course2.com - dns.ninja

`course2.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:ae1a:7bc2:638d:8ca6:fcc4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:d57d:390a:64b4:d4f1^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	52.203.211.134^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
			PTR	`ec2-52-203-211-134.compute-1.amazonaws.com`
		A	52.204.81.90^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
			PTR	`ec2-52-204-81-90.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4a5c:f736:fa58:d85^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:7b03:f4b:4bfa:8287^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:b159:2be8:f48c:b374^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	13.221.131.54^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-221-131-54.compute-1.amazonaws.com`
		A	13.222.195.178^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-222-195-178.compute-1.amazonaws.com`
		A	54.175.130.15^{🇺🇸 Amazon54.174.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-175-130-15.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1b:5b81:82bc:6de0:b02c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:b942:bb73:2f59:d7af^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:da4a:4683:1131:8bce^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.80.109.14^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-80-109-14.compute-1.amazonaws.com`
		A	98.81.3.34^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-81-3-34.compute-1.amazonaws.com`
		A	98.83.212.177^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-83-212-177.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-06-29 #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=1782766641

Same first word

course2.com

Similar names

source2.com

source2.net

source2.eu

oursec2.com

2source.ch

source2.top

eurocs2.com

2source.com

2uscore.com

score2u.com

2course.com

DNS History

17 records (7 active, 10 former)

●NSns1.namebrightdns.com2026-03-24 → 2026-06-29 · 3 obs

○ 2017-03-22 09:41:18
● 2026-03-24 18:12:00
● 2026-06-29 21:25:54

○NSns1626.ztomy.com2016-07-19 → 2016-07-19 · 4 obs

○ 2016-03-16 10:15:48
● 2016-07-19 05:06:20
○ 2017-03-22 09:41:18
○ 2026-06-29 21:25:54

○NSns1646.ztomy.com2015-05-15 → 2016-03-16 · 4 obs

● 2015-05-15 00:57:44
● 2016-03-16 10:15:48
○ 2016-07-19 05:06:20
○ 2026-06-29 21:25:54

○NSns2626.ztomy.com2016-07-19 → 2016-07-19 · 4 obs

○ 2016-03-16 10:15:48
● 2016-07-19 05:06:20
○ 2017-03-22 09:41:18
○ 2026-06-29 21:25:54

○NSns2646.ztomy.com2015-05-15 → 2016-03-16 · 4 obs

● 2015-05-15 00:57:44
● 2016-03-16 10:15:48
○ 2016-07-19 05:06:20
○ 2026-06-29 21:25:54

●NSnsg1.namebrightdns.com2026-03-24 → 2026-06-29 · 3 obs

○ 2017-03-22 09:41:18
● 2026-03-24 18:12:00
● 2026-06-29 21:25:54

●NSnsg2.namebrightdns.com2026-03-24 → 2026-06-29 · 3 obs

○ 2017-03-22 09:41:18
● 2026-03-24 18:12:00
● 2026-06-29 21:25:54

○NSsk.s5.ans1.ns148.ztomy.com2017-03-22 → 2017-03-22 · 4 obs

○ 2016-07-19 05:06:20
● 2017-03-22 09:41:18
○ 2026-03-24 18:12:00
○ 2026-06-29 21:25:54

○NSsk.s5.ans2.ns148.ztomy.com2017-03-22 → 2017-03-22 · 4 obs

○ 2016-07-19 05:06:20
● 2017-03-22 09:41:18
○ 2026-03-24 18:12:00
○ 2026-06-29 21:25:54

●A13.223.25.842026-03-24 → 2026-06-29 · 3 obs

○ 2017-03-22 09:41:18
● 2026-03-24 18:12:00
● 2026-06-29 21:25:54

○A141.8.226.142015-05-15 → 2016-03-16 · 4 obs

● 2015-05-15 00:57:44
● 2016-03-16 10:15:48
○ 2016-07-19 05:06:20
○ 2026-06-29 21:25:54

○A204.11.56.482016-07-19 → 2016-07-19 · 4 obs

○ 2016-03-16 10:15:48
● 2016-07-19 05:06:20
○ 2017-03-22 09:41:18
○ 2026-06-29 21:25:54

○A208.91.197.462017-03-22 → 2017-03-22 · 4 obs

○ 2016-07-19 05:06:20
● 2017-03-22 09:41:18
○ 2026-03-24 18:12:00
○ 2026-06-29 21:25:54

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-24 → 2026-06-29 · 3 obs

○ 2017-03-22 09:41:18
● 2026-03-24 18:12:00
● 2026-06-29 21:25:54

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-24 → 2026-06-29 · 3 obs

○ 2017-03-22 09:41:18
● 2026-03-24 18:12:00
● 2026-06-29 21:25:54

●A54.243.117.1972026-03-24 → 2026-06-29 · 3 obs

○ 2017-03-22 09:41:18
● 2026-03-24 18:12:00
● 2026-06-29 21:25:54

○PTRsk.s5.ans1.ns148.ztomy.com2017-03-22 → 2017-03-22 · 3 obs

● 2017-03-22 09:41:18
○ 2026-03-24 18:12:00
○ 2026-06-29 21:25:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net...	-
course2.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:3.80.109.14

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for course2.com (unsigned zone)

⏱️ Timing

Total: 690ms | 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	`nsg2.namebrightdns.com, nsg1.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

course2.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.

zionbet.com, diygrow.com, bondimage.com and two other host names share IP numbers with course2.com.

Name Servers

DNS for course2.com is handled by three authoritative name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

course2.com shares at least some of its name servers with other domains, including snookiescookies.com, evfile.com, raidzone.com and two others.

These name servers are frequently seen alongside the name servers ns2.namebrightdns.com.

Hostnames that resolve to 6 IP addresses:

nsg1.namebrightdns.com has IP addresses 13.221.131.54, 13.222.195.178 and 54.175.130.15, plus 3 other.

nsg2.namebrightdns.com has IP addresses 3.80.109.14, 98.81.3.34 and 98.83.212.177, plus 3 other.

Hostnames pointing to five IP numbers:

ns1.namebrightdns.com resolves to four IP addresses: 52.203.211.134, 52.204.81.90, 2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca and two others.