cupedu.com - dns.ninja

`cupedu.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:9b5a:7d38:2d23:6714^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.93.61.140^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-93-61-140.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:ae1a:1ff8:84b4:19de:5ca6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:18c:37a5:651d:7bdc^{🇺🇸 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	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`
		A	54.235.53.129^{🇺🇸 Amazon54.234.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-235-53-129.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-05 #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=1785923944

Same first word

cupedu.com

Similar names

cpuedu.com

educup.com

cuedup.co.nz

cpuedu.cn

cuedup.com

pucedu.com

ucpedu.com

educup.io

DNS History

22 records (7 active, 15 former)

○NSdpns1.dnsnameserver.org2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 05:11:44
○ 2015-05-31 13:18:28
○ 2026-08-05 10:23:38

○NSdpns2.dnsnameserver.org2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 05:11:44
○ 2015-05-31 13:18:28
○ 2026-08-05 10:23:38

○NSdpns3.dnsnameserver.org2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 05:11:44
○ 2015-05-31 13:18:28
○ 2026-08-05 10:23:38

○NSdpns4.dnsnameserver.org2008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 05:11:44
○ 2015-05-31 13:18:28
○ 2026-08-05 10:23:38

○NSf1g1ns1.dnspod.net2015-05-31 → 2015-10-27 · 5 obs

○ 2008-03-15 05:11:44
● 2015-05-31 13:18:28
● 2015-10-27 00:45:04
○ 2016-01-15 09:10:20
○ 2026-08-05 10:23:38

○NSf1g1ns2.dnspod.net2015-05-31 → 2015-10-27 · 5 obs

○ 2008-03-15 05:11:44
● 2015-05-31 13:18:28
● 2015-10-27 00:45:04
○ 2016-01-15 09:10:20
○ 2026-08-05 10:23:38

●NSns1.namebrightdns.com2016-04-09 → 2026-08-05 · 3 obs

○ 2016-01-15 09:10:20
● 2016-04-09 05:33:26
● 2026-08-05 10:23:38

○NSns2.namebrightdns.com2016-04-09 → 2018-10-01 · 5 obs

○ 2016-01-15 09:10:20
● 2016-04-09 05:33:26
● 2018-10-01 01:15:44
○ 2026-03-28 08:38:24
○ 2026-08-05 10:23:38

●NSnsg1.namebrightdns.com2026-03-28 → 2026-08-05 · 3 obs

○ 2018-10-01 01:15:44
● 2026-03-28 08:38:24
● 2026-08-05 10:23:38

●NSnsg2.namebrightdns.com2016-04-09 → 2026-08-05 · 6 obs

○ 2016-01-15 09:10:20
● 2016-04-09 05:33:26
○ 2017-01-08 23:07:12
○ 2018-10-01 01:15:44
● 2026-03-28 08:38:24
● 2026-08-05 10:23:38

●A13.223.25.842026-03-28 → 2026-08-05 · 3 obs

○ 2018-10-01 01:15:44
● 2026-03-28 08:38:24
● 2026-08-05 10:23:38

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-28 → 2026-08-05 · 3 obs

○ 2018-10-01 01:15:44
● 2026-03-28 08:38:24
● 2026-08-05 10:23:38

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-28 → 2026-08-05 · 3 obs

○ 2018-10-01 01:15:44
● 2026-03-28 08:38:24
● 2026-08-05 10:23:38

○A52.200.243.1232016-04-09 → 2016-04-09 · 4 obs

○ 2016-01-15 09:10:20
● 2016-04-09 05:33:26
○ 2017-01-08 23:07:12
○ 2026-08-05 10:23:38

○A54.152.144.2432016-04-09 → 2016-04-09 · 4 obs

○ 2016-01-15 09:10:20
● 2016-04-09 05:33:26
○ 2017-01-08 23:07:12
○ 2026-08-05 10:23:38

●A54.243.117.1972026-03-28 → 2026-08-05 · 3 obs

○ 2018-10-01 01:15:44
● 2026-03-28 08:38:24
● 2026-08-05 10:23:38

○A54.82.156.192017-01-08 → 2017-01-08 · 4 obs

○ 2016-04-09 05:33:26
● 2017-01-08 23:07:12
○ 2018-10-01 01:15:44
○ 2026-08-05 10:23:38

○A54.86.225.1562017-01-08 → 2017-01-08 · 4 obs

○ 2016-04-09 05:33:26
● 2017-01-08 23:07:12
○ 2018-10-01 01:15:44
○ 2026-08-05 10:23:38

○A69.30.224.842015-10-27 → 2015-10-27 · 4 obs

○ 2008-03-15 05:11:44
● 2015-10-27 00:45:04
○ 2016-01-15 09:10:20
○ 2026-08-05 10:23:38

○A72.20.110.82008-03-15 → 2008-03-15 · 3 obs

● 2008-03-15 05:11:44
○ 2015-05-31 13:18:28
○ 2026-08-05 10:23:38

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2016-04-09 → 2016-04-09 · 3 obs

● 2016-04-09 05:33:26
○ 2017-01-08 23:07:12
○ 2026-08-05 10:23:38

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-01-08 → 2018-10-01 · 5 obs

○ 2016-04-09 05:33:26
● 2017-01-08 23:07:12
● 2018-10-01 01:15:44
○ 2026-03-28 08:38:24
○ 2026-08-05 10:23:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cupedu.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:174.129.117.232

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cupedu.com (unsigned zone)

⏱️ Timing

Total: 183ms | 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	`v=spf1 -all, afternic-verification-G9G3tM8T8EwEizzPzj`
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

cupedu.com directs to four IP numbers, which are 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 mail.sendrop.com, nmups.com and trmai.com, also share IP numbers with cupedu.com.

Name Servers

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

At least some of cupedu.com's name servers are shared with other domains, for example build-www.cologneguru.com, dollarbit.com, shkjzx.com--ww.analysiswebsites.com and two more.

It is common for these name servers to be used in conjunction with the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

DNS names with 7 IP addresses:

nsg2.namebrightdns.com maps to 54.162.235.48, 54.221.37.2, 54.235.53.129 and 4 additional IP addresses.

Host names directing to five IP addresses:

nsg1.namebrightdns.com has four IP addresses — 3.93.61.140, 54.234.103.190, 174.129.117.232 and two others.

Hostnames that map to three IP numbers:

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