coursecode.com - dns.ninja

`coursecode.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=1784940822

Subdomains

mail.coursecode.com

Same first word

coursecode.com

coursecode.net

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sourcecode.sk

codesource.co

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sourcecode.eu

DNS History

20 records (7 active, 13 former)

○NSns1.colo.com2016-03-23 → 2016-03-23 · 4 obs

○ 2015-12-27 11:57:04
● 2016-03-23 10:22:50
○ 2016-09-25 04:24:38
○ 2026-07-25 01:01:48

●NSns1.namebrightdns.com2016-09-25 → 2026-07-25 · 6 obs

○ 2016-03-23 10:22:50
● 2016-09-25 04:24:38
● 2026-05-25 06:36:40
○ 2026-05-27 17:27:50
● 2026-06-03 10:03:08
● 2026-07-25 01:01:48

○NSns1.searchabc.com2015-05-19 → 2015-12-27 · 4 obs

● 2015-05-19 15:24:52
● 2015-12-27 11:57:04
○ 2016-03-23 10:22:50
○ 2026-07-25 01:01:48

○NSns2.namebrightdns.com2016-09-25 → 2017-05-21 · 5 obs

○ 2016-03-23 10:22:50
● 2016-09-25 04:24:38
● 2017-05-21 21:14:06
○ 2026-02-15 06:49:04
○ 2026-07-25 01:01:48

●NSnsg1.namebrightdns.com2026-02-15 → 2026-07-25 · 3 obs

○ 2017-05-21 21:14:06
● 2026-02-15 06:49:04
● 2026-07-25 01:01:48

●NSnsg2.namebrightdns.com2026-02-15 → 2026-07-25 · 3 obs

○ 2017-05-21 21:14:06
● 2026-02-15 06:49:04
● 2026-07-25 01:01:48

○MXmail.coursecode.com2015-05-19 → 2016-03-23 · 4 obs

● 2015-05-19 15:24:52
● 2016-03-23 10:22:50
○ 2016-09-25 04:24:38
○ 2026-07-25 01:01:48

○A107.23.198.2402016-09-25 → 2016-09-25 · 4 obs

○ 2016-03-23 10:22:50
● 2016-09-25 04:24:38
○ 2017-05-21 21:14:06
○ 2026-07-25 01:01:48

●A13.223.25.842026-02-15 → 2026-07-25 · 6 obs

○ 2017-05-21 21:14:06
● 2026-02-15 06:49:04
● 2026-05-25 06:36:40
○ 2026-05-27 17:27:50
● 2026-06-03 10:03:08
● 2026-07-25 01:01:48

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-15 → 2026-07-25 · 6 obs

○ 2017-05-21 21:14:06
● 2026-02-15 06:49:04
● 2026-05-25 06:36:40
○ 2026-05-27 17:27:50
● 2026-06-03 10:03:08
● 2026-07-25 01:01:48

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-15 → 2026-07-25 · 6 obs

○ 2017-05-21 21:14:06
● 2026-02-15 06:49:04
● 2026-05-25 06:36:40
○ 2026-05-27 17:27:50
● 2026-06-03 10:03:08
● 2026-07-25 01:01:48

○A52.206.43.2342016-09-25 → 2016-09-25 · 4 obs

○ 2016-03-23 10:22:50
● 2016-09-25 04:24:38
○ 2017-05-21 21:14:06
○ 2026-07-25 01:01:48

○A52.4.72.1372016-09-25 → 2016-09-25 · 4 obs

○ 2016-03-23 10:22:50
● 2016-09-25 04:24:38
○ 2017-05-21 21:14:06
○ 2026-07-25 01:01:48

○A54.210.33.1902016-09-25 → 2016-09-25 · 4 obs

○ 2016-03-23 10:22:50
● 2016-09-25 04:24:38
○ 2017-05-21 21:14:06
○ 2026-07-25 01:01:48

○A54.236.123.2242016-09-25 → 2016-09-25 · 4 obs

○ 2016-03-23 10:22:50
● 2016-09-25 04:24:38
○ 2017-05-21 21:14:06
○ 2026-07-25 01:01:48

●A54.243.117.1972026-02-15 → 2026-07-25 · 6 obs

○ 2017-05-21 21:14:06
● 2026-02-15 06:49:04
● 2026-05-25 06:36:40
○ 2026-05-27 17:27:50
● 2026-06-03 10:03:08
● 2026-07-25 01:01:48

○A64.74.172.1252015-05-19 → 2015-12-27 · 4 obs

● 2015-05-19 15:24:52
● 2015-12-27 11:57:04
○ 2016-03-23 10:22:50
○ 2026-07-25 01:01:48

○A66.63.171.1252016-03-23 → 2016-03-23 · 4 obs

○ 2015-12-27 11:57:04
● 2016-03-23 10:22:50
○ 2016-09-25 04:24:38
○ 2026-07-25 01:01:48

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2016-09-25 → 2016-09-25 · 3 obs

● 2016-09-25 04:24:38
○ 2017-05-21 21:14:06
○ 2026-07-25 01:01:48

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-05-21 → 2026-02-15 · 5 obs

○ 2016-09-25 04:24:38
● 2017-05-21 21:14:06
● 2026-02-15 06:49:04
○ 2026-02-28 07:27:46
○ 2026-07-25 01:01:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net...	-
coursecode.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 coursecode.com (unsigned zone)

⏱️ Timing

Total: 138ms | 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	`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

Hierarchy

mail.coursecode.com is a subdomain of coursecode.com.

IP Addresses

coursecode.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 inncar.com, dc-091109ee598a.liantrade.com and cnduan.com, also share IP numbers with coursecode.com.

Name Servers

Three name servers are authoritative for coursecode.com: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

The name servers of coursecode.com overlap at least partially with those of other domains — among them nopog.com, ns2.cwerner.com, huamuy.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 7 IP addresses:

nsg1.namebrightdns.com carries IP addresses 54.162.235.48, 54.225.33.252 and 54.234.103.190, with 4 other addresses beyond those.

Host names directing to five IP addresses:

nsg2.namebrightdns.com has four IP addresses — 3.90.140.102, 54.221.37.2, 54.225.31.228 and two others.

Host names that resolve to four IP numbers:

ns1.namebrightdns.com resolves 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.