🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`sourcecourse.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:401d:c0e9:501a:ea95^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:e84a:f7f7:5ce:2959^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	18.212.76.155^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
			PTR	`ec2-18-212-76-155.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:eb7a:23b2:29d8:e816^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:31e7:1e97:ef04:c7fb^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3ec0:1f04:82d2:43f6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	13.217.214.164^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-217-214-164.compute-1.amazonaws.com`
		A	18.206.239.168^{🇺🇸 Amazon18.204.0.0/14 EC2 IAD prefix}
			PTR	`ec2-18-206-239-168.compute-1.amazonaws.com`
		A	184.72.65.107^{🇺🇸 Amazon184.72.64.0/19 IAD prefix}
			PTR	`ec2-184-72-65-107.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4c18:c076:2f6e:fa04^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:73a7:a265:1a90:244c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:4147:1105:6a9f:a3a7^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:86d7:e006:2666:13d9^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.90.244.46^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-90-244-46.compute-1.amazonaws.com`
		A	34.227.8.8^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
			PTR	`ec2-34-227-8-8.compute-1.amazonaws.com`
		A	50.17.97.156^{🇺🇸 Amazon50.17.0.0/16 IAD prefix}
			PTR	`ec2-50-17-97-156.compute-1.amazonaws.com`
		A	54.198.126.254^{🇺🇸 Amazon54.198.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-198-126-254.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-11-08 #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=1794160851

Same first word

sourcecourse.biz

sourcecourse.com

sourcecourse.app

Similar names

Previous names

Next names

DNS History

22 records (7 active, 15 former)

●NSns1.namebrightdns.com2015-04-29 → 2026-11-08 · 7 obs

● 2015-04-29 23:55:38
○ 2015-10-16 12:04:40
● 2015-12-15 21:42:14
● 2017-05-12 16:59:04
○ 2021-07-22 03:21:50
● 2026-08-19 16:09:32
● 2026-11-08 18:24:20

○NSns2.namebrightdns.com2015-04-29 → 2017-05-12 · 6 obs

● 2015-04-29 23:55:38
○ 2015-10-16 12:04:40
● 2015-12-15 21:42:14
● 2017-05-12 16:59:04
○ 2021-07-22 03:21:50
○ 2026-11-08 18:24:20

●NSnsg1.namebrightdns.com2015-10-16 → 2026-11-08 · 6 obs

○ 2015-04-29 23:55:38
● 2015-10-16 12:04:40
○ 2015-12-15 21:42:14
○ 2017-05-12 16:59:04
● 2021-07-22 03:21:50
● 2026-11-08 18:24:20

●NSnsg2.namebrightdns.com2015-10-16 → 2026-11-08 · 6 obs

○ 2015-04-29 23:55:38
● 2015-10-16 12:04:40
○ 2015-12-15 21:42:14
○ 2017-05-12 16:59:04
● 2021-07-22 03:21:50
● 2026-11-08 18:24:20

○MXanmail.namebrightmail.com2015-04-29 → 2015-04-29 · 3 obs

● 2015-04-29 23:55:38
○ 2015-10-16 12:04:40
○ 2026-11-08 18:24:20

○A107.21.42.1422016-04-02 → 2016-04-02 · 4 obs

○ 2015-12-15 21:42:14
● 2016-04-02 12:02:26
○ 2017-05-12 16:59:04
○ 2026-11-08 18:24:20

○A107.23.160.2182015-12-15 → 2015-12-15 · 4 obs

○ 2015-10-16 12:04:40
● 2015-12-15 21:42:14
○ 2016-04-02 12:02:26
○ 2026-11-08 18:24:20

●A13.223.25.842026-08-19 → 2026-11-08 · 3 obs

○ 2021-07-22 03:21:50
● 2026-08-19 16:09:32
● 2026-11-08 18:24:20

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-08-19 → 2026-11-08 · 3 obs

○ 2021-07-22 03:21:50
● 2026-08-19 16:09:32
● 2026-11-08 18:24:20

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-08-19 → 2026-11-08 · 3 obs

○ 2021-07-22 03:21:50
● 2026-08-19 16:09:32
● 2026-11-08 18:24:20

○A52.204.129.222017-05-12 → 2017-05-12 · 4 obs

○ 2016-04-02 12:02:26
● 2017-05-12 16:59:04
○ 2021-07-22 03:21:50
○ 2026-11-08 18:24:20

○A54.174.149.302016-04-02 → 2016-04-02 · 4 obs

○ 2015-12-15 21:42:14
● 2016-04-02 12:02:26
○ 2017-05-12 16:59:04
○ 2026-11-08 18:24:20

○A54.174.31.2542015-10-16 → 2015-10-16 · 4 obs

○ 2015-04-29 23:55:38
● 2015-10-16 12:04:40
○ 2015-12-15 21:42:14
○ 2026-11-08 18:24:20

○A54.208.74.2152015-10-16 → 2015-10-16 · 4 obs

○ 2015-04-29 23:55:38
● 2015-10-16 12:04:40
○ 2015-12-15 21:42:14
○ 2026-11-08 18:24:20

○A54.209.90.812015-12-15 → 2015-12-15 · 4 obs

○ 2015-10-16 12:04:40
● 2015-12-15 21:42:14
○ 2016-04-02 12:02:26
○ 2026-11-08 18:24:20

○A54.236.84.1112015-04-29 → 2015-04-29 · 3 obs

● 2015-04-29 23:55:38
○ 2017-05-12 16:59:04
○ 2026-11-08 18:24:20

●A54.243.117.1972026-08-19 → 2026-11-08 · 3 obs

○ 2021-07-22 03:21:50
● 2026-08-19 16:09:32
● 2026-11-08 18:24:20

○A54.85.127.702017-05-12 → 2017-05-12 · 4 obs

○ 2016-04-02 12:02:26
● 2017-05-12 16:59:04
○ 2021-07-22 03:21:50
○ 2026-11-08 18:24:20

○A54.85.146.1862015-04-29 → 2015-04-29 · 3 obs

● 2015-04-29 23:55:38
○ 2017-05-12 16:59:04
○ 2026-11-08 18:24:20

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-04-29 → 2016-04-02 · 4 obs

● 2015-04-29 23:55:38
● 2016-04-02 12:02:26
○ 2017-05-12 16:59:04
○ 2026-11-08 18:24:20

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-05-12 → 2017-05-12 · 4 obs

○ 2016-04-02 12:02:26
● 2017-05-12 16:59:04
○ 2021-07-22 03:21:50
○ 2026-11-08 18:24:20

○CNAMEhdredirect-lb7-5a03e1c2772e1c9c.elb.us-east-1.amazonaws.com2021-07-22 → 2021-07-22 · 4 obs

○ 2017-05-12 16:59:04
● 2021-07-22 03:21:50
○ 2026-08-19 16:09:32
○ 2026-11-08 18:24:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sourcecourse.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	14 records

✅ Authoritative Response

Server:3.90.244.46

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sourcecourse.com (unsigned zone)

⏱️ Timing

Total: 358ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.243.117.197, 13.223.25.84`
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	`afternic-verification-G9G3tM8T8EwEizzPzj, v=spf1 -all`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 14

Out-of-bailiwick: 14 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

sourcecourse.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.

Two other host names, along with tuctac.com, youngstarter.com and gwtsa.com, also share IP numbers with sourcecourse.com.

Name Servers

DNS for sourcecourse.com is handled by three authoritative name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

sourcecourse.com has at least partial name server overlap with other domains, such as magwar.com, investtelangana.com, buildingseo.com 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.

DNS names with 8 IP addresses:

nsg2.namebrightdns.com has IP addresses 3.90.244.46, 34.227.8.8 and 50.17.97.156, plus 5 other.

DNS names with 6 IP addresses:

nsg1.namebrightdns.com has IP addresses 13.217.214.164, 18.206.239.168 and 184.72.65.107, plus 3 other.

Hostnames that map to three IP numbers:

ns1.namebrightdns.com has IP addresses 18.212.76.155, 2600:1f18:683a:ae1a:401d:c0e9:501a:ea95 and 2600:1f18:683a:ae1b:e84a:f7f7:5ce:2959.

sourcecourse.com - robtex.com