DNS response history for ns201.surbl.com

ns201.surbl.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 34 DNS check records, 33 successful responses, 1 failed responses, and 31 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 ns201.surbl.com.
Records on Selected Date

34

Historical checks stored for this nameserver on selected date

Average Latency

31 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 14:03

All timestamps shown in UTC

Latest Resolved IP on Selected Date

192.42.119.21

Most recently resolved hosting IP on selected date

Successful Responses

33

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

3%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for ns201.surbl.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
34 2026-08-24 14:03 639231765923559455
15 ms 192.42.119.21
33 2026-08-24 13:46 639231755868832964
19 ms 192.42.119.21
32 2026-08-24 13:29 639231745628278877
8 ms 192.42.119.21
31 2026-08-24 13:12 639231735407682062
59 ms 192.42.119.21
30 2026-08-24 12:19 639231703815441688
-
29 2026-08-24 12:03 639231693747052549
31 ms 192.42.119.21
28 2026-08-24 11:46 639231683712487276
3 ms 192.42.119.21
27 2026-08-24 11:29 639231673513573868
39 ms 192.42.119.21
26 2026-08-24 10:36 639231641791249939
6 ms 192.42.119.21
25 2026-08-24 10:19 639231631866211033
20 ms 192.42.119.21
24 2026-08-24 10:02 639231621644955316
16 ms 192.42.119.21
23 2026-08-24 09:45 639231611478799259
15 ms 192.42.119.21
22 2026-08-24 08:53 639231579923718211
25 ms 192.42.119.21
21 2026-08-24 08:36 639231569810702936
16 ms 192.42.119.21
20 2026-08-24 08:19 639231559762411619
3 ms 192.42.119.21
19 2026-08-24 08:02 639231549663595407
8 ms 192.42.119.21
18 2026-08-24 07:10 639231518076817246
41 ms 192.42.119.21
17 2026-08-24 06:53 639231508078650885
27 ms 192.42.119.21
16 2026-08-24 06:37 639231498210697093
36 ms 192.42.119.21
15 2026-08-24 06:20 639231488109699360
33 ms 192.42.119.21
14 2026-08-24 05:28 639231456772510692
37 ms 192.42.119.21
13 2026-08-24 05:12 639231447084631185
39 ms 192.42.119.21
12 2026-08-24 04:55 639231437208519473
88 ms 192.42.119.21
11 2026-08-24 04:38 639231427209627490
14 ms 192.42.119.21
10 2026-08-24 03:46 639231395791246644
30 ms 192.42.119.21
9 2026-08-24 03:30 639231386075551458
7 ms 192.42.119.21
8 2026-08-24 03:13 639231376208713791
121 ms 192.42.119.21
7 2026-08-24 02:57 639231366170589276
128 ms 192.42.119.21
6 2026-08-24 02:04 639231334732159368
25 ms 192.42.119.21
5 2026-08-24 01:48 639231325035670078
14 ms 192.42.119.21
4 2026-08-24 01:31 639231315132253837
26 ms 192.42.119.21
3 2026-08-24 01:15 639231305014280808
15 ms 192.42.119.21
2 2026-08-24 00:23 639231273779380675
46 ms 192.42.119.21
1 2026-08-24 00:07 639231264180839154
15 ms 192.42.119.21