DNS response history for ns1.smartbooks-bg.com

ns1.smartbooks-bg.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 22 DNS check records, 22 successful responses, 0 failed responses, and 384 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 ns1.smartbooks-bg.com.
Records on Selected Date

22

Historical checks stored for this nameserver on selected date

Average Latency

384 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-24 08:55

All timestamps shown in UTC

Latest Resolved IP on Selected Date

213.91.183.21

Most recently resolved hosting IP on selected date

Successful Responses

22

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 ns1.smartbooks-bg.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
22 2026-08-24 08:55 639231579923718211
3 ms 213.91.183.21
21 2026-08-24 08:38 639231569810702936
1587 ms 213.91.183.21
20 2026-08-24 08:21 639231559762411619
67 ms 213.91.183.21
19 2026-08-24 08:05 639231549663595407
58 ms 213.91.183.21
18 2026-08-24 07:12 639231518076817246
74 ms 213.91.183.21
17 2026-08-24 06:56 639231508078650885
75 ms 213.91.183.21
16 2026-08-24 06:39 639231498210697093
70 ms 213.91.183.21
15 2026-08-24 06:22 639231488109699360
3 ms 213.91.183.21
14 2026-08-24 05:30 639231456772510692
7 ms 213.91.183.21
13 2026-08-24 05:14 639231447084631185
70 ms 213.91.183.21
12 2026-08-24 04:57 639231437208519473
55 ms 213.91.183.21
11 2026-08-24 04:41 639231427209627490
45 ms 213.91.183.21
10 2026-08-24 03:48 639231395791246644
2009 ms 213.91.183.21
9 2026-08-24 03:32 639231386075551458
504 ms 213.91.183.21
8 2026-08-24 03:16 639231376208713791
8 ms 213.91.183.21
7 2026-08-24 02:59 639231366170589276
3 ms 213.91.183.21
6 2026-08-24 02:07 639231334732159368
8 ms 213.91.183.21
5 2026-08-24 01:50 639231325035670078
2 ms 213.91.183.21
4 2026-08-24 01:34 639231315132253837
76 ms 213.91.183.21
3 2026-08-24 01:17 639231305014280808
44 ms 213.91.183.21
2 2026-08-24 00:25 639231273779380675
41 ms 213.91.183.21
1 2026-08-24 00:09 639231264180839154
3629 ms 213.91.183.21