courseexpress.com - dns.ninja

`courseexpress.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	`ns2.namebrightdns.com`
		A	2600:1f18:683a:ae1b:885d:9b52:c623:6fb9^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.234.117.29^{🇺🇸 Amazon54.234.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-234-117-29.compute-1.amazonaws.com`
		A	54.243.19.140^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-243-19-140.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-07-13 #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=1783935867

Same first word

courseexpress.fr

courseexpress.com

Similar names

sourceexpress.com

expresssource.com

expresscourse.com

DNS History

18 records (6 active, 12 former)

○NSns1.fabulous.com2015-07-24 → 2016-06-23 · 4 obs

● 2015-07-24 16:03:14
● 2016-06-23 12:32:56
○ 2017-02-05 00:27:08
○ 2026-07-13 09:46:44

●NSns1.namebrightdns.com2017-02-05 → 2026-07-13 · 3 obs

○ 2016-06-23 12:32:56
● 2017-02-05 00:27:08
● 2026-07-13 09:46:44

○NSns2.fabulous.com2015-07-24 → 2016-06-23 · 4 obs

● 2015-07-24 16:03:14
● 2016-06-23 12:32:56
○ 2017-02-05 00:27:08
○ 2026-07-13 09:46:44

●NSns2.namebrightdns.com2017-02-05 → 2026-07-13 · 3 obs

○ 2016-06-23 12:32:56
● 2017-02-05 00:27:08
● 2026-07-13 09:46:44

○MXmail.b-io.co2015-07-24 → 2016-06-23 · 4 obs

● 2015-07-24 16:03:14
● 2016-06-23 12:32:56
○ 2017-02-05 00:27:08
○ 2026-07-13 09:46:44

●A13.223.25.842026-04-04 → 2026-07-13 · 3 obs

○ 2018-09-19 12:34:16
● 2026-04-04 06:52:12
● 2026-07-13 09:46:44

○A208.48.81.1332015-07-24 → 2015-11-28 · 4 obs

● 2015-07-24 16:03:14
● 2015-11-28 07:49:22
○ 2016-02-29 14:51:32
○ 2026-07-13 09:46:44

○A208.48.81.1342015-07-24 → 2015-11-28 · 4 obs

● 2015-07-24 16:03:14
● 2015-11-28 07:49:22
○ 2016-02-29 14:51:32
○ 2026-07-13 09:46:44

○A208.48.81.1792015-07-24 → 2015-07-24 · 3 obs

● 2015-07-24 16:03:14
○ 2017-02-05 00:27:08
○ 2026-07-13 09:46:44

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-04-04 → 2026-07-13 · 3 obs

○ 2018-09-19 12:34:16
● 2026-04-04 06:52:12
● 2026-07-13 09:46:44

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-04-04 → 2026-07-13 · 3 obs

○ 2018-09-19 12:34:16
● 2026-04-04 06:52:12
● 2026-07-13 09:46:44

○A52.54.132.832017-02-05 → 2017-02-05 · 4 obs

○ 2016-06-23 12:32:56
● 2017-02-05 00:27:08
○ 2018-09-19 12:34:16
○ 2026-07-13 09:46:44

●A54.243.117.1972026-04-04 → 2026-07-13 · 3 obs

○ 2018-09-19 12:34:16
● 2026-04-04 06:52:12
● 2026-07-13 09:46:44

○A54.88.107.1402017-02-05 → 2017-02-05 · 4 obs

○ 2016-06-23 12:32:56
● 2017-02-05 00:27:08
○ 2018-09-19 12:34:16
○ 2026-07-13 09:46:44

○A64.15.205.1002015-07-24 → 2015-11-28 · 4 obs

● 2015-07-24 16:03:14
● 2015-11-28 07:49:22
○ 2016-02-29 14:51:32
○ 2026-07-13 09:46:44

○A64.15.205.1012015-07-24 → 2015-11-28 · 4 obs

● 2015-07-24 16:03:14
● 2015-11-28 07:49:22
○ 2016-02-29 14:51:32
○ 2026-07-13 09:46:44

○A98.124.245.242016-02-29 → 2016-06-23 · 5 obs

○ 2015-11-28 07:49:22
● 2016-02-29 14:51:32
● 2016-06-23 12:32:56
○ 2017-02-05 00:27:08
○ 2026-07-13 09:46:44

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-02-05 → 2018-09-19 · 4 obs

● 2017-02-05 00:27:08
● 2018-09-19 12:34:16
○ 2026-04-04 06:52:12
○ 2026-07-13 09:46:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
courseexpress.com	ns1.namebrightdns.com, ns2.namebrightdns.com	8 records

✅ Authoritative Response

Server:52.203.211.134

NS records: ns1.namebrightdns.com, ns2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for courseexpress.com (unsigned zone)

⏱️ Timing

Total: 332ms | 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	`ns2.namebrightdns.com, ns1.namebrightdns.com`
TXT	2	`afternic-verification-G9G3tM8T8EwEizzPzj, v=spf1 -all`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.namebrightdns.com, ns1.namebrightdns.com, ns1.namebrightdns.com...)

Analysis

IP Addresses

courseexpress.com points to the 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.

Two other host names, along with safechildrenshospital.com, loadempire.com and 50-57-147-166.static.cloud-ips.com, also share IP numbers with courseexpress.com.

Name Servers

courseexpress.com has two authoritative name servers — ns1.namebrightdns.com and ns2.namebrightdns.com.

courseexpress.com shares its NS records with other domains, for example gamertales.com, acnucmed.com, 7072.lulu7.com and two others.

At least some of courseexpress.com's name servers are shared with other domains, for example cndch.com, 12-monkeys.com, remoteresponder.com and two more.

These name servers are often deployed together with the name servers nsg1.namebrightdns.com, nsg2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Host names directing to five IP addresses:

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

Hostnames that map to three IP numbers:

ns2.namebrightdns.com resolves to 54.234.117.29, 54.243.19.140 and 2600:1f18:683a:ae1b:885d:9b52:c623:6fb9.