reactcourses.com - dns.ninja

`reactcourses.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:6900:d1bd:7672:d0ca^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:532:7c1e:9c2f:d0ac^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.163.9.173^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-163-9-173.compute-1.amazonaws.com`
		A	98.93.116.1^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
			PTR	`ec2-98-93-116-1.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:303c:9b15:3db3:a8a2^{🇺🇸 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:ae1a:bbc8:24d6:947f:1e99^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:6fa6:bf7e:9de7:5e92^{🇺🇸 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	54.225.33.252^{🇺🇸 Amazon54.224.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-225-33-252.compute-1.amazonaws.com`
		A	54.234.103.190^{🇺🇸 Amazon54.234.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-234-103-190.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1b:ac3c:fcfb:521d:2fd5^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:f6ec:2543:1b2e:f83c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.90.140.102^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-90-140-102.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	54.225.31.228^{🇺🇸 Amazon54.224.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-225-31-228.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-07-24 #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=1784933487

Subdomains

www.reactcourses.com

Same first word

reactcourses.com

Similar names

creatsources.com

routeraccess.com

DNS History

24 records (7 active, 17 former)

○NSdns1.registrar-servers.com2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 01:28:40
○ 2026-03-27 07:52:30
○ 2026-07-24 23:08:04

○NSdns2.registrar-servers.com2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 01:28:40
○ 2026-03-27 07:52:30
○ 2026-07-24 23:08:04

○NSns1.afternic.com2026-03-27 → 2026-07-24 · 2 obs

○ 2026-03-27 07:52:30
○ 2026-07-24 23:08:04

●NSns1.namebrightdns.com2026-03-27 → 2026-07-24 · 6 obs

○ 2018-05-07 01:28:40
● 2026-03-27 07:52:30
● 2026-03-29 19:17:52
○ 2026-04-24 10:38:30
● 2026-04-30 11:21:10
● 2026-07-24 23:08:04

○NSns2.afternic.com2026-03-27 → 2026-07-24 · 2 obs

○ 2026-03-27 07:52:30
○ 2026-07-24 23:08:04

●NSnsg1.namebrightdns.com2026-03-27 → 2026-07-24 · 3 obs

○ 2018-05-07 01:28:40
● 2026-03-27 07:52:30
● 2026-07-24 23:08:04

●NSnsg2.namebrightdns.com2026-03-27 → 2026-07-24 · 3 obs

○ 2018-05-07 01:28:40
● 2026-03-27 07:52:30
● 2026-07-24 23:08:04

○MX.2026-03-27 → 2026-07-24 · 2 obs

○ 2026-03-27 07:52:30
○ 2026-07-24 23:08:04

○MXeforward1.registrar-servers.com2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 01:28:40
○ 2026-03-27 07:52:30
○ 2026-07-24 23:08:04

○MXeforward2.registrar-servers.com2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 01:28:40
○ 2026-03-27 07:52:30
○ 2026-07-24 23:08:04

○MXeforward3.registrar-servers.com2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 01:28:40
○ 2026-03-27 07:52:30
○ 2026-07-24 23:08:04

○MXeforward4.registrar-servers.com2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 01:28:40
○ 2026-03-27 07:52:30
○ 2026-07-24 23:08:04

○MXeforward5.registrar-servers.com2018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 01:28:40
○ 2026-03-27 07:52:30
○ 2026-07-24 23:08:04

●A13.223.25.842026-05-31 → 2026-07-24 · 3 obs

○ 2026-04-30 11:21:10
● 2026-05-31 12:27:02
● 2026-07-24 23:08:04

○A13.248.169.482026-03-27 → 2026-07-24 · 2 obs

○ 2026-03-27 07:52:30
○ 2026-07-24 23:08:04

○A192.64.119.22018-05-07 → 2018-05-07 · 3 obs

● 2018-05-07 01:28:40
○ 2026-03-27 07:52:30
○ 2026-07-24 23:08:04

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-05-31 → 2026-07-24 · 3 obs

○ 2026-04-30 11:21:10
● 2026-05-31 12:27:02
● 2026-07-24 23:08:04

○A2600:1f18:4ae:c605:f094:2a0a:4985:526e2026-03-27 → 2026-04-30 · 7 obs

○ 2018-05-07 01:28:40
● 2026-03-27 07:52:30
● 2026-03-29 19:17:52
○ 2026-04-24 10:38:30
● 2026-04-30 11:21:10
○ 2026-05-31 12:27:02
○ 2026-07-24 23:08:04

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-05-31 → 2026-07-24 · 3 obs

○ 2026-04-30 11:21:10
● 2026-05-31 12:27:02
● 2026-07-24 23:08:04

○A2600:1f18:4ae:c606:def:b9d9:eb9e:77662026-03-27 → 2026-04-30 · 7 obs

○ 2018-05-07 01:28:40
● 2026-03-27 07:52:30
● 2026-03-29 19:17:52
○ 2026-04-24 10:38:30
● 2026-04-30 11:21:10
○ 2026-05-31 12:27:02
○ 2026-07-24 23:08:04

○A52.201.53.1662026-03-27 → 2026-04-30 · 7 obs

○ 2018-05-07 01:28:40
● 2026-03-27 07:52:30
● 2026-03-29 19:17:52
○ 2026-04-24 10:38:30
● 2026-04-30 11:21:10
○ 2026-05-31 12:27:02
○ 2026-07-24 23:08:04

●A54.243.117.1972026-05-31 → 2026-07-24 · 3 obs

○ 2026-04-30 11:21:10
● 2026-05-31 12:27:02
● 2026-07-24 23:08:04

○A76.223.54.1462026-03-27 → 2026-07-24 · 2 obs

○ 2026-03-27 07:52:30
○ 2026-07-24 23:08:04

○A98.82.42.1392026-03-27 → 2026-04-30 · 7 obs

○ 2018-05-07 01:28:40
● 2026-03-27 07:52:30
● 2026-03-29 19:17:52
○ 2026-04-24 10:38:30
● 2026-04-30 11:21:10
○ 2026-05-31 12:27:02
○ 2026-07-24 23:08:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
reactcourses.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:54.162.235.48

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for reactcourses.com (unsigned zone)

⏱️ Timing

Total: 54ms | 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	`nsg2.namebrightdns.com, nsg1.namebrightdns.com`
TXT	2	`v=spf1 -all, afternic-verification-G9G3tM8T8EwEizzPzj`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

Hierarchy

The domain www.reactcourses.com falls under the parent reactcourses.com.

IP Addresses

reactcourses.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.

Among the host names that share IP numbers with reactcourses.com are mail.casedd.com, abcnews.dwwar.com, www.korea-town.com and two others.

Name Servers

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

At least some of reactcourses.com's name servers are shared with other domains, for example www4.funklicks.com, allodomaines.com, furthestpoint.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.

Host names resolving to 7 IP numbers:

nsg1.namebrightdns.com resolves to 54.162.235.48, 54.225.33.252 and 54.234.103.190 among others, with 4 other IP addresses in total.

Hostnames that point to five IP numbers:

nsg2.namebrightdns.com directs to 3.90.140.102, 54.221.37.2, 54.225.31.228 and two other IP addresses.

Hosts pointing to four IP addresses:

ns1.namebrightdns.com directs to 54.163.9.173, 98.93.116.1, 2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca and 2600:1f18:683a:ae1b:532:7c1e:9c2f:d0ac.