DNS response history for ns21.columbus-networks.com

ns21.columbus-networks.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 2026-08-24. For this date, NameServerHistory found 30 DNS check records, 30 successful responses, 0 failed responses, and 250 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 ns21.columbus-networks.com.
Records on Selected Date

30

Historical checks stored for this nameserver on selected date

Average Latency

250 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 12:22

All timestamps shown in UTC

Latest Resolved IP on Selected Date

190.242.49.4

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 ns21.columbus-networks.com

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
30 2026-08-24 12:22 639231703815441688
313 ms 190.242.49.4
29 2026-08-24 12:05 639231693747052549
308 ms 190.242.49.4
28 2026-08-24 11:49 639231683712487276
316 ms 190.242.49.4
27 2026-08-24 11:32 639231673513573868
142 ms 190.242.49.4
26 2026-08-24 10:39 639231641791249939
132 ms 190.242.49.4
25 2026-08-24 10:22 639231631866211033
300 ms 190.242.49.4
24 2026-08-24 10:05 639231621644955316
320 ms 190.242.49.4
23 2026-08-24 09:48 639231611478799259
246 ms 190.242.49.4
22 2026-08-24 08:56 639231579923718211
150 ms 190.242.49.4
21 2026-08-24 08:39 639231569810702936
154 ms 190.242.49.4
20 2026-08-24 08:22 639231559762411619
370 ms 190.242.49.4
19 2026-08-24 08:05 639231549663595407
366 ms 190.242.49.4
18 2026-08-24 07:13 639231518076817246
318 ms 190.242.49.4
17 2026-08-24 06:56 639231508078650885
381 ms 190.242.49.4
16 2026-08-24 06:40 639231498210697093
152 ms 190.242.49.4
15 2026-08-24 06:23 639231488109699360
243 ms 190.242.49.4
14 2026-08-24 05:31 639231456772510692
189 ms 190.242.49.4
13 2026-08-24 05:14 639231447084631185
265 ms 190.242.49.4
12 2026-08-24 04:58 639231437208519473
169 ms 190.242.49.4
11 2026-08-24 04:41 639231427209627490
185 ms 190.242.49.4
10 2026-08-24 03:49 639231395791246644
276 ms 190.242.49.4
9 2026-08-24 03:33 639231386075551458
222 ms 190.242.49.4
8 2026-08-24 03:16 639231376208713791
168 ms 190.242.49.4
7 2026-08-24 03:00 639231366170589276
172 ms 190.242.49.4
6 2026-08-24 02:07 639231334732159368
262 ms 190.242.49.4
5 2026-08-24 01:51 639231325035670078
263 ms 190.242.49.4
4 2026-08-24 01:34 639231315132253837
120 ms 190.242.49.4
3 2026-08-24 01:18 639231305014280808
426 ms 190.242.49.4
2 2026-08-24 00:25 639231273779380675
254 ms 190.242.49.4
1 2026-08-24 00:10 639231264180839154
323 ms 190.242.49.4