`yzstu.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:8b2d:453e:ca75:106e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:d983:d58b:b3c:735f^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.158.44.245^{🇺🇸 Amazon54.156.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-158-44-245.compute-1.amazonaws.com`
		A	107.20.46.211^{🇺🇸 Amazon107.20.0.0/16 EC2 Prefix}
			PTR	`ec2-107-20-46-211.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4ff7:d08c:cffa:8e2c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:a6e6:411e:8d1e:b22c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:97d:2f7d:b5ec:a3b1^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:35a3:92d6:50d7:5279^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:4998:887:9b75:86c8^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.80.255.88^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-80-255-88.compute-1.amazonaws.com`
		A	54.90.189.54^{🇺🇸 Amazon54.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-90-189-54.compute-1.amazonaws.com`
		A	54.156.72.40^{🇺🇸 Amazon54.156.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-156-72-40.compute-1.amazonaws.com`
		A	54.242.24.142^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-242-24-142.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:29d5:28f1:d92c:9fc9^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:c548:5ab4:bcc8:7954^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:dc99:5062:557a:d433^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	50.16.74.14^{🇺🇸 Amazon50.16.0.0/16 EC2 IAD prefix}
			PTR	`ec2-50-16-74-14.compute-1.amazonaws.com`
		A	52.54.183.32^{🇺🇸 Amazon52.54.0.0/15 EC2 Region prefix}
			PTR	`ec2-52-54-183-32.compute-1.amazonaws.com`
		A	54.242.146.158^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-242-146-158.compute-1.amazonaws.com`
		A	100.27.205.48^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
			PTR	`ec2-100-27-205-48.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-04-21 #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=1776780092

Subdomains

www.yzstu.com

Same first word

yzstu.com

Similar names

zystu.com

tszyu.com

stuzy.com

tsuzy.com

DNS History

15 records (7 active, 8 former)

○NSf1g1ns1.dnspod.net2015-08-05 → 2016-03-21 · 4 obs

● 2015-08-05 12:31:34
● 2016-03-21 20:49:16
○ 2016-07-19 11:28:42
○ 2026-04-21 14:03:04

○NSf1g1ns2.dnspod.net2015-12-01 → 2016-03-21 · 5 obs

○ 2015-08-05 12:31:34
● 2015-12-01 04:02:48
● 2016-03-21 20:49:16
○ 2016-07-19 11:28:42
○ 2026-04-21 14:03:04

○NSns1.alidns.com2016-07-19 → 2016-07-19 · 4 obs

○ 2016-03-21 20:49:16
● 2016-07-19 11:28:42
○ 2026-04-10 14:26:30
○ 2026-04-21 14:03:04

●NSns1.namebrightdns.com2026-04-10 → 2026-04-21 · 3 obs

○ 2016-07-19 11:28:42
● 2026-04-10 14:26:30
● 2026-04-21 14:03:04

○NSns2.alidns.com2016-07-19 → 2016-07-19 · 4 obs

○ 2016-03-21 20:49:16
● 2016-07-19 11:28:42
○ 2026-04-10 14:26:30
○ 2026-04-21 14:03:04

●NSnsg1.namebrightdns.com2026-04-10 → 2026-04-21 · 3 obs

○ 2016-07-19 11:28:42
● 2026-04-10 14:26:30
● 2026-04-21 14:03:04

●NSnsg2.namebrightdns.com2026-04-10 → 2026-04-21 · 3 obs

○ 2016-07-19 11:28:42
● 2026-04-10 14:26:30
● 2026-04-21 14:03:04

○MXmxdomain.qq.com2015-12-01 → 2016-03-21 · 4 obs

● 2015-12-01 04:02:48
● 2016-03-21 20:49:16
○ 2016-07-19 11:28:42
○ 2026-04-21 14:03:04

○A115.29.174.952015-08-05 → 2016-03-21 · 4 obs

● 2015-08-05 12:31:34
● 2016-03-21 20:49:16
○ 2016-07-19 11:28:42
○ 2026-04-21 14:03:04

●A13.223.25.842026-04-10 → 2026-04-21 · 3 obs

○ 2017-06-02 16:04:52
● 2026-04-10 14:26:30
● 2026-04-21 14:03:04

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-04-10 → 2026-04-21 · 3 obs

○ 2017-06-02 16:04:52
● 2026-04-10 14:26:30
● 2026-04-21 14:03:04

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-04-10 → 2026-04-21 · 3 obs

○ 2017-06-02 16:04:52
● 2026-04-10 14:26:30
● 2026-04-21 14:03:04

●A54.243.117.1972026-04-10 → 2026-04-21 · 3 obs

○ 2017-06-02 16:04:52
● 2026-04-10 14:26:30
● 2026-04-21 14:03:04

○A76.164.205.162017-06-02 → 2017-06-02 · 4 obs

○ 2016-07-19 11:28:42
● 2017-06-02 16:04:52
○ 2026-04-10 14:26:30
○ 2026-04-21 14:03:04

○A76.164.225.2522016-07-19 → 2016-07-19 · 4 obs

○ 2016-03-21 20:49:16
● 2016-07-19 11:28:42
○ 2026-04-10 14:26:30
○ 2026-04-21 14:03:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, d.gtld-servers.net...	-
yzstu.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	16 records

✅ Authoritative Response

Server:54.156.72.40

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for yzstu.com (unsigned zone)

⏱️ Timing

Total: 115ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.243.117.197, 13.223.25.84`
AAAA	2	`2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee`
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

Hierarchy

The parent of www.yzstu.com is yzstu.com.

IP Addresses

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

Other host names, for instance thumbs.actualbase.com, ispalert.com, warmsea.com, lotusmedica.com and 1139704.jjwxc.net.whoisbucket.com share IP numbers with yzstu.com.

Name Servers

The domain yzstu.com is delegated to three name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

yzstu.com shares name servers with other domains at least partially, for instance kitchentree.com, ameday.com, jevdo.com, www.bokutira.com and ns1.tdmaster.com.

these name servers are often used with ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Host names with nine IP numbers:

nsg1.namebrightdns.com points to: 2600:1f18:683a:ae1a:4ff7:d08c:cffa:8e2c, 2600:1f18:683a:ae1a:a6e6:411e:8d1e:b22c, 2600:1f18:683a:ae1b:97d:2f7d:b5ec:a3b1, 2600:1f18:683a:ae1b:35a3:92d6:50d7:5279, 2600:1f18:683a:ae1b:4998:887:9b75:86c8, 54.80.255.88, 54.90.189.54, 54.156.72.40 and 54.242.24.142.

Host names with seven IP numbers:

nsg2.namebrightdns.com points to: 2600:1f18:683a:ae1a:29d5:28f1:d92c:9fc9, 2600:1f18:683a:ae1a:c548:5ab4:bcc8:7954, 2600:1f18:683a:ae1b:dc99:5062:557a:d433, 50.16.74.14, 52.54.183.32, 54.242.146.158 and 100.27.205.48.

Host names with four IP numbers:

ns1.namebrightdns.com points to: 2600:1f18:683a:ae1a:8b2d:453e:ca75:106e, 2600:1f18:683a:ae1b:d983:d58b:b3c:735f, 54.158.44.245 and 107.20.46.211.

yzstu.com - robtex.com

yzstu.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`yzstu.com`

`com`