coursetrain.com - dns.ninja

`coursetrain.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	`domain-for-sale.hugedomainsdns.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	`forsale.hugedomainsdns.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	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-06-26 #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=1783254616

DNS History

19 records (7 active, 12 former)

●NSdomain-for-sale.hugedomainsdns.com2026-03-27 → 2026-07-06 · 3 obs

○ 2017-03-14 08:02:18
● 2026-03-27 10:09:14
● 2026-07-06 10:07:38

●NSforsale.hugedomainsdns.com2026-03-27 → 2026-07-06 · 3 obs

○ 2017-03-14 08:02:18
● 2026-03-27 10:09:14
● 2026-07-06 10:07:38

●NSns1.namebrightdns.com2015-07-19 → 2026-07-06 · 2 obs

● 2015-07-19 12:53:42
● 2026-07-06 10:07:38

○NSns2.namebrightdns.com2015-07-19 → 2017-03-14 · 4 obs

● 2015-07-19 12:53:42
● 2017-03-14 08:02:18
○ 2026-03-27 10:09:14
○ 2026-07-06 10:07:38

○MXanmail.namebrightmail.com2015-07-19 → 2015-07-19 · 3 obs

● 2015-07-19 12:53:42
○ 2015-11-25 21:27:32
○ 2026-07-06 10:07:38

○A107.23.42.502016-02-25 → 2016-02-25 · 4 obs

○ 2015-11-25 21:27:32
● 2016-02-25 13:53:56
○ 2016-06-27 06:35:26
○ 2026-07-06 10:07:38

●A13.223.25.842026-03-27 → 2026-07-06 · 3 obs

○ 2017-03-14 08:02:18
● 2026-03-27 10:09:14
● 2026-07-06 10:07:38

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-27 → 2026-07-06 · 3 obs

○ 2017-03-14 08:02:18
● 2026-03-27 10:09:14
● 2026-07-06 10:07:38

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-27 → 2026-07-06 · 3 obs

○ 2017-03-14 08:02:18
● 2026-03-27 10:09:14
● 2026-07-06 10:07:38

○A52.200.243.1232016-06-27 → 2016-06-27 · 4 obs

○ 2016-02-25 13:53:56
● 2016-06-27 06:35:26
○ 2017-03-14 08:02:18
○ 2026-07-06 10:07:38

○A52.204.129.222017-03-14 → 2017-03-14 · 4 obs

○ 2016-06-27 06:35:26
● 2017-03-14 08:02:18
○ 2026-03-27 10:09:14
○ 2026-07-06 10:07:38

○A52.73.136.1402016-02-25 → 2016-02-25 · 4 obs

○ 2015-11-25 21:27:32
● 2016-02-25 13:53:56
○ 2016-06-27 06:35:26
○ 2026-07-06 10:07:38

○A54.152.144.2432016-06-27 → 2016-06-27 · 4 obs

○ 2016-02-25 13:53:56
● 2016-06-27 06:35:26
○ 2017-03-14 08:02:18
○ 2026-07-06 10:07:38

○A54.174.31.2542015-07-19 → 2015-11-25 · 4 obs

● 2015-07-19 12:53:42
● 2015-11-25 21:27:32
○ 2016-02-25 13:53:56
○ 2026-07-06 10:07:38

○A54.208.74.2152015-07-19 → 2015-11-25 · 4 obs

● 2015-07-19 12:53:42
● 2015-11-25 21:27:32
○ 2016-02-25 13:53:56
○ 2026-07-06 10:07:38

●A54.243.117.1972026-03-27 → 2026-07-06 · 3 obs

○ 2017-03-14 08:02:18
● 2026-03-27 10:09:14
● 2026-07-06 10:07:38

○A54.85.127.702017-03-14 → 2017-03-14 · 4 obs

○ 2016-06-27 06:35:26
● 2017-03-14 08:02:18
○ 2026-03-27 10:09:14
○ 2026-07-06 10:07:38

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-07-19 → 2016-06-27 · 4 obs

● 2015-07-19 12:53:42
● 2016-06-27 06:35:26
○ 2017-03-14 08:02:18
○ 2026-07-06 10:07:38

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-03-14 → 2017-03-14 · 4 obs

○ 2016-06-27 06:35:26
● 2017-03-14 08:02:18
○ 2026-03-27 10:09:14
○ 2026-07-06 10:07:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
coursetrain.com	domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com	12 records

✅ Authoritative Response

Server:3.80.109.14

NS records: domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursetrain.com (unsigned zone)

⏱️ Timing

Total: 1324ms | 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	`domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.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 (domain-for-sale.hugedomainsdns.com, domain-for-sale.hugedomainsdns.com, domain-for-sale.hugedomainsdns.com...)

Analysis

IP Addresses

coursetrain.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.

Name Servers

coursetrain.com carries NS records delegating to domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and ns1.namebrightdns.com.

Hostnames that resolve to 6 IP addresses:

domain-for-sale.hugedomainsdns.com resolves to 13.221.131.54, 13.222.195.178 and 54.175.130.15 among others, with 3 other IP addresses in total.

forsale.hugedomainsdns.com resolves to 3.80.109.14, 98.81.3.34 and 98.83.212.177 among others, with 3 other IP addresses in total.

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.