flexcourse.com - dns.ninja

`flexcourse.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:c41d:b4cf:322b:2aa6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.89.42.183^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-89-42-183.compute-1.amazonaws.com`
		A	100.58.124.42^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
			PTR	`ec2-100-58-124-42.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:5a94:e1d2:9d83:c12d^{🇺🇸 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	44.223.19.215^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-223-19-215.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`
		A	174.129.117.232^{🇺🇸 Amazon174.129.0.0/16 Execution Services}
			PTR	`ec2-174-129-117-232.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1b:1ae1:a0c9:519c:b048^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:ac3c:fcfb:521d:2fd5^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:ed3d:ef92:9331:4834^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.90.31.121^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-90-31-121.compute-1.amazonaws.com`
		A	54.162.235.48^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-162-235-48.compute-1.amazonaws.com`
		A	54.221.37.2^{🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-221-37-2.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-02 #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=1785650652

Same first word

flexcourse.com

Similar names

flexsource.ie

sourceflex.com

flexsource.us

flexsource.ca

frescoluxe.com

courseflex.com

flexsource.com

ecoflexrus.com

flexsource.info

flexsource.nl

flexsource.wpmudev.host

DNS History

20 records (7 active, 13 former)

●NSns1.namebrightdns.com2015-06-21 → 2026-08-02 · 8 obs

● 2015-06-21 16:28:12
○ 2015-11-03 02:05:22
● 2016-02-09 08:30:02
○ 2016-06-26 06:47:02
● 2017-02-09 07:31:00
○ 2020-02-24 12:57:08
● 2026-02-16 00:58:28
● 2026-08-02 06:29:24

○NSns2.namebrightdns.com2015-06-21 → 2017-02-09 · 6 obs

● 2015-06-21 16:28:12
○ 2015-11-03 02:05:22
○ 2016-06-26 06:47:02
● 2017-02-09 07:31:00
○ 2020-02-24 12:57:08
○ 2026-08-02 06:29:24

●NSnsg1.namebrightdns.com2015-11-03 → 2026-08-02 · 7 obs

○ 2015-06-21 16:28:12
● 2015-11-03 02:05:22
○ 2016-02-09 08:30:02
● 2016-06-26 06:47:02
○ 2017-02-09 07:31:00
● 2020-02-24 12:57:08
● 2026-08-02 06:29:24

●NSnsg2.namebrightdns.com2015-06-21 → 2026-08-02 · 5 obs

● 2015-06-21 16:28:12
● 2016-06-26 06:47:02
○ 2017-02-09 07:31:00
● 2020-02-24 12:57:08
● 2026-08-02 06:29:24

○MXanmail.namebrightmail.com2015-06-21 → 2015-06-21 · 3 obs

● 2015-06-21 16:28:12
○ 2015-11-03 02:05:22
○ 2026-08-02 06:29:24

●A13.223.25.842026-02-16 → 2026-08-02 · 3 obs

○ 2020-02-24 12:57:08
● 2026-02-16 00:58:28
● 2026-08-02 06:29:24

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-16 → 2026-08-02 · 3 obs

○ 2020-02-24 12:57:08
● 2026-02-16 00:58:28
● 2026-08-02 06:29:24

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-16 → 2026-08-02 · 3 obs

○ 2020-02-24 12:57:08
● 2026-02-16 00:58:28
● 2026-08-02 06:29:24

○A34.199.151.1632017-02-09 → 2017-02-09 · 4 obs

○ 2016-06-26 06:47:02
● 2017-02-09 07:31:00
○ 2020-02-24 12:57:08
○ 2026-08-02 06:29:24

○A52.0.96.242016-02-09 → 2016-02-09 · 4 obs

○ 2015-11-03 02:05:22
● 2016-02-09 08:30:02
○ 2016-06-26 06:47:02
○ 2026-08-02 06:29:24

○A52.20.154.32017-02-09 → 2017-02-09 · 4 obs

○ 2016-06-26 06:47:02
● 2017-02-09 07:31:00
○ 2020-02-24 12:57:08
○ 2026-08-02 06:29:24

○A52.200.243.1232016-06-26 → 2016-06-26 · 4 obs

○ 2016-02-09 08:30:02
● 2016-06-26 06:47:02
○ 2017-02-09 07:31:00
○ 2026-08-02 06:29:24

○A52.71.117.992016-02-09 → 2016-02-09 · 4 obs

○ 2015-11-03 02:05:22
● 2016-02-09 08:30:02
○ 2016-06-26 06:47:02
○ 2026-08-02 06:29:24

○A54.152.144.2432016-06-26 → 2016-06-26 · 4 obs

○ 2016-02-09 08:30:02
● 2016-06-26 06:47:02
○ 2017-02-09 07:31:00
○ 2026-08-02 06:29:24

○A54.174.31.2542015-06-21 → 2015-11-03 · 4 obs

● 2015-06-21 16:28:12
● 2015-11-03 02:05:22
○ 2016-02-09 08:30:02
○ 2026-08-02 06:29:24

○A54.208.74.2152015-06-21 → 2015-11-03 · 4 obs

● 2015-06-21 16:28:12
● 2015-11-03 02:05:22
○ 2016-02-09 08:30:02
○ 2026-08-02 06:29:24

●A54.243.117.1972026-02-16 → 2026-08-02 · 3 obs

○ 2020-02-24 12:57:08
● 2026-02-16 00:58:28
● 2026-08-02 06:29:24

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-06-21 → 2016-06-26 · 4 obs

● 2015-06-21 16:28:12
● 2016-06-26 06:47:02
○ 2017-02-09 07:31:00
○ 2026-08-02 06:29:24

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-02-09 → 2017-02-09 · 4 obs

○ 2016-06-26 06:47:02
● 2017-02-09 07:31:00
○ 2020-02-24 12:57:08
○ 2026-08-02 06:29:24

○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2020-02-24 → 2026-02-16 · 5 obs

○ 2017-02-09 07:31:00
● 2020-02-24 12:57:08
● 2026-02-16 00:58:28
○ 2026-03-21 10:09:40
○ 2026-08-02 06:29:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, d.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net...	-
flexcourse.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:3.90.31.121

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for flexcourse.com (unsigned zone)

⏱️ Timing

Total: 150ms | 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: 12

Out-of-bailiwick: 12 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

flexcourse.com has 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.

librarymagic.com, travesti(0x736578).com, mattable.com and two other host names share IP numbers with flexcourse.com.

Name Servers

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

flexcourse.com shares at least some of its name servers with other domains, including mondo-casino.com, ns2.technowize.net, muscleactivation.com.whoisbucket.com and two others.

These name servers are frequently paired with the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Hostnames that resolve to 6 IP addresses:

nsg1.namebrightdns.com has IP addresses 44.223.19.215, 54.234.103.190 and 174.129.117.232, plus 3 other.

nsg2.namebrightdns.com has IP addresses 3.90.31.121, 54.162.235.48 and 54.221.37.2, plus 3 other.

Hostnames that resolve to three IP addresses:

ns1.namebrightdns.com has IP addresses 3.89.42.183, 100.58.124.42 and 2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6.