DNS response history for extdns01.szcz-inc.com

extdns01.szcz-inc.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 54 DNS check records, 54 successful responses, 0 failed responses, and 654 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 extdns01.szcz-inc.com.
Records on Selected Date

54

Historical checks stored for this nameserver on selected date

Average Latency

654 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 22:50

All timestamps shown in UTC

Latest Resolved IP on Selected Date

75.151.80.137

Most recently resolved hosting IP on selected date

Successful Responses

54

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 extdns01.szcz-inc.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
54 2026-08-24 22:50 639232077430823987
756 ms 75.151.80.137
53 2026-08-24 22:33 639232067340513033
2143 ms 75.151.80.137
52 2026-08-24 22:16 639232057157944387
313 ms 75.151.80.137
51 2026-08-24 22:00 639232046895282144
313 ms 75.151.80.137
50 2026-08-24 21:06 639232014356623395
334 ms 75.151.80.137
49 2026-08-24 20:48 639232004177831322
1121 ms 75.151.80.137
48 2026-08-24 20:31 639231993997863976
321 ms 75.151.80.137
47 2026-08-24 20:14 639231983967363696
471 ms 75.151.80.137
46 2026-08-24 19:22 639231952257842845
3 ms 75.151.80.137
45 2026-08-24 19:05 639231942277816756
3 ms 75.151.80.137
44 2026-08-24 18:48 639231932094180724
1079 ms 75.151.80.137
43 2026-08-24 18:31 639231922041034838
313 ms 75.151.80.137
42 2026-08-24 17:38 639231890488117536
341 ms 75.151.80.137
41 2026-08-24 17:22 639231880574255543
4 ms 75.151.80.137
40 2026-08-24 17:05 639231870418029045
1079 ms 75.151.80.137
39 2026-08-24 16:48 639231860258429562
312 ms 75.151.80.137
38 2026-08-24 15:55 639231828211839931
492 ms 75.151.80.137
37 2026-08-24 15:38 639231818080917481
932 ms 75.151.80.137
36 2026-08-24 15:21 639231807961539652
462 ms 75.151.80.137
35 2026-08-24 15:04 639231797631669865
320 ms 75.151.80.137
34 2026-08-24 14:11 639231765923559455
466 ms 75.151.80.137
33 2026-08-24 13:54 639231755868832964
315 ms 75.151.80.137
32 2026-08-24 13:37 639231745628278877
477 ms 75.151.80.137
31 2026-08-24 13:20 639231735407682062
771 ms 75.151.80.137
30 2026-08-24 12:27 639231703815441688
319 ms 75.151.80.137
29 2026-08-24 12:11 639231693747052549
1062 ms 75.151.80.137
28 2026-08-24 11:54 639231683712487276
1526 ms 75.151.80.137
27 2026-08-24 11:37 639231673513573868
7 ms 75.151.80.137
26 2026-08-24 10:44 639231641791249939
158 ms 75.151.80.137
25 2026-08-24 10:27 639231631866211033
498 ms 75.151.80.137
24 2026-08-24 10:11 639231621644955316
955 ms 75.151.80.137
23 2026-08-24 09:54 639231611478799259
314 ms 75.151.80.137
22 2026-08-24 09:01 639231579923718211
325 ms 75.151.80.137
21 2026-08-24 08:44 639231569810702936
911 ms 75.151.80.137
20 2026-08-24 08:27 639231559762411619
1246 ms 75.151.80.137
19 2026-08-24 08:11 639231549663595407
2051 ms 75.151.80.137
18 2026-08-24 07:18 639231518076817246
380 ms 75.151.80.137
17 2026-08-24 07:01 639231508078650885
898 ms 75.151.80.137
16 2026-08-24 06:45 639231498210697093
3517 ms 75.151.80.137
15 2026-08-24 06:28 639231488109699360
468 ms 75.151.80.137
14 2026-08-24 05:36 639231456772510692
420 ms 75.151.80.137
13 2026-08-24 05:19 639231447084631185
328 ms 75.151.80.137
12 2026-08-24 05:03 639231437208519473
313 ms 75.151.80.137
11 2026-08-24 04:46 639231427209627490
1221 ms 75.151.80.137
10 2026-08-24 03:54 639231395791246644
160 ms 75.151.80.137
9 2026-08-24 03:38 639231386075551458
4 ms 75.151.80.137
8 2026-08-24 03:21 639231376208713791
159 ms 75.151.80.137
7 2026-08-24 03:05 639231366170589276
2751 ms 75.151.80.137
6 2026-08-24 02:12 639231334732159368
314 ms 75.151.80.137
5 2026-08-24 01:56 639231325035670078
461 ms 75.151.80.137
4 2026-08-24 01:40 639231315132253837
461 ms 75.151.80.137
3 2026-08-24 01:23 639231305014280808
311 ms 75.151.80.137
2 2026-08-24 00:30 639231273779380675
160 ms 75.151.80.137
1 2026-08-24 00:14 639231264180839154
470 ms 75.151.80.137