`cbtuniversity.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:941d:603c:10ae:a55b^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:bf7f:1555:7f7e:bc3d^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.87.120.121^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-87-120-121.compute-1.amazonaws.com`
		A	54.87.219.199^{🇺🇸 Amazon54.87.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-87-219-199.compute-1.amazonaws.com`
		A	54.221.97.121^{🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-221-97-121.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:8f7d:e25b:d901:ce6a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:aa51:fd31:3c69:f691^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:ec0f:1ca0:2573:e629^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:f6dc:95b0:7323:b306^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:ca64:6f95:ea7:a9dc^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.91.91.72^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-91-91-72.compute-1.amazonaws.com`
		A	3.95.242.48^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-95-242-48.compute-1.amazonaws.com`
		A	18.234.93.33^{🇺🇸 Amazon18.232.0.0/14 EC2 IAD prefix}
			PTR	`ec2-18-234-93-33.compute-1.amazonaws.com`
		A	54.227.95.247^{🇺🇸 Amazon54.226.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-227-95-247.compute-1.amazonaws.com`
		A	204.236.194.148^{🇺🇸 Amazon204.236.192.0/18 Execution Services}
			PTR	`ec2-204-236-194-148.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:a0b3:83ff:50a9:44a6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:10ae:a73c:749e:ba96^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3c36:edc7:3de8:7b2f^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:5021:20f8:8244:f353^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:7f99:e4a9:d944:4558^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	18.208.218.58^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
			PTR	`ec2-18-208-218-58.compute-1.amazonaws.com`
		A	18.215.253.179^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
			PTR	`ec2-18-215-253-179.compute-1.amazonaws.com`
		A	52.90.160.125^{🇺🇸 Amazon52.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-52-90-160-125.compute-1.amazonaws.com`
		A	98.91.178.132^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
			PTR	`ec2-98-91-178-132.compute-1.amazonaws.com`
		A	100.31.89.178^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
			PTR	`ec2-100-31-89-178.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-04-13 #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=1776133967

Subdomains

ns.cbtuniversity.com

Same first word

cbtuniversity.com

Similar names

tbcuniversity.com

btcuniversity.com

DNS History

18 records (7 active, 11 former)

○NS(root)2016-03-26 → 2017-08-20 · 5 obs

○ 2015-10-14 22:06:00
● 2016-03-26 00:56:06
● 2017-08-20 15:05:54
○ 2026-03-26 10:25:02
○ 2026-04-14 02:53:40

●NSns1.namebrightdns.com2026-03-26 → 2026-04-14 · 3 obs

○ 2017-08-20 15:05:54
● 2026-03-26 10:25:02
● 2026-04-14 02:53:40

○NSns13.kenbit.com.cbtuniversity.com2016-03-26 → 2017-08-20 · 5 obs

○ 2015-10-14 22:06:00
● 2016-03-26 00:56:06
● 2017-08-20 15:05:54
○ 2026-03-26 10:25:02
○ 2026-04-14 02:53:40

○NSns14.kenbit.com.cbtuniversity.com2016-03-26 → 2017-08-20 · 5 obs

○ 2015-10-14 22:06:00
● 2016-03-26 00:56:06
● 2017-08-20 15:05:54
○ 2026-03-26 10:25:02
○ 2026-04-14 02:53:40

○NSns53.domaincontrol.com2015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 12:42:16
○ 2015-10-14 22:06:00
○ 2026-04-14 02:53:40

○NSns54.domaincontrol.com2015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 12:42:16
○ 2015-10-14 22:06:00
○ 2026-04-14 02:53:40

●NSnsg1.namebrightdns.com2026-03-26 → 2026-04-14 · 3 obs

○ 2017-08-20 15:05:54
● 2026-03-26 10:25:02
● 2026-04-14 02:53:40

●NSnsg2.namebrightdns.com2026-03-26 → 2026-04-14 · 3 obs

○ 2017-08-20 15:05:54
● 2026-03-26 10:25:02
● 2026-04-14 02:53:40

○MXmailstore1.secureserver.net2015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 12:42:16
○ 2015-10-14 22:06:00
○ 2026-04-14 02:53:40

○MXmx.zoho.com2016-03-26 → 2017-08-20 · 5 obs

○ 2015-10-14 22:06:00
● 2016-03-26 00:56:06
● 2017-08-20 15:05:54
○ 2026-03-26 10:25:02
○ 2026-04-14 02:53:40

○MXmx2.zoho.com2016-03-26 → 2017-08-20 · 5 obs

○ 2015-10-14 22:06:00
● 2016-03-26 00:56:06
● 2017-08-20 15:05:54
○ 2026-03-26 10:25:02
○ 2026-04-14 02:53:40

○MXsmtp.secureserver.net2015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 12:42:16
○ 2015-10-14 22:06:00
○ 2026-04-14 02:53:40

●A13.223.25.842026-03-26 → 2026-04-14 · 3 obs

○ 2017-08-20 15:05:54
● 2026-03-26 10:25:02
● 2026-04-14 02:53:40

○A208.91.198.922016-03-26 → 2017-08-20 · 5 obs

○ 2015-10-14 22:06:00
● 2016-03-26 00:56:06
● 2017-08-20 15:05:54
○ 2026-03-26 10:25:02
○ 2026-04-14 02:53:40

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-26 → 2026-04-14 · 3 obs

○ 2017-08-20 15:05:54
● 2026-03-26 10:25:02
● 2026-04-14 02:53:40

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-26 → 2026-04-14 · 3 obs

○ 2017-08-20 15:05:54
● 2026-03-26 10:25:02
● 2026-04-14 02:53:40

○A50.63.202.502015-05-17 → 2015-05-17 · 3 obs

● 2015-05-17 12:42:16
○ 2015-10-14 22:06:00
○ 2026-04-14 02:53:40

●A54.243.117.1972026-03-26 → 2026-04-14 · 3 obs

○ 2017-08-20 15:05:54
● 2026-03-26 10:25:02
● 2026-04-14 02:53:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net...	-
cbtuniversity.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	22 records

✅ Authoritative Response

Server:18.234.93.33

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cbtuniversity.com (unsigned zone)

⏱️ Timing

Total: 163ms | 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: 22

Out-of-bailiwick: 22 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

Hierarchy

ns.cbtuniversity.com is a child of cbtuniversity.com.

IP Addresses

cbtuniversity.com refers to four IP numbers: 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 13.223.25.84 and 54.243.117.197.

Other host names, for instance a5.turkfeed.com, mymoneyfish.com, azerys.com, mail.elyservices.com and arcondesign.com share IP numbers with cbtuniversity.com.

Name Servers

cbtuniversity.com is delegated to three name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

cbtuniversity.com at least partially shares name servers with other domains, including www.mustafaa.com, mp.qq.comfacebook.com, ccgs.net, getfabdeals.com and navilan.com.

these name servers are commonly used alongside the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com, expired1.namebrightdns.com and expired2.namebrightdns.com.

Host names with ten IP numbers:

nsg1.namebrightdns.com points to: 2600:1f18:683a:ae1a:8f7d:e25b:d901:ce6a, 2600:1f18:683a:ae1a:aa51:fd31:3c69:f691, 2600:1f18:683a:ae1a:ec0f:1ca0:2573:e629, 2600:1f18:683a:ae1a:f6dc:95b0:7323:b306, 2600:1f18:683a:ae1b:ca64:6f95:ea7:a9dc, 3.91.91.72, 3.95.242.48, 18.234.93.33, 54.227.95.247 and 204.236.194.148.

nsg2.namebrightdns.com points to: 2600:1f18:683a:ae1a:a0b3:83ff:50a9:44a6, 2600:1f18:683a:ae1b:10ae:a73c:749e:ba96, 2600:1f18:683a:ae1b:3c36:edc7:3de8:7b2f, 2600:1f18:683a:ae1b:5021:20f8:8244:f353, 2600:1f18:683a:ae1b:7f99:e4a9:d944:4558, 18.208.218.58, 18.215.253.179, 52.90.160.125, 98.91.178.132 and 100.31.89.178.

Host names with five IP numbers:

ns1.namebrightdns.com points to: 2600:1f18:683a:ae1a:941d:603c:10ae:a55b, 2600:1f18:683a:ae1b:bf7f:1555:7f7e:bc3d, 3.87.120.121, 54.87.219.199 and 54.221.97.121.

cbtuniversity.com - robtex.com