DNS response history for sdns99.ultradns.biz

sdns99.ultradns.biz 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 2026-08-28. For this date, NameServerHistory found 26 DNS check records, 25 successful responses, 1 failed responses, and 175 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 sdns99.ultradns.biz.
Records on Selected Date

26

Historical checks stored for this nameserver on selected date

Average Latency

175 ms

Calculated from available response records

Latest Check on Selected Date

2026-08-28 10:54

All timestamps shown in UTC

Latest Resolved IP on Selected Date

156.154.142.99

Most recently resolved hosting IP on selected date

Successful Responses

25

Checks that returned a measurable response

Failed Responses

1

Checks with no response or no returned latency

Failure Rate

4%

Based on the selected date history

Selected Date Status

Responsive

At least one successful response exists on selected date

History for sdns99.ultradns.biz

Showing DNS history for 2026-08-28 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
26 2026-08-28 10:54 639235111428014262
11 ms 156.154.142.99
25 2026-08-28 10:36 639235100921813626
10 ms 156.154.142.99
24 2026-08-28 09:42 639235068670703481
11 ms 156.154.142.99
23 2026-08-28 09:25 639235058337459445
13 ms 156.154.142.99
22 2026-08-28 09:08 639235047825109146
17 ms 156.154.142.99
21 2026-08-28 08:50 639235037383229033
51 ms 156.154.142.99
20 2026-08-28 07:57 639235005619242711
10 ms 156.154.142.99
19 2026-08-28 07:40 639234995310346584
16 ms 156.154.142.99
18 2026-08-28 07:23 639234984946548933
7 ms 156.154.142.99
17 2026-08-28 07:06 639234974608077290
11 ms 156.154.142.99
16 2026-08-28 06:12 639234942529845595
11 ms 156.154.142.99
15 2026-08-28 05:55 639234932259126627
9 ms 156.154.142.99
14 2026-08-28 05:38 639234921916735988
9 ms 156.154.142.99
13 2026-08-28 05:20 639234911470038027
10 ms 156.154.142.99
12 2026-08-28 04:27 639234879588411654
4019 ms 156.154.142.99
11 2026-08-28 04:10 639234869341589104
9 ms 156.154.142.99
10 2026-08-28 03:53 639234859012216675
-
9 2026-08-28 03:36 639234848695364934
31 ms 156.154.142.99
8 2026-08-28 02:43 639234816952458162
8 ms 156.154.142.99
7 2026-08-28 02:26 639234806773081598
18 ms 156.154.142.99
6 2026-08-28 02:08 639234796382955255
28 ms 156.154.142.99
5 2026-08-28 01:51 639234786015782563
10 ms 156.154.142.99
4 2026-08-28 00:58 639234753811917646
12 ms 156.154.142.99
3 2026-08-28 00:41 639234743739767811
15 ms 156.154.142.99
2 2026-08-28 00:23 639234733372362811
22 ms 156.154.142.99
1 2026-08-28 00:06 639234723048550337
11 ms 156.154.142.99