coursecool.com - dns.ninja

`coursecool.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:ae1a:7bc2:638d:8ca6:fcc4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:d57d:390a:64b4:d4f1^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	52.203.211.134^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
			PTR	`ec2-52-203-211-134.compute-1.amazonaws.com`
		A	52.204.81.90^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
			PTR	`ec2-52-204-81-90.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4a5c:f736:fa58:d85^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:5b81:82bc:6de0:b02c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:a80d:aa66:fb:1e18^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.88.240.25^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-88-240-25.compute-1.amazonaws.com`
		A	52.55.198.41^{🇺🇸 Amazon52.54.0.0/15 EC2 Region prefix}
			PTR	`ec2-52-55-198-41.compute-1.amazonaws.com`
		A	54.175.130.15^{🇺🇸 Amazon54.174.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-175-130-15.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:7b03:f4b:4bfa:8287^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:cc5d:cd19:dd5:828e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3ee4:3218:624e:fbef^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.80.109.14^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-80-109-14.compute-1.amazonaws.com`
		A	18.232.139.44^{🇺🇸 Amazon18.232.0.0/14 EC2 IAD prefix}
			PTR	`ec2-18-232-139-44.compute-1.amazonaws.com`
		A	98.81.3.34^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-81-3-34.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-06-28 #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=1782625255

Same first word

coursecool.com

Similar names

ecocolours.in

locosource.com

coolsource.com

sourcecool.com

DNS History

10 records (7 active, 3 former)

○NSns1.alidns.com2015-06-01 → 2017-05-22 · 4 obs

● 2015-06-01 01:42:10
● 2017-05-22 02:07:44
○ 2026-04-01 00:24:54
○ 2026-06-28 06:11:14

●NSns1.namebrightdns.com2026-04-01 → 2026-06-28 · 3 obs

○ 2017-05-22 02:07:44
● 2026-04-01 00:24:54
● 2026-06-28 06:11:14

○NSns2.alidns.com2015-06-01 → 2017-05-22 · 4 obs

● 2015-06-01 01:42:10
● 2017-05-22 02:07:44
○ 2026-04-01 00:24:54
○ 2026-06-28 06:11:14

●NSnsg1.namebrightdns.com2026-04-01 → 2026-06-28 · 3 obs

○ 2017-05-22 02:07:44
● 2026-04-01 00:24:54
● 2026-06-28 06:11:14

●NSnsg2.namebrightdns.com2026-04-01 → 2026-06-28 · 3 obs

○ 2017-05-22 02:07:44
● 2026-04-01 00:24:54
● 2026-06-28 06:11:14

○A121.42.24.732015-06-01 → 2017-05-22 · 4 obs

● 2015-06-01 01:42:10
● 2017-05-22 02:07:44
○ 2026-04-01 00:24:54
○ 2026-06-28 06:11:14

●A13.223.25.842026-04-01 → 2026-06-28 · 3 obs

○ 2017-05-22 02:07:44
● 2026-04-01 00:24:54
● 2026-06-28 06:11:14

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-04-01 → 2026-06-28 · 3 obs

○ 2017-05-22 02:07:44
● 2026-04-01 00:24:54
● 2026-06-28 06:11:14

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-04-01 → 2026-06-28 · 3 obs

○ 2017-05-22 02:07:44
● 2026-04-01 00:24:54
● 2026-06-28 06:11:14

●A54.243.117.1972026-04-01 → 2026-06-28 · 3 obs

○ 2017-05-22 02:07:44
● 2026-04-01 00:24:54
● 2026-06-28 06:11:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, g.gtld-servers.net, m.gtld-servers.net, a.gtld-servers.net...	-
coursecool.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:18.232.139.44

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursecool.com (unsigned zone)

⏱️ Timing

Total: 163ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.223.25.84, 54.243.117.197`
AAAA	2	`2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb`
NS	2	`nsg2.namebrightdns.com, nsg1.namebrightdns.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 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

coursecool.com resolves to 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.

Additional host names — www.abizmo.com, buffnstuff.com, divendere.com and two others — share IP numbers with coursecool.com.

Name Servers

The authoritative name servers for coursecool.com are ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com — three in total.

coursecool.com shares at least some of its name servers with other domains, including zhonglife.com, pubwest.com, successpt.com and two others.

These name servers are frequently paired with the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Host names with 6 IP numbers:

Hostname nsg1.namebrightdns.com directs to 3.88.240.25, 52.55.198.41 and 54.175.130.15 along with 3 other IP addresses.

Hostname nsg2.namebrightdns.com directs to 3.80.109.14, 18.232.139.44 and 98.81.3.34 along with 3 other IP addresses.

Host names that resolve to five IP addresses:

ns1.namebrightdns.com points to 52.203.211.134, 52.204.81.90, 2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca and two other IP addresses.