DNS response history for ns4.mathsched.com

ns4.mathsched.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 2026-08-29. For this date, NameServerHistory found 49 DNS check records, 49 successful responses, 0 failed responses, and 152 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 ns4.mathsched.com.
Records on Selected Date

49

Historical checks stored for this nameserver on selected date

Average Latency

152 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-29 16:43

All timestamps shown in UTC

Latest Resolved IP on Selected Date

99.83.147.209

Most recently resolved hosting IP on selected date

Successful Responses

49

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 ns4.mathsched.com

Showing DNS history for 2026-08-29 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
49 2026-08-29 16:43 639236181773042179
17 ms 99.83.147.209
48 2026-08-29 16:27 639236171632735061
24 ms 99.83.147.209
47 2026-08-29 16:09 639236161347015414
11 ms 99.83.147.209
46 2026-08-29 15:52 639236151200362098
21 ms 99.83.147.209
45 2026-08-29 15:35 639236141026805328
25 ms 99.83.147.209
44 2026-08-29 15:19 639236131100930722
2223 ms 99.83.147.209
43 2026-08-29 15:02 639236120950030411
12 ms 99.83.147.209
42 2026-08-29 14:45 639236110532007205
22 ms 99.83.147.209
41 2026-08-29 14:27 639236100176958860
24 ms 99.83.147.209
40 2026-08-29 13:34 639236068470247956
19 ms 99.83.147.209
39 2026-08-29 13:18 639236058468679452
14 ms 99.83.147.209
38 2026-08-29 13:01 639236048317337090
22 ms 99.83.147.209
37 2026-08-29 12:44 639236038221169202
18 ms 99.83.147.209
36 2026-08-29 12:27 639236028175589918
27 ms 99.83.147.209
35 2026-08-29 12:10 639236017965421028
13 ms 99.83.147.209
34 2026-08-29 11:53 639236007792625266
24 ms 99.83.147.209
33 2026-08-29 11:36 639235997602806960
30 ms 99.83.147.209
32 2026-08-29 11:20 639235987487833458
20 ms 99.83.147.209
31 2026-08-29 11:03 639235977211002296
25 ms 99.83.147.209
30 2026-08-29 10:45 639235966864596836
27 ms 99.83.147.209
29 2026-08-29 10:28 639235956590882003
21 ms 99.83.147.209
28 2026-08-29 09:35 639235924465736791
50 ms 99.83.147.209
27 2026-08-29 09:18 639235914430611197
18 ms 99.83.147.209
26 2026-08-29 09:01 639235904343784853
33 ms 99.83.147.209
25 2026-08-29 08:44 639235894201078068
13 ms 99.83.147.209
24 2026-08-29 08:27 639235884233447452
24 ms 99.83.147.209
23 2026-08-29 08:11 639235874142207309
35 ms 99.83.147.209
22 2026-08-29 07:54 639235863974652466
33 ms 99.83.147.209
21 2026-08-29 07:37 639235853716243436
28 ms 99.83.147.209
20 2026-08-29 07:20 639235843614494759
12 ms 99.83.147.209
19 2026-08-29 07:03 639235833401459551
50 ms 99.83.147.209
18 2026-08-29 06:46 639235823220464528
27 ms 99.83.147.209
17 2026-08-29 06:29 639235812997510905
20 ms 99.83.147.209
16 2026-08-29 05:35 639235781101962521
38 ms 99.83.147.209
15 2026-08-29 05:19 639235771207673260
11 ms 99.83.147.209
14 2026-08-29 05:02 639235761047429642
18 ms 99.83.147.209
13 2026-08-29 04:45 639235750964347246
38 ms 99.83.147.209
12 2026-08-29 04:28 639235740923490874
44 ms 99.83.147.209
11 2026-08-29 04:12 639235730842894399
28 ms 99.83.147.209
10 2026-08-29 03:55 639235720760084717
21 ms 99.83.147.209
9 2026-08-29 03:38 639235710843666743
13 ms 99.83.147.209
8 2026-08-29 03:21 639235700733510561
2034 ms 99.83.147.209
7 2026-08-29 03:05 639235690509906192
77 ms 99.83.147.209
6 2026-08-29 02:47 639235680156673501
25 ms 99.83.147.209
5 2026-08-29 02:30 639235669720606443
2044 ms 99.83.147.209
4 2026-08-29 01:36 639235637451417084
22 ms 99.83.147.209
3 2026-08-29 01:19 639235627307383453
21 ms 99.83.147.209
2 2026-08-29 01:02 639235616906386856
22 ms 99.83.147.209
1 2026-08-29 00:45 639235606582912691
23 ms 99.83.147.209