`courseunlock.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:4ae:c605:f094:2a0a:4985:526e^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:4ae:c606:def:b9d9:eb9e:7766^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	52.201.53.166^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
A	98.82.42.139^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
NS	`ns1.namebrightdns.com` ⭐
		A	2600:1f18:683a:ae1a:8b2d:453e:ca75:106e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:d983:d58b:b3c:735f^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.158.44.245^{🇺🇸 Amazon54.156.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-158-44-245.compute-1.amazonaws.com`
		A	107.20.46.211^{🇺🇸 Amazon107.20.0.0/16 EC2 Prefix}
			PTR	`ec2-107-20-46-211.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4ff7:d08c:cffa:8e2c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:a6e6:411e:8d1e:b22c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:97d:2f7d:b5ec:a3b1^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:35a3:92d6:50d7:5279^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:4998:887:9b75:86c8^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.80.255.88^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-80-255-88.compute-1.amazonaws.com`
		A	54.90.189.54^{🇺🇸 Amazon54.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-90-189-54.compute-1.amazonaws.com`
		A	54.156.72.40^{🇺🇸 Amazon54.156.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-156-72-40.compute-1.amazonaws.com`
		A	54.242.24.142^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-242-24-142.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:29d5:28f1:d92c:9fc9^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:c548:5ab4:bcc8:7954^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:dc99:5062:557a:d433^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	50.16.74.14^{🇺🇸 Amazon50.16.0.0/16 EC2 IAD prefix}
			PTR	`ec2-50-16-74-14.compute-1.amazonaws.com`
		A	52.54.183.32^{🇺🇸 Amazon52.54.0.0/15 EC2 Region prefix}
			PTR	`ec2-52-54-183-32.compute-1.amazonaws.com`
		A	54.242.146.158^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-242-146-158.compute-1.amazonaws.com`
		A	100.27.205.48^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
			PTR	`ec2-100-27-205-48.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-04-20 #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=1776708277

Same first word

courseunlock.com

Similar names

unlocksource.com

sourceunlock.com

DNS History

21 records (7 active, 14 former)

○NScuritiba.porkbun.com2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 15:44:44
○ 2026-02-22 12:15:08
○ 2026-04-20 18:24:04

○NSfortaleza.porkbun.com2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 15:44:44
○ 2026-02-22 12:15:08
○ 2026-04-20 18:24:04

○NSmaceio.porkbun.com2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 15:44:44
○ 2026-02-22 12:15:08
○ 2026-04-20 18:24:04

○NSns1.dnsnuts.com2026-02-22 → 2026-04-20 · 2 obs

○ 2026-02-22 12:15:08
○ 2026-04-20 18:24:04

●NSns1.namebrightdns.com2026-04-19 → 2026-04-20 · 3 obs

○ 2026-03-13 00:41:08
● 2026-04-19 13:27:40
● 2026-04-20 18:24:04

○NSns2.dnsnuts.com2026-02-22 → 2026-04-20 · 2 obs

○ 2026-02-22 12:15:08
○ 2026-04-20 18:24:04

●NSnsg1.namebrightdns.com2026-04-19 → 2026-04-20 · 3 obs

○ 2026-03-13 00:41:08
● 2026-04-19 13:27:40
● 2026-04-20 18:24:04

●NSnsg2.namebrightdns.com2026-04-19 → 2026-04-20 · 3 obs

○ 2026-03-13 00:41:08
● 2026-04-19 13:27:40
● 2026-04-20 18:24:04

○NSsalvador.porkbun.com2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 15:44:44
○ 2026-02-22 12:15:08
○ 2026-04-20 18:24:04

○NSsk.s5.ans1.ns148.ztomy.com2026-02-22 → 2026-03-06 · 5 obs

○ 2019-12-19 15:44:44
● 2026-02-22 12:15:08
● 2026-03-06 06:05:26
○ 2026-03-13 00:41:08
○ 2026-04-20 18:24:04

○NSsk.s5.ans2.ns148.ztomy.com2026-02-22 → 2026-03-06 · 5 obs

○ 2019-12-19 15:44:44
● 2026-02-22 12:15:08
● 2026-03-06 06:05:26
○ 2026-03-13 00:41:08
○ 2026-04-20 18:24:04

○MX~2026-02-22 → 2026-03-06 · 5 obs

○ 2019-12-19 15:44:44
● 2026-02-22 12:15:08
● 2026-03-06 06:05:26
○ 2026-03-13 00:41:08
○ 2026-04-20 18:24:04

○MXfwd1.porkbun.com2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 15:44:44
○ 2026-02-22 12:15:08
○ 2026-04-20 18:24:04

○MXfwd2.porkbun.com2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 15:44:44
○ 2026-02-22 12:15:08
○ 2026-04-20 18:24:04

○A208.91.197.462026-02-22 → 2026-03-06 · 5 obs

○ 2019-12-19 15:44:44
● 2026-02-22 12:15:08
● 2026-03-06 06:05:26
○ 2026-03-13 00:41:08
○ 2026-04-20 18:24:04

○A212.92.105.2102026-02-22 → 2026-04-20 · 2 obs

○ 2026-02-22 12:15:08
○ 2026-04-20 18:24:04

●A2600:1f18:4ae:c605:f094:2a0a:4985:526e2026-04-19 → 2026-04-20 · 3 obs

○ 2026-03-13 00:41:08
● 2026-04-19 13:27:40
● 2026-04-20 18:24:04

●A2600:1f18:4ae:c606:def:b9d9:eb9e:77662026-04-19 → 2026-04-20 · 3 obs

○ 2026-03-13 00:41:08
● 2026-04-19 13:27:40
● 2026-04-20 18:24:04

○A35.160.246.242019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 15:44:44
○ 2026-02-22 12:15:08
○ 2026-04-20 18:24:04

●A52.201.53.1662026-04-19 → 2026-04-20 · 3 obs

○ 2026-03-13 00:41:08
● 2026-04-19 13:27:40
● 2026-04-20 18:24:04

●A98.82.42.1392026-04-19 → 2026-04-20 · 3 obs

○ 2026-03-13 00:41:08
● 2026-04-19 13:27:40
● 2026-04-20 18:24:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, h.gtld-servers.net...	-
courseunlock.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	16 records

✅ Authoritative Response

Server:54.156.72.40

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for courseunlock.com (unsigned zone)

⏱️ Timing

Total: 207ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`98.82.42.139, 52.201.53.166`
AAAA	2	`2600:1f18:4ae:c606:def:b9d9:eb9e:7766, 2600:1f18:4ae:c605:f094:2a0a:4985:526e`
NS	2	`nsg2.namebrightdns.com, nsg1.namebrightdns.com`
TXT	2	`afternic-verification-G9G3tM8T8EwEizzPzj, v=spf1 -all`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 16

Out-of-bailiwick: 16 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

courseunlock.com points to four IP numbers: 2600:1f18:4ae:c605:f094:2a0a:4985:526e, 2600:1f18:4ae:c606:def:b9d9:eb9e:7766, 52.201.53.166 and 98.82.42.139.

Other host names, for instance propertymust.com, ns2.tictell.com, prioritydeals.com, pracky.com and titanhash.com share IP numbers with courseunlock.com.

Name Servers

courseunlock.com is delegated to three name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

courseunlock.com at least partially shares its name servers with other domains, for instance loveinsite.com, www.usalatino.com, cloudabi.com, alcanjo.com and cartaceo.com.

These name servers are commonly used with domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and ns2.namebrightdns.com.

Nine IP numbers: nsg1.namebrightdns.com points to: 2600:1f18:683a:ae1a:4ff7:d08c:cffa:8e2c, 2600:1f18:683a:ae1a:a6e6:411e:8d1e:b22c, 2600:1f18:683a:ae1b:97d:2f7d:b5ec:a3b1, 2600:1f18:683a:ae1b:35a3:92d6:50d7:5279, 2600:1f18:683a:ae1b:4998:887:9b75:86c8, 54.80.255.88, 54.90.189.54, 54.156.72.40 and 54.242.24.142.

Seven IP numbers: nsg2.namebrightdns.com points to: 2600:1f18:683a:ae1a:29d5:28f1:d92c:9fc9, 2600:1f18:683a:ae1a:c548:5ab4:bcc8:7954, 2600:1f18:683a:ae1b:dc99:5062:557a:d433, 50.16.74.14, 52.54.183.32, 54.242.146.158 and 100.27.205.48.

Four IP numbers: ns1.namebrightdns.com points to: 2600:1f18:683a:ae1a:8b2d:453e:ca75:106e, 2600:1f18:683a:ae1b:d983:d58b:b3c:735f, 54.158.44.245 and 107.20.46.211.

courseunlock.com - robtex.com