ostuda.com - dns.ninja

`ostuda.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:4ae:c605:dd5d:b838:5816:d7fb^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:4ae:c606:78d4:4260:db4e:aeee^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	13.223.25.84^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
A	54.243.117.197^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
NS	`ns1.namebrightdns.com` ⭐
		A	2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.89.42.183^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-89-42-183.compute-1.amazonaws.com`
		A	100.58.124.42^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
			PTR	`ec2-100-58-124-42.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4f4e:999e:923d:5c17^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:9752:5582:575b:8223^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:9b5a:7d38:2d23:6714^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:53a5:7e50:1f55:7b6f^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.93.61.140^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-93-61-140.compute-1.amazonaws.com`
		A	54.152.124.255^{🇺🇸 Amazon54.152.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-152-124-255.compute-1.amazonaws.com`
		A	100.27.188.59^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
			PTR	`ec2-100-27-188-59.compute-1.amazonaws.com`
		A	174.129.117.232^{🇺🇸 Amazon174.129.0.0/16 Execution Services}
			PTR	`ec2-174-129-117-232.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:1ff8:84b4:19de:5ca6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:18c:37a5:651d:7bdc^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:ac3c:fcfb:521d:2fd5^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:ed3d:ef92:9331:4834^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.162.235.48^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-162-235-48.compute-1.amazonaws.com`
		A	54.221.37.2^{🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-221-37-2.compute-1.amazonaws.com`
		A	54.235.53.129^{🇺🇸 Amazon54.234.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-235-53-129.compute-1.amazonaws.com`
		A	98.81.59.131^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-81-59-131.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-08 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1786175004

Same first word

ostuda.net

ostuda.com

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DNS History

13 records (7 active, 6 former)

○NSns.buydomains.com2008-03-19 → 2016-10-16 · 4 obs

● 2008-03-19 07:21:24
● 2016-10-16 01:10:24
○ 2026-02-15 16:32:42
○ 2026-08-08 08:03:58

●NSns1.namebrightdns.com2026-02-15 → 2026-08-08 · 3 obs

○ 2016-10-16 01:10:24
● 2026-02-15 16:32:42
● 2026-08-08 08:03:58

●NSnsg1.namebrightdns.com2026-02-15 → 2026-08-08 · 3 obs

○ 2016-10-16 01:10:24
● 2026-02-15 16:32:42
● 2026-08-08 08:03:58

●NSnsg2.namebrightdns.com2026-02-15 → 2026-08-08 · 3 obs

○ 2016-10-16 01:10:24
● 2026-02-15 16:32:42
● 2026-08-08 08:03:58

○NSthis-domain-for-sale.com2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 07:21:24
○ 2015-06-03 10:33:54
○ 2026-08-08 08:03:58

○MXdev.null2008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 07:21:24
○ 2015-06-03 10:33:54
○ 2026-08-08 08:03:58

●A13.223.25.842026-02-15 → 2026-08-08 · 3 obs

○ 2016-10-16 01:10:24
● 2026-02-15 16:32:42
● 2026-08-08 08:03:58

○A207.148.248.1432015-10-18 → 2016-10-16 · 5 obs

○ 2015-06-03 10:33:54
● 2015-10-18 03:33:04
● 2016-10-16 01:10:24
○ 2026-02-15 16:32:42
○ 2026-08-08 08:03:58

○A208.254.26.1322008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 07:21:24
○ 2015-06-03 10:33:54
○ 2026-08-08 08:03:58

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-15 → 2026-08-08 · 3 obs

○ 2016-10-16 01:10:24
● 2026-02-15 16:32:42
● 2026-08-08 08:03:58

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-15 → 2026-08-08 · 3 obs

○ 2016-10-16 01:10:24
● 2026-02-15 16:32:42
● 2026-08-08 08:03:58

○A50.63.202.1042015-06-03 → 2015-06-03 · 4 obs

○ 2008-03-19 07:21:24
● 2015-06-03 10:33:54
○ 2015-10-18 03:33:04
○ 2026-08-08 08:03:58

●A54.243.117.1972026-02-15 → 2026-08-08 · 3 obs

○ 2016-10-16 01:10:24
● 2026-02-15 16:32:42
● 2026-08-08 08:03:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net...	-
ostuda.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	16 records

✅ Authoritative Response

Server:100.27.188.59

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ostuda.com (unsigned zone)

⏱️ Timing

Total: 263ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.243.117.197, 13.223.25.84`
AAAA	2	`2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb`
NS	2	`nsg1.namebrightdns.com, nsg2.namebrightdns.com`
TXT	2	`afternic-verification-G9G3tM8T8EwEizzPzj, v=spf1 -all`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 16

Out-of-bailiwick: 16 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

ostuda.com directs to four IP numbers, which are 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.

gtbohai.com, owassoinsurance.com, qparts.net plus two other host names have IP numbers in common with ostuda.com.

Name Servers

ostuda.com carries NS records delegating to ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

At least some of ostuda.com's name servers are shared with other domains, for example 50-57-151-121.static.cloud-ips.com, 174-143-171-157.static.cloud-ips.com, ns-linux1.zhuji91.com and two more.

It is common for these name servers to be used in conjunction with the name servers domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and ns2.namebrightdns.com.

Hosts with 8 IP addresses each:

nsg1.namebrightdns.com resolves to 3.93.61.140, 54.152.124.255 and 100.27.188.59 among others, with 5 other IP addresses in total.

nsg2.namebrightdns.com resolves to 54.162.235.48, 54.221.37.2 and 54.235.53.129 among others, with 5 other IP addresses in total.

Host names carrying three IP numbers:

The hostname ns1.namebrightdns.com points to 3.89.42.183, 100.58.124.42 and 2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6.