coredu.com - dns.ninja

`coredu.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:65ae:2e20:df21:8839^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:b3be:301b:55cb:8855^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:4b76:1463:d5f8:e5bf^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	35.153.162.40^{🇺🇸 Amazon35.153.0.0/16 EC2 IAD prefix}
			PTR	`ec2-35-153-162-40.compute-1.amazonaws.com`
		A	54.86.29.224^{🇺🇸 Amazon54.86.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-86-29-224.compute-1.amazonaws.com`
		A	54.196.251.97^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
			PTR	`ec2-54-196-251-97.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:9b0b:7cbe:92d8:8abc^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:dcea:333b:2dec:9dd2^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:b2dc:b2be:c158:7c8b^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.92.211.175^{🇺🇸 Amazon54.92.128.0/17 EC2 IAD prefix}
			PTR	`ec2-54-92-211-175.compute-1.amazonaws.com`
		A	54.161.105.16^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-161-105-16.compute-1.amazonaws.com`
		A	98.81.90.116^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-81-90-116.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:127f:d3dc:8309:a764^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:9b7e:32ba:4d4c:333^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:f68b:cec7:ae7:2ee2^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	34.236.150.182^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
			PTR	`ec2-34-236-150-182.compute-1.amazonaws.com`
		A	54.81.105.165^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-81-105-165.compute-1.amazonaws.com`
		A	107.22.22.169^{🇺🇸 Amazon107.22.0.0/16 EC2 IAD prefix}
			PTR	`ec2-107-22-22-169.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-06-04 #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=1780565489

Same first word

coredu.org

coredu.com

coredu.fr

coredu.ro

Similar names

codeur.fr

oecdru.org

codeur.dev

urodec.ru

dcuero.com

rucode.org

reduco.it

crudeo.com

eucord.com

decoru.net

urcode.us

codeur.es

drueco.com

couder.org

rucode.ru

cruedo.com

dreuco.de

codure.com

dreuco.eu

udecor.com

docure.org

doceru.com

coudre.ch

codeur.tv

cudero.com

rucode.net

eurodc.se

eurodc.nl

urcode.xyz

eurodc.net

eurodc.com

educor.co.za

dureco.com

codeur.de

urcode.com

udecor.ir

codeur.ma

dureco.eu

coudre.shop

coedru.com

urcode.link

dreuco.net

edruco.be

coudre.qa

rudeco.de

erudoc.com

udorce.com

ducore.com

uredoc.net

codeur.online

decuro.de

codeur.nl

doceru.online

ecudor.ch

urcode.info

doceur.com

eurocd.pl

ecudor.ru

eurodc.de

decour.ca

decuro.com

coudre.fr

dorecu.cc

urdeco.com

codeur.ca

codeur.com

eucord.org

coudre.be

ducore.nl

decour.fr

reduco.ro

couder.net

deruco.com

eurocd.it

dcuero.online

udecor.vn

rudeco.es

eucord.com.my

rcoedu.ru

eurodc.eu

cdroeu.com

ecudor.fr

corude.com

roduce.store

dureco.co.kr

urcode.com.tw

educor.net

docure.com

educor.org

ducore.net

ecodur.de

eurodc.biz

decuro.se

cedoru.xyz

codeur.me

codeur.org

codeur.net

educor.eu

ucdoer.ie

deucor.com

ucredo.com

ducero.com

DNS History

16 records (7 active, 9 former)

●NSns1.namebrightdns.com2015-08-16 → 2026-06-04 · 4 obs

● 2015-08-16 17:00:02
○ 2015-12-10 18:40:06
● 2016-07-12 01:02:38
● 2026-06-04 09:53:04

○NSns2.namebrightdns.com2015-08-16 → 2017-09-05 · 5 obs

● 2015-08-16 17:00:02
○ 2015-12-10 18:40:06
● 2016-07-12 01:02:38
● 2017-09-05 06:47:54
○ 2026-06-04 09:53:04

●NSnsg1.namebrightdns.com2015-12-10 → 2026-06-04 · 5 obs

○ 2015-08-16 17:00:02
● 2015-12-10 18:40:06
○ 2016-07-12 01:02:38
○ 2017-09-05 06:47:54
● 2026-06-04 09:53:04

●NSnsg2.namebrightdns.com2015-12-10 → 2026-06-04 · 5 obs

○ 2015-08-16 17:00:02
● 2015-12-10 18:40:06
○ 2016-07-12 01:02:38
○ 2017-09-05 06:47:54
● 2026-06-04 09:53:04

○A107.23.160.2182015-12-10 → 2015-12-10 · 4 obs

○ 2015-08-16 17:00:02
● 2015-12-10 18:40:06
○ 2016-07-12 01:02:38
○ 2026-06-04 09:53:04

○A107.23.198.2402016-07-12 → 2016-07-12 · 4 obs

○ 2015-12-10 18:40:06
● 2016-07-12 01:02:38
○ 2017-09-05 06:47:54
○ 2026-06-04 09:53:04

●A13.223.25.842026-06-04 → 2026-06-04 · 2 obs

○ 2017-09-05 06:47:54
● 2026-06-04 09:53:04

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-06-04 → 2026-06-04 · 2 obs

○ 2017-09-05 06:47:54
● 2026-06-04 09:53:04

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-06-04 → 2026-06-04 · 2 obs

○ 2017-09-05 06:47:54
● 2026-06-04 09:53:04

○A52.4.72.1372016-07-12 → 2016-07-12 · 4 obs

○ 2015-12-10 18:40:06
● 2016-07-12 01:02:38
○ 2017-09-05 06:47:54
○ 2026-06-04 09:53:04

○A54.174.31.2542015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 17:00:02
○ 2017-09-05 06:47:54
○ 2026-06-04 09:53:04

○A54.208.74.2152015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 17:00:02
○ 2017-09-05 06:47:54
○ 2026-06-04 09:53:04

○A54.209.90.812015-12-10 → 2015-12-10 · 4 obs

○ 2015-08-16 17:00:02
● 2015-12-10 18:40:06
○ 2016-07-12 01:02:38
○ 2026-06-04 09:53:04

●A54.243.117.1972026-06-04 → 2026-06-04 · 2 obs

○ 2017-09-05 06:47:54
● 2026-06-04 09:53:04

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-08-16 → 2016-07-12 · 4 obs

● 2015-08-16 17:00:02
● 2016-07-12 01:02:38
○ 2017-09-05 06:47:54
○ 2026-06-04 09:53:04

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-09-05 → 2017-09-05 · 4 obs

○ 2016-07-12 01:02:38
● 2017-09-05 06:47:54
● 2017-09-05 06:48:02
○ 2026-06-04 09:53:04

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:54.161.105.16

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coredu.com (unsigned zone)

⏱️ Timing

Total: 204ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.223.25.84, 54.243.117.197`
AAAA	2	`2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee`
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

coredu.com resolves to 4 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.

Additional host names — bloowa.com, pqgames.com, www.nailsjournal.com and two others — share IP numbers with coredu.com.

Name Servers

The authoritative name servers for coredu.com are ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com — three in total.

coredu.com has at least partial name server overlap with other domains, such as 05.davidallgroup.com, bbmam.com, mail.alchemycapitalpartners.com and two others.

These name servers tend to appear together with the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Host names with 6 IP numbers:

ns1.namebrightdns.com has IP addresses 35.153.162.40, 54.86.29.224, 54.196.251.97 plus three more.

nsg1.namebrightdns.com has IP addresses 54.92.211.175, 54.161.105.16, 98.81.90.116 plus three more.

nsg2.namebrightdns.com has IP addresses 34.236.150.182, 54.81.105.165, 107.22.22.169 plus three more.