DNS response history for ns1.us1021.siteground.us

ns1.us1021.siteground.us 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 2026-08-27. For this date, NameServerHistory found 22 DNS check records, 22 successful responses, 0 failed responses, and 490 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.us1021.siteground.us.
Records on Selected Date

22

Historical checks stored for this nameserver on selected date

Average Latency

490 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-27 06:48

All timestamps shown in UTC

Latest Resolved IP on Selected Date

75.2.77.104

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.us1021.siteground.us

Showing DNS history for 2026-08-27 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 2026-08-27 06:48 639234096905435724
29 ms 75.2.77.104
21 2026-08-27 06:31 639234086579410775
2077 ms 75.2.77.104
20 2026-08-27 06:13 639234076291157956
2219 ms 75.2.77.104
19 2026-08-27 05:56 639234065981939454
2017 ms 75.2.77.104
18 2026-08-27 05:39 639234055548642997
88 ms 75.2.77.104
17 2026-08-27 05:22 639234045267979603
22 ms 75.2.77.104
16 2026-08-27 05:05 639234034999717463
19 ms 75.2.77.104
15 2026-08-27 04:48 639234024739225358
12 ms 75.2.77.104
14 2026-08-27 04:30 639234014311170162
2008 ms 75.2.77.104
13 2026-08-27 04:13 639234003806017640
7 ms 75.2.77.104
12 2026-08-27 03:55 639233993356203030
30 ms 75.2.77.104
11 2026-08-27 03:02 639233961301716608
20 ms 75.2.77.104
10 2026-08-27 02:45 639233950834200647
65 ms 75.2.77.104
9 2026-08-27 02:27 639233940431849026
11 ms 75.2.77.104
8 2026-08-27 02:10 639233930110596398
19 ms 75.2.77.104
7 2026-08-27 01:53 639233919705434540
28 ms 75.2.77.104
6 2026-08-27 01:35 639233909452807845
14 ms 75.2.77.104
5 2026-08-27 01:18 639233899096420820
2041 ms 75.2.77.104
4 2026-08-27 01:01 639233888707824939
9 ms 75.2.77.104
3 2026-08-27 00:44 639233878461203802
22 ms 75.2.77.104
2 2026-08-27 00:26 639233868060868209
12 ms 75.2.77.104
1 2026-08-27 00:09 639233857450922991
17 ms 75.2.77.104