cacourse.com - dns.ninja

`cacourse.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	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-07-04 #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=1783226991

Subdomains

mail.cacourse.com

Same first word

cacourse.com

Similar names

courseac.com

rcoeusca.net

casource.co.za

caoescru.com

reccousa.net

uasoccer.com

acuscore.com

reccousa.com

casureco.com.ph

accurose.com

DNS History

19 records (7 active, 12 former)

●NSns1.namebrightdns.com2026-03-17 → 2026-07-05 · 3 obs

○ 2017-04-05 09:43:34
● 2026-03-17 04:06:46
● 2026-07-05 05:13:52

○NSns6.space2host.net2008-12-11 → 2008-12-11 · 3 obs

● 2008-12-11 14:45:08
○ 2015-07-18 08:32:58
○ 2026-07-05 05:13:52

○NSns7.space2host.net2008-12-11 → 2008-12-11 · 3 obs

● 2008-12-11 14:45:08
○ 2015-07-18 08:32:58
○ 2026-07-05 05:13:52

●NSnsg1.namebrightdns.com2026-03-17 → 2026-07-05 · 3 obs

○ 2017-04-05 09:43:34
● 2026-03-17 04:06:46
● 2026-07-05 05:13:52

●NSnsg2.namebrightdns.com2026-03-17 → 2026-07-05 · 3 obs

○ 2017-04-05 09:43:34
● 2026-03-17 04:06:46
● 2026-07-05 05:13:52

○NSspace2host.earth.orderbox-dns.com2015-07-18 → 2016-07-21 · 5 obs

○ 2008-12-11 14:45:08
● 2015-07-18 08:32:58
● 2016-07-21 08:48:14
○ 2017-04-05 09:43:34
○ 2026-07-05 05:13:52

○NSspace2host.mars.orderbox-dns.com2015-07-18 → 2017-04-05 · 5 obs

○ 2008-12-11 14:45:08
● 2015-07-18 08:32:58
● 2017-04-05 09:43:34
○ 2026-03-17 04:06:46
○ 2026-07-05 05:13:52

○NSspace2host.mercury.orderbox-dns.com2015-07-18 → 2017-04-05 · 5 obs

○ 2008-12-11 14:45:08
● 2015-07-18 08:32:58
● 2017-04-05 09:43:34
○ 2026-03-17 04:06:46
○ 2026-07-05 05:13:52

○NSspace2host.venus.orderbox-dns.com2017-04-05 → 2017-04-05 · 4 obs

○ 2016-07-21 08:48:14
● 2017-04-05 09:43:34
○ 2026-03-17 04:06:46
○ 2026-07-05 05:13:52

○MXmail.cacourse.com2008-12-11 → 2008-12-11 · 3 obs

● 2008-12-11 14:45:08
○ 2015-07-18 08:32:58
○ 2026-07-05 05:13:52

○MXmx1.mailhostbox.com2015-07-18 → 2017-04-05 · 5 obs

○ 2008-12-11 14:45:08
● 2015-07-18 08:32:58
● 2017-04-05 09:43:34
○ 2026-03-17 04:06:46
○ 2026-07-05 05:13:52

○MXmx2.mailhostbox.com2015-07-18 → 2017-04-05 · 5 obs

○ 2008-12-11 14:45:08
● 2015-07-18 08:32:58
● 2017-04-05 09:43:34
○ 2026-03-17 04:06:46
○ 2026-07-05 05:13:52

○MXmx3.mailhostbox.com2015-07-18 → 2017-04-05 · 5 obs

○ 2008-12-11 14:45:08
● 2015-07-18 08:32:58
● 2017-04-05 09:43:34
○ 2026-03-17 04:06:46
○ 2026-07-05 05:13:52

●A13.223.25.842026-03-17 → 2026-07-05 · 3 obs

○ 2017-04-05 09:43:34
● 2026-03-17 04:06:46
● 2026-07-05 05:13:52

○A173.193.105.2422015-07-18 → 2017-04-05 · 5 obs

○ 2008-12-11 14:45:08
● 2015-07-18 08:32:58
● 2017-04-05 09:43:34
○ 2026-03-17 04:06:46
○ 2026-07-05 05:13:52

○A202.54.156.1132008-12-11 → 2008-12-11 · 3 obs

● 2008-12-11 14:45:08
○ 2015-07-18 08:32:58
○ 2026-07-05 05:13:52

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-17 → 2026-07-05 · 3 obs

○ 2017-04-05 09:43:34
● 2026-03-17 04:06:46
● 2026-07-05 05:13:52

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-17 → 2026-07-05 · 3 obs

○ 2017-04-05 09:43:34
● 2026-03-17 04:06:46
● 2026-07-05 05:13:52

●A54.243.117.1972026-03-17 → 2026-07-05 · 3 obs

○ 2017-04-05 09:43:34
● 2026-03-17 04:06:46
● 2026-07-05 05:13:52

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:13.221.131.54

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cacourse.com (unsigned zone)

⏱️ Timing

Total: 176ms | 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	`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

Hierarchy

cacourse.com is the parent zone for mail.cacourse.com.

IP Addresses

cacourse.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.

dasapes.com, www.notirock.com, kowines.com and two other host names share IP numbers with cacourse.com.

Name Servers

cacourse.com is served by three name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

cacourse.com partially shares its NS delegation with several other domains, including lavare.net, lovesima.com, 30-199.del.tulipconnect.com and two others.

These name servers regularly co-occur 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 maps to 13.221.131.54, 13.222.195.178, 54.175.130.15 and 3 additional IP addresses.

nsg2.namebrightdns.com maps to 3.80.109.14, 98.81.3.34, 98.83.212.177 and 3 additional IP addresses.

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.