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:e94c:1b8c:77a:2c56^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:80e7:3646:7534:e27e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	18.212.239.85^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
			PTR	`ec2-18-212-239-85.compute-1.amazonaws.com`
		A	54.197.216.126^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
			PTR	`ec2-54-197-216-126.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:6cd3:c02c:be79:5017^{🇺🇸 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:ae1b:a80d:aa66:fb:1e18^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.85.118.95^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-85-118-95.compute-1.amazonaws.com`
		A	52.55.198.41^{🇺🇸 Amazon52.54.0.0/15 EC2 Region prefix}
			PTR	`ec2-52-55-198-41.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:ae1a:651d:833a:8048:960^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:bfb:dca7:3bf0:7bd6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:e481:ba17:b27f:e48f^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.91.13.94^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-91-13-94.compute-1.amazonaws.com`
		A	44.222.227.90^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-222-227-90.compute-1.amazonaws.com`
		A	54.204.144.198^{🇺🇸 Amazon54.204.0.0/15 EC2 IAD Prefix}
			PTR	`ec2-54-204-144-198.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-06-11 #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=1781229468

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 → 2026-06-12 · 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
● 2026-06-12 02:03:28

○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
○ 2026-06-12 02:03:28

●NSnsg1.namebrightdns.com2015-11-03 → 2026-06-12 · 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
● 2026-06-12 02:03:28

●NSnsg2.namebrightdns.com2015-06-21 → 2026-06-12 · 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
● 2026-06-12 02:03:28

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

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

●A13.223.25.842026-02-16 → 2026-06-12 · 3 obs

○ 2020-02-24 12:57:08
● 2026-02-16 00:58:28
● 2026-06-12 02:03:28

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-16 → 2026-06-12 · 3 obs

○ 2020-02-24 12:57:08
● 2026-02-16 00:58:28
● 2026-06-12 02:03:28

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-16 → 2026-06-12 · 3 obs

○ 2020-02-24 12:57:08
● 2026-02-16 00:58:28
● 2026-06-12 02:03:28

○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
○ 2026-06-12 02:03:28

○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
○ 2026-06-12 02:03:28

○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
○ 2026-06-12 02:03:28

○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
○ 2026-06-12 02:03:28

○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
○ 2026-06-12 02:03:28

○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
○ 2026-06-12 02:03:28

○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
○ 2026-06-12 02:03:28

○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
○ 2026-06-12 02:03:28

●A54.243.117.1972026-02-16 → 2026-06-12 · 3 obs

○ 2020-02-24 12:57:08
● 2026-02-16 00:58:28
● 2026-06-12 02:03:28

○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
○ 2026-06-12 02:03:28

○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
○ 2026-06-12 02:03:28

○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
○ 2026-06-12 02:03:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net...	-
flexcourse.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:3.91.13.94

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for flexcourse.com (unsigned zone)

⏱️ Timing

Total: 1714ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.223.25.84, 54.243.117.197`
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 points to four IP numbers: 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.

gertravel.com, librarymagic.com, travesti(0x736578).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 3.85.118.95, 52.55.198.41 and 54.175.130.15, plus 3 other.

nsg2.namebrightdns.com has IP addresses 3.91.13.94, 44.222.227.90 and 54.204.144.198, plus 3 other.

Host names with four IP numbers:

ns1.namebrightdns.com points to 18.212.239.85, 54.197.216.126, 2600:1f18:683a:ae1a:e94c:1b8c:77a:2c56 and 2600:1f18:683a:ae1b:80e7:3646:7534:e27e.