coursesup.com - dns.ninja

`coursesup.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	`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	3.93.61.140^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-93-61-140.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`
		A	174.129.117.232^{🇺🇸 Amazon174.129.0.0/16 Execution Services}
			PTR	`ec2-174-129-117-232.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:1ff8:84b4:19de:5ca6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:18c:37a5:651d:7bdc^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:ac3c:fcfb:521d:2fd5^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:ed3d:ef92:9331:4834^{🇺🇸 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	54.221.37.2^{🇺🇸 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`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-05 #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=1785914764

Subdomains

www.coursesup.com

Same first word

coursesup.com

Similar names

upssource.com

sourceups.co.uk

uspsource.com

upcourses.com

upsources.com

DNS History

10 records (7 active, 3 former)

○NSdns1.registrar-servers.com2018-05-09 → 2018-05-09 · 3 obs

● 2018-05-09 02:34:06
○ 2026-02-26 02:51:18
○ 2026-08-05 07:32:00

○NSdns2.registrar-servers.com2018-05-09 → 2018-05-09 · 3 obs

● 2018-05-09 02:34:06
○ 2026-02-26 02:51:18
○ 2026-08-05 07:32:00

●NSns1.namebrightdns.com2026-02-26 → 2026-08-05 · 3 obs

○ 2018-05-09 02:34:06
● 2026-02-26 02:51:18
● 2026-08-05 07:32:00

●NSnsg1.namebrightdns.com2026-02-26 → 2026-08-05 · 3 obs

○ 2018-05-09 02:34:06
● 2026-02-26 02:51:18
● 2026-08-05 07:32:00

●NSnsg2.namebrightdns.com2026-02-26 → 2026-08-05 · 3 obs

○ 2018-05-09 02:34:06
● 2026-02-26 02:51:18
● 2026-08-05 07:32:00

●A13.223.25.842026-02-26 → 2026-08-05 · 2 obs

● 2026-02-26 02:51:18
● 2026-08-05 07:32:00

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-26 → 2026-08-05 · 2 obs

● 2026-02-26 02:51:18
● 2026-08-05 07:32:00

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-26 → 2026-08-05 · 2 obs

● 2026-02-26 02:51:18
● 2026-08-05 07:32:00

●A54.243.117.1972026-02-26 → 2026-08-05 · 2 obs

● 2026-02-26 02:51:18
● 2026-08-05 07:32:00

○CNAMEd2yw7zovwdkdnj.cloudfront.net2018-05-09 → 2018-05-09 · 3 obs

● 2018-05-09 02:34:06
○ 2026-02-26 02:51:18
○ 2026-08-05 07:32:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coursesup.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:174.129.117.232

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursesup.com (unsigned zone)

⏱️ Timing

Total: 133ms | 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	`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

Hierarchy

coursesup.com serves as the parent of www.coursesup.com.

IP Addresses

coursesup.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.

coffeepass.net, subastor.com, yrang.com and two other host names share IP numbers with coursesup.com.

Name Servers

coursesup.com has three name servers — ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

coursesup.com has at least partial name server overlap with other domains, such as pm52.com, globalfrontiers.net, inkfx.net and two others.

These name servers tend to appear together with the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Hostnames that resolve to 7 IP addresses:

nsg2.namebrightdns.com points to 54.162.235.48, 54.221.37.2, 54.235.53.129 and 4 other IP addresses.

Hostnames pointing to five IP numbers:

nsg1.namebrightdns.com resolves to four IP addresses: 3.93.61.140, 54.234.103.190, 174.129.117.232 and two others.

Hostnames that resolve to three IP addresses:

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