DNS response history for 221.ns.free

221.ns.free 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 2026-09-15. For this date, NameServerHistory found 68 DNS check records, 65 successful responses, 3 failed responses, and 162 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 221.ns.free.
Records on Selected Date

68

Historical checks stored for this nameserver on selected date

Average Latency

162 ms

Calculated from available response records

Latest Check on Selected Date

2026-09-15 23:59

All timestamps shown in UTC

Latest Resolved IP on Selected Date

217.31.50.221

Most recently resolved hosting IP on selected date

Successful Responses

65

Checks that returned a measurable response

Failed Responses

3

Checks with no response or no returned latency

Failure Rate

4%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for 221.ns.free

Showing DNS history for 2026-09-15 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
68 2026-09-15 23:59 639251131530347519
21 ms 217.31.50.221
67 2026-09-15 23:40 639251120659982862
15 ms 217.31.50.221
66 2026-09-15 23:22 639251109600906525
36 ms 217.31.50.221
65 2026-09-15 22:28 639251077330336870
32 ms 217.31.50.221
64 2026-09-15 22:10 639251066642339547
23 ms 217.31.50.221
63 2026-09-15 21:52 639251055835720656
64 ms 217.31.50.221
62 2026-09-15 21:34 639251045081571679
21 ms 217.31.50.221
61 2026-09-15 21:16 639251034244692094
50 ms 217.31.50.221
60 2026-09-15 20:58 639251023434638807
15 ms 217.31.50.221
59 2026-09-15 20:40 639251012453306514
17 ms 217.31.50.221
58 2026-09-15 20:22 639251001530394937
-
57 2026-09-15 20:04 639250990826574130
18 ms 217.31.50.221
56 2026-09-15 19:46 639250979922324570
2041 ms 217.31.50.221
55 2026-09-15 19:27 639250968760997325
23 ms 217.31.50.221
54 2026-09-15 19:09 639250957710260981
40 ms 217.31.50.221
53 2026-09-15 18:14 639250924741805981
459 ms 217.31.50.221
52 2026-09-15 17:56 639250913778546952
80 ms 217.31.50.221
51 2026-09-15 17:38 639250902895719756
51 ms 217.31.50.221
50 2026-09-15 17:19 639250891997713272
59 ms 217.31.50.221
49 2026-09-15 17:01 639250881234469965
75 ms 217.31.50.221
48 2026-09-15 16:43 639250870068580033
34 ms 217.31.50.221
47 2026-09-15 16:25 639250859033173846
19 ms 217.31.50.221
46 2026-09-15 16:06 639250848105639873
46 ms 217.31.50.221
45 2026-09-15 15:48 639250837119465627
21 ms 217.31.50.221
44 2026-09-15 15:30 639250826192033331
16 ms 217.31.50.221
43 2026-09-15 15:11 639250815142227610
2234 ms 217.31.50.221
42 2026-09-15 14:53 639250803988642350
31 ms 217.31.50.221
41 2026-09-15 13:58 639250771424984311
20 ms 217.31.50.221
40 2026-09-15 13:40 639250760418563414
26 ms 217.31.50.221
39 2026-09-15 13:22 639250749437017948
29 ms 217.31.50.221
38 2026-09-15 13:04 639250738639972910
23 ms 217.31.50.221
37 2026-09-15 12:46 639250727884177214
21 ms 217.31.50.221
36 2026-09-15 12:28 639250717078083131
47 ms 217.31.50.221
35 2026-09-15 12:09 639250706080117593
14 ms 217.31.50.221
34 2026-09-15 11:51 639250695211146648
11 ms 217.31.50.221
33 2026-09-15 11:33 639250684369907316
50 ms 217.31.50.221
32 2026-09-15 11:15 639250673485741656
93 ms 217.31.50.221
31 2026-09-15 10:57 639250662402276662
126 ms 217.31.50.221
30 2026-09-15 10:38 639250651402601408
19 ms 217.31.50.221
29 2026-09-15 09:43 639250618111835166
28 ms 217.31.50.221
28 2026-09-15 09:25 639250607512821394
14 ms 217.31.50.221
27 2026-09-15 09:07 639250596692164112
-
26 2026-09-15 08:49 639250585928461190
21 ms 217.31.50.221
25 2026-09-15 08:31 639250574938948670
192 ms 217.31.50.221
24 2026-09-15 08:13 639250563943163693
34 ms 217.31.50.221
23 2026-09-15 07:55 639250553105699294
2138 ms 217.31.50.221
22 2026-09-15 07:37 639250542467859081
31 ms 217.31.50.221
21 2026-09-15 07:19 639250531546571308
34 ms 217.31.50.221
20 2026-09-15 07:00 639250520709762320
178 ms 217.31.50.221
19 2026-09-15 06:42 639250509686929792
44 ms 217.31.50.221
18 2026-09-15 06:24 639250498659187896
38 ms 217.31.50.221
17 2026-09-15 05:30 639250466301392555
142 ms 217.31.50.221
16 2026-09-15 05:12 639250455811527534
797 ms 217.31.50.221
15 2026-09-15 04:55 639250445300588856
10 ms 217.31.50.221
14 2026-09-15 04:37 639250434837086211
39 ms 217.31.50.221
13 2026-09-15 04:20 639250424131017723
-
12 2026-09-15 04:03 639250413994247683
383 ms 217.31.50.221
11 2026-09-15 03:45 639250403257117495
29 ms 217.31.50.221
10 2026-09-15 03:27 639250392795672632
20 ms 217.31.50.221
9 2026-09-15 03:10 639250382145272762
16 ms 217.31.50.221
8 2026-09-15 02:52 639250371411068391
9 ms 217.31.50.221
7 2026-09-15 02:34 639250360786077072
17 ms 217.31.50.221
6 2026-09-15 02:16 639250349967676329
21 ms 217.31.50.221
5 2026-09-15 01:22 639250317487607127
79 ms 217.31.50.221
4 2026-09-15 01:04 639250307111551186
22 ms 217.31.50.221
3 2026-09-15 00:47 639250296472619972
111 ms 217.31.50.221
2 2026-09-15 00:29 639250285988965030
22 ms 217.31.50.221
1 2026-09-15 00:12 639250275526896602
29 ms 217.31.50.221