bcourses.com - dns.ninja

`bcourses.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:c738:5f75:4848:cec1^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:2930:9101:b192:9765^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.198.38.136^{🇺🇸 Amazon54.198.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-198-38-136.compute-1.amazonaws.com`
		A	72.44.34.228^{🇺🇸 Amazon72.44.32.0/19 Execution Services}
			PTR	`ec2-72-44-34-228.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:8cf4:c7dd:6815:5e3^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:a07d:825e:d31f:d4a4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:954e:f67e:8a4e:94f4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	18.212.109.162^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
			PTR	`ec2-18-212-109-162.compute-1.amazonaws.com`
		A	54.91.209.23^{🇺🇸 Amazon54.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-91-209-23.compute-1.amazonaws.com`
		A	54.205.211.183^{🇺🇸 Amazon54.204.0.0/15 EC2 IAD Prefix}
			PTR	`ec2-54-205-211-183.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:1325:db5:11d1:c198^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:6245:c2d:fbe7:d04^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:ecbe:4de0:1741:ec05^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	18.212.133.232^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
			PTR	`ec2-18-212-133-232.compute-1.amazonaws.com`
		A	54.224.250.116^{🇺🇸 Amazon54.224.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-224-250-116.compute-1.amazonaws.com`
		A	100.31.100.165^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
			PTR	`ec2-100-31-100-165.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-06-09 #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=1781032838

Same first word

bcourses.com

Similar names

subscore.net

cbourses.net

scorebus.com

sbsource.co.uk

subscore.com

busscore.com

buecross.com

sbsource.com

corebuss.com

obscures.com

obscures.net

obscures.fr

corebuss.com.br

secorbus.es

sourcebs.com

cbourses.com

DNS History

22 records (7 active, 15 former)

●NSns1.namebrightdns.com2015-05-27 → 2026-06-09 · 2 obs

● 2015-05-27 08:42:06
● 2026-06-09 19:35:24

○NSns2.namebrightdns.com2015-05-27 → 2017-06-22 · 6 obs

● 2015-05-27 08:42:06
● 2016-03-27 00:49:38
○ 2016-07-20 20:46:08
● 2017-06-22 10:32:40
○ 2026-04-21 14:03:20
○ 2026-06-09 19:35:24

●NSnsg1.namebrightdns.com2016-03-27 → 2026-06-09 · 6 obs

○ 2015-05-27 08:42:06
● 2016-03-27 00:49:38
● 2016-07-20 20:46:08
○ 2017-06-22 10:32:40
● 2026-04-21 14:03:20
● 2026-06-09 19:35:24

●NSnsg2.namebrightdns.com2016-07-20 → 2026-06-09 · 5 obs

○ 2016-03-27 00:49:38
● 2016-07-20 20:46:08
○ 2017-06-22 10:32:40
● 2026-04-21 14:03:20
● 2026-06-09 19:35:24

○MXanmail.namebrightmail.com2015-05-27 → 2016-03-27 · 4 obs

● 2015-05-27 08:42:06
● 2016-03-27 00:49:38
○ 2016-07-20 20:46:08
○ 2026-06-09 19:35:24

○A107.23.160.2182015-12-22 → 2015-12-22 · 4 obs

○ 2015-10-18 05:41:02
● 2015-12-22 04:07:00
○ 2016-03-27 00:49:38
○ 2026-06-09 19:35:24

○A107.23.198.2402016-07-20 → 2016-07-20 · 4 obs

○ 2016-03-27 00:49:38
● 2016-07-20 20:46:08
○ 2017-06-22 10:32:40
○ 2026-06-09 19:35:24

●A13.223.25.842026-04-21 → 2026-06-09 · 3 obs

○ 2017-06-22 10:32:40
● 2026-04-21 14:03:20
● 2026-06-09 19:35:24

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-04-21 → 2026-06-09 · 3 obs

○ 2017-06-22 10:32:40
● 2026-04-21 14:03:20
● 2026-06-09 19:35:24

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-04-21 → 2026-06-09 · 3 obs

○ 2017-06-22 10:32:40
● 2026-04-21 14:03:20
● 2026-06-09 19:35:24

○A52.21.180.2332016-03-27 → 2016-03-27 · 4 obs

○ 2015-12-22 04:07:00
● 2016-03-27 00:49:38
○ 2016-07-20 20:46:08
○ 2026-06-09 19:35:24

○A52.3.120.902016-03-27 → 2016-03-27 · 4 obs

○ 2015-12-22 04:07:00
● 2016-03-27 00:49:38
○ 2016-07-20 20:46:08
○ 2026-06-09 19:35:24

○A52.4.72.1372016-07-20 → 2016-07-20 · 4 obs

○ 2016-03-27 00:49:38
● 2016-07-20 20:46:08
○ 2017-06-22 10:32:40
○ 2026-06-09 19:35:24

○A54.174.31.2542015-10-18 → 2015-10-18 · 4 obs

○ 2015-05-27 08:42:06
● 2015-10-18 05:41:02
○ 2015-12-22 04:07:00
○ 2026-06-09 19:35:24

○A54.208.74.2152015-10-18 → 2015-10-18 · 4 obs

○ 2015-05-27 08:42:06
● 2015-10-18 05:41:02
○ 2015-12-22 04:07:00
○ 2026-06-09 19:35:24

○A54.209.246.1822015-05-27 → 2015-05-27 · 3 obs

● 2015-05-27 08:42:06
○ 2017-06-22 10:32:40
○ 2026-06-09 19:35:24

○A54.209.90.812015-12-22 → 2015-12-22 · 4 obs

○ 2015-10-18 05:41:02
● 2015-12-22 04:07:00
○ 2016-03-27 00:49:38
○ 2026-06-09 19:35:24

●A54.243.117.1972026-04-21 → 2026-06-09 · 3 obs

○ 2017-06-22 10:32:40
● 2026-04-21 14:03:20
● 2026-06-09 19:35:24

○A54.85.144.1972015-05-27 → 2015-05-27 · 3 obs

● 2015-05-27 08:42:06
○ 2017-06-22 10:32:40
○ 2026-06-09 19:35:24

○A54.85.146.1862015-05-27 → 2015-05-27 · 3 obs

● 2015-05-27 08:42:06
○ 2017-06-22 10:32:40
○ 2026-06-09 19:35:24

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-05-27 → 2016-07-20 · 4 obs

● 2015-05-27 08:42:06
● 2016-07-20 20:46:08
○ 2017-06-22 10:32:40
○ 2026-06-09 19:35:24

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-06-22 → 2017-06-22 · 4 obs

○ 2016-07-20 20:46:08
● 2017-06-22 10:32:40
○ 2026-04-21 14:03:20
○ 2026-06-09 19:35:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net, c.gtld-servers.net...	-
bcourses.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:54.91.209.23

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bcourses.com (unsigned zone)

⏱️ Timing

Total: 203ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.223.25.84, 54.243.117.197`
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

With 4 IP addresses, bcourses.com directs to 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 bcourses.com are awrsolar.com, kidox.com, exunity.com and two others.

Name Servers

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

At least some of bcourses.com's name servers are shared with other domains, for example mail.marketito.com, givemass.com, gulfwells.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 6 IP numbers:

nsg1.namebrightdns.com directs to 18.212.109.162, 54.91.209.23, 54.205.211.183 and three others.

nsg2.namebrightdns.com directs to 18.212.133.232, 54.224.250.116, 100.31.100.165 and three others.

Host names resolving to 4 IP numbers:

ns1.namebrightdns.com directs to 54.198.38.136, 72.44.34.228, 2600:1f18:683a:ae1a:c738:5f75:4848:cec1 and 2600:1f18:683a:ae1b:2930:9101:b192:9765.