dzschool.com - dns.ninja

`dzschool.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	`domain-for-sale.hugedomainsdns.com`
		A	2600:1f18:683a:ae1a:4f4e:999e:923d:5c17^{🇺🇸 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	2600:1f18:683a:ae1b:c77b:8621:67b5:65^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.81.83.148^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-81-83-148.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	54.211.183.184^{🇺🇸 Amazon54.211.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-211-183-184.compute-1.amazonaws.com`
NS	`forsale.hugedomainsdns.com`
		A	2600:1f18:683a:ae1a:1ff8:84b4:19de:5ca6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:8e29:87d8:f97c:1291^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		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	100.27.188.59^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
			PTR	`ec2-100-27-188-59.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-11 #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=1786427719

Subdomains

www.dzschool.com

Same first word

dzschool.com

dzschool.cn

dzschool.net

Similar names

zdschool.com

zdschool.com.cn

schooldz.com

szholdco.com

DNS History

21 records (7 active, 14 former)

●NSdomain-for-sale.hugedomainsdns.com2026-02-23 → 2026-08-11 · 3 obs

○ 2017-03-27 22:17:44
● 2026-02-23 10:57:22
● 2026-08-11 06:20:30

●NSforsale.hugedomainsdns.com2026-02-23 → 2026-08-11 · 3 obs

○ 2017-03-27 22:17:44
● 2026-02-23 10:57:22
● 2026-08-11 06:20:30

●NSns1.namebrightdns.com2015-08-05 → 2026-08-11 · 5 obs

● 2015-08-05 03:01:22
● 2016-03-02 12:24:14
○ 2016-07-16 00:46:20
● 2017-03-27 22:17:44
● 2026-08-11 06:20:30

○NSns2.namebrightdns.com2015-08-05 → 2017-03-27 · 6 obs

● 2015-08-05 03:01:22
● 2016-03-02 12:24:14
○ 2016-07-16 00:46:20
● 2017-03-27 22:17:44
○ 2026-02-23 10:57:22
○ 2026-08-11 06:20:30

○NSnsg1.namebrightdns.com2016-07-16 → 2016-07-16 · 4 obs

○ 2016-03-02 12:24:14
● 2016-07-16 00:46:20
○ 2017-03-27 22:17:44
○ 2026-08-11 06:20:30

○NSnsg2.namebrightdns.com2016-07-16 → 2016-07-16 · 4 obs

○ 2016-03-02 12:24:14
● 2016-07-16 00:46:20
○ 2017-03-27 22:17:44
○ 2026-08-11 06:20:30

○MXanmail.namebrightmail.com2015-08-05 → 2015-08-05 · 3 obs

● 2015-08-05 03:01:22
○ 2015-11-29 04:34:38
○ 2026-08-11 06:20:30

○A107.23.198.2402016-07-16 → 2016-07-16 · 4 obs

○ 2016-03-02 12:24:14
● 2016-07-16 00:46:20
○ 2017-03-27 22:17:44
○ 2026-08-11 06:20:30

●A13.223.25.842026-02-23 → 2026-08-11 · 3 obs

○ 2017-03-27 22:17:44
● 2026-02-23 10:57:22
● 2026-08-11 06:20:30

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-23 → 2026-08-11 · 3 obs

○ 2017-03-27 22:17:44
● 2026-02-23 10:57:22
● 2026-08-11 06:20:30

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-23 → 2026-08-11 · 3 obs

○ 2017-03-27 22:17:44
● 2026-02-23 10:57:22
● 2026-08-11 06:20:30

○A52.0.96.242016-03-02 → 2016-03-02 · 4 obs

○ 2015-11-29 04:34:38
● 2016-03-02 12:24:14
○ 2016-07-16 00:46:20
○ 2026-08-11 06:20:30

○A52.204.129.222017-03-27 → 2017-03-27 · 4 obs

○ 2016-07-16 00:46:20
● 2017-03-27 22:17:44
○ 2026-02-23 10:57:22
○ 2026-08-11 06:20:30

○A52.4.72.1372016-07-16 → 2016-07-16 · 4 obs

○ 2016-03-02 12:24:14
● 2016-07-16 00:46:20
○ 2017-03-27 22:17:44
○ 2026-08-11 06:20:30

○A52.71.117.992016-03-02 → 2016-03-02 · 4 obs

○ 2015-11-29 04:34:38
● 2016-03-02 12:24:14
○ 2016-07-16 00:46:20
○ 2026-08-11 06:20:30

○A54.174.31.2542015-08-05 → 2015-11-29 · 4 obs

● 2015-08-05 03:01:22
● 2015-11-29 04:34:38
○ 2016-03-02 12:24:14
○ 2026-08-11 06:20:30

○A54.208.74.2152015-08-05 → 2015-11-29 · 4 obs

● 2015-08-05 03:01:22
● 2015-11-29 04:34:38
○ 2016-03-02 12:24:14
○ 2026-08-11 06:20:30

●A54.243.117.1972026-02-23 → 2026-08-11 · 3 obs

○ 2017-03-27 22:17:44
● 2026-02-23 10:57:22
● 2026-08-11 06:20:30

○A54.85.127.702017-03-27 → 2017-03-27 · 4 obs

○ 2016-07-16 00:46:20
● 2017-03-27 22:17:44
○ 2026-02-23 10:57:22
○ 2026-08-11 06:20:30

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-08-05 → 2016-07-16 · 4 obs

● 2015-08-05 03:01:22
● 2016-07-16 00:46:20
○ 2017-03-27 22:17:44
○ 2026-08-11 06:20:30

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-03-27 → 2017-03-27 · 4 obs

○ 2016-07-16 00:46:20
● 2017-03-27 22:17:44
○ 2026-02-23 10:57:22
○ 2026-08-11 06:20:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
dzschool.com	domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com	12 records

✅ Authoritative Response

Server:100.27.188.59

NS records: domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dzschool.com (unsigned zone)

⏱️ Timing

Total: 274ms | 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	`forsale.hugedomainsdns.com, domain-for-sale.hugedomainsdns.com`
TXT	2	`afternic-verification-G9G3tM8T8EwEizzPzj, v=spf1 -all`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (domain-for-sale.hugedomainsdns.com, domain-for-sale.hugedomainsdns.com, domain-for-sale.hugedomainsdns.com...)

Analysis

Hierarchy

dzschool.com is a parent domain of www.dzschool.com.

IP Addresses

dzschool.com has four IP addresses: 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.

terranovamusic.com, ns2.cessinc.com, cnmidc.com plus two other host names have IP numbers in common with dzschool.com.

Name Servers

Three name servers are authoritative for dzschool.com: domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and ns1.namebrightdns.com.

dzschool.com shares at least some of its name servers with other domains, including www.9drs.com--ww.analysiswebsites.com, dfg3.com, simplemarketingsolutions.com and two others.

These name servers are frequently paired with the name servers nsg1.namebrightdns.com, nsg2.namebrightdns.com and ns2.namebrightdns.com.

Hosts with 7 IP addresses each:

domain-for-sale.hugedomainsdns.com carries IP addresses 3.81.83.148, 54.152.124.255 and 54.211.183.184, with 4 other addresses beyond those.

Hosts with five IP addresses:

forsale.hugedomainsdns.com has IP addresses 54.221.37.2, 54.235.53.129 and 100.27.188.59 along with two other addresses.

Host names carrying three IP numbers:

ns1.namebrightdns.com resolves to three addresses: 3.89.42.183, 100.58.124.42 and 2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6.