 2026-08-21 17:16 639229288674863221
185 ms 146.19.212.173
52 2026-08-21 16:59 639229278983677079
9 ms 146.19.212.173
51 2026-08-21 16:43 639229269405517175
156 ms 146.19.212.173
50 2026-08-21 16:27 639229259594798244
126 ms 146.19.212.173
49 2026-08-21 16:11 639229249736681188
181 ms 146.19.212.173
48 2026-08-21 15:54 639229239699417787
23 ms 146.19.212.173
47 2026-08-21 15:37 639229229621964033
136 ms 146.19.212.173
46 2026-08-21 15:20 639229219567270965
175 ms 146.19.212.173
45 2026-08-21 15:04 639229209406666856
129 ms 146.19.212.173
44 2026-08-21 14:11 639229177815876178
24 ms 146.19.212.173
43 2026-08-21 13:55 639229168243572685
19 ms 146.19.212.173
42 2026-08-21 13:39 639229158599856475
214 ms 146.19.212.173
41 2026-08-21 13:23 639229148998940902
118 ms 146.19.212.173
40 2026-08-21 13:07 639229139276923594
2107 ms 146.19.212.173
39 2026-08-21 12:50 639229129709912394
180 ms 146.19.212.173
38 2026-08-21 12:34 639229119801488500
4140 ms 146.19.212.173
37 2026-08-21 12:18 639229110135262458
124 ms 146.19.212.173
36 2026-08-21 12:02 639229100336051392
180 ms 146.19.212.173
35 2026-08-21 11:45 639229090641415626
161 ms 146.19.212.173
34 2026-08-21 11:29 639229080702683947
328 ms 146.19.212.173
33 2026-08-21 11:12 639229070601456699
173 ms 146.19.212.173
32 2026-08-21 10:19 639229038947447232
165 ms 146.19.212.173
31 2026-08-21 10:03 639229029268708773
171 ms 146.19.212.173
30 2026-08-21 09:47 639229019647910603
103 ms 146.19.212.173
29 2026-08-21 09:31 639229009983843738
93 ms 146.19.212.173
28 2026-08-21 09:15 639229000203331882
168 ms 146.19.212.173
27 2026-08-21 08:59 639228990302335999
194 ms 146.19.212.173
26 2026-08-21 08:42 639228980567740722
101 ms 146.19.212.173
25 2026-08-21 08:26 639228970762445174
4 ms 146.19.212.173
24 2026-08-21 08:10 639228961065054445
311 ms 146.19.212.173
23 2026-08-21 07:53 639228951224649885
197 ms 146.19.212.173
22 2026-08-21 07:37 639228941303864592
-
21 2026-08-21 07:20 639228931191328583
157 ms 146.19.212.173
20 2026-08-21 06:27 639228899518173317
4 ms 146.19.212.173
19 2026-08-21 06:11 639228889785027669
178 ms 146.19.212.173
18 2026-08-21 05:55 639228880106330161
88 ms 146.19.212.173
17 2026-08-21 05:38 639228870316184091
177 ms 146.19.212.173
16 2026-08-21 05:22 639228860695366512
155 ms 146.19.212.173
15 2026-08-21 05:06 639228851027209500
3 ms 146.19.212.173
14 2026-08-21 04:50 639228841479265462
118 ms 146.19.212.173
13 2026-08-21 04:34 639228831752962260
181 ms 146.19.212.173
12 2026-08-21 04:18 639228821953295483
140 ms 146.19.212.173
11 2026-08-21 04:02 639228812227429953
256 ms 146.19.212.173
10 2026-08-21 03:45 639228802476107538
195 ms 146.19.212.173
9 2026-08-21 03:29 639228792525492032
234 ms 146.19.212.173
8 2026-08-21 02:36 639228761131421385
101 ms 146.19.212.173
7 2026-08-21 02:20 639228751571206692
173 ms 146.19.212.173
6 2026-08-21 02:04 639228741705571019
150 ms 146.19.212.173
5 2026-08-21 01:47 639228731642208228
142 ms 146.19.212.173
4 2026-08-21 00:55 639228700387002072
199 ms 146.19.212.173
3 2026-08-21 00:39 639228690742014433
149 ms 146.19.212.173
2 2026-08-21 00:23 639228680877937122
136 ms 146.19.212.173
1 2026-08-21 00:06 639228670775860800
221 ms 146.19.212.173