`courseba.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 2026-06-21 #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=1782057210

Same first word

courseba.com

Similar names

DNS History

13 records (7 active, 6 former)

●NSns1.namebrightdns.com2026-04-22 → 2026-06-21 · 3 obs

○ 2019-02-19 00:19:02
● 2026-04-22 10:57:36
● 2026-06-21 16:05:02

○NSns27.domaincontrol.com2015-05-08 → 2019-02-19 · 4 obs

● 2015-05-08 10:53:24
● 2019-02-19 00:19:02
○ 2026-04-22 10:57:36
○ 2026-06-21 16:05:02

○NSns28.domaincontrol.com2015-05-08 → 2019-02-19 · 4 obs

● 2015-05-08 10:53:24
● 2019-02-19 00:19:02
○ 2026-04-22 10:57:36
○ 2026-06-21 16:05:02

●NSnsg1.namebrightdns.com2026-04-22 → 2026-06-21 · 3 obs

○ 2019-02-19 00:19:02
● 2026-04-22 10:57:36
● 2026-06-21 16:05:02

●NSnsg2.namebrightdns.com2026-04-22 → 2026-06-21 · 3 obs

○ 2019-02-19 00:19:02
● 2026-04-22 10:57:36
● 2026-06-21 16:05:02

○MXmailstore1.secureserver.net2015-05-08 → 2019-02-19 · 4 obs

● 2015-05-08 10:53:24
● 2019-02-19 00:19:02
○ 2026-04-22 10:57:36
○ 2026-06-21 16:05:02

○MXsmtp.secureserver.net2015-05-08 → 2019-02-19 · 4 obs

● 2015-05-08 10:53:24
● 2019-02-19 00:19:02
○ 2026-04-22 10:57:36
○ 2026-06-21 16:05:02

●A13.223.25.842026-04-22 → 2026-06-21 · 3 obs

○ 2019-02-19 00:19:02
● 2026-04-22 10:57:36
● 2026-06-21 16:05:02

○A184.168.131.2412019-02-19 → 2019-02-19 · 4 obs

○ 2017-01-13 03:02:38
● 2019-02-19 00:19:02
○ 2026-04-22 10:57:36
○ 2026-06-21 16:05:02

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-04-22 → 2026-06-21 · 3 obs

○ 2019-02-19 00:19:02
● 2026-04-22 10:57:36
● 2026-06-21 16:05:02

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-04-22 → 2026-06-21 · 3 obs

○ 2019-02-19 00:19:02
● 2026-04-22 10:57:36
● 2026-06-21 16:05:02

○A50.63.202.222015-05-08 → 2017-01-13 · 4 obs

● 2015-05-08 10:53:24
● 2017-01-13 03:02:38
○ 2019-02-19 00:19:02
○ 2026-06-21 16:05:02

●A54.243.117.1972026-04-22 → 2026-06-21 · 3 obs

○ 2019-02-19 00:19:02
● 2026-04-22 10:57:36
● 2026-06-21 16:05:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net...	-
courseba.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:3.88.240.25

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for courseba.com (unsigned zone)

⏱️ Timing

Total: 291ms | 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	`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

IP Addresses

courseba.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.

Two other host names, along with gstvonline.com, hcrca.com and 88syl.com, also share IP numbers with courseba.com.

Name Servers

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

The name servers of courseba.com overlap at least partially with those of other domains — among them 19231.livemoviestream.com, oilbeard.com, finobit.com and two more.

The name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com are commonly seen alongside these name servers.

DNS names with 6 IP addresses:

nsg1.namebrightdns.com resolves to 3.88.240.25, 52.55.198.41 and 54.175.130.15 among others, with 3 other IP addresses in total.

nsg2.namebrightdns.com resolves to 3.80.109.14, 18.232.139.44 and 98.81.3.34 among others, with 3 other IP addresses in total.

Host names directing to five IP addresses:

ns1.namebrightdns.com has four IP addresses — 52.203.211.134, 52.204.81.90, 2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca and two others.

courseba.com - robtex.com

courseba.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`courseba.com`

`com`