`costoflearning.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:ae1a:b388:33d7:6b80:b869^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:76c:f6ba:3590:e429^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:852a:590e:7ebc:38bf^{🇺🇸 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	18.209.99.9^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
			PTR	`ec2-18-209-99-9.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:6910:62f4:32fe:da87^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:6bcf:8a8b:3648:ae67^{🇺🇸 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:2695:cdec:ddf2:6d12^{🇺🇸 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	18.208.218.58^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
			PTR	`ec2-18-208-218-58.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	32.192.212.103
			PTR	`ec2-32-192-212-103.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`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:3cec:428f:f959:bbcd^{🇺🇸 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:1a53:4f01:b8e5:70ce^{🇺🇸 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	34.226.197.57^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
			PTR	`ec2-34-226-197-57.compute-1.amazonaws.com`
		A	54.167.59.20^{🇺🇸 Amazon54.167.0.0/17}
			PTR	`ec2-54-167-59-20.compute-1.amazonaws.com`
		A	98.86.225.195^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-86-225-195.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	98.93.47.182^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
			PTR	`ec2-98-93-47-182.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-04-12 #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=1775981287

Same first word

costoflearning.com

Similar names

scantleroofing.co.uk

fntsocalregion.com

ascentflooring.com

DNS History

13 records (7 active, 6 former)

○NSns01.domaincontrol.com2015-05-09 → 2017-06-11 · 4 obs

● 2015-05-09 06:40:30
● 2017-06-11 06:04:42
○ 2026-03-31 05:08:28
○ 2026-04-12 08:13:42

○NSns02.domaincontrol.com2015-05-09 → 2017-06-11 · 4 obs

● 2015-05-09 06:40:30
● 2017-06-11 06:04:42
○ 2026-03-31 05:08:28
○ 2026-04-12 08:13:42

●NSns1.namebrightdns.com2026-03-31 → 2026-04-12 · 3 obs

○ 2017-06-11 06:04:42
● 2026-03-31 05:08:28
● 2026-04-12 08:13:42

●NSnsg1.namebrightdns.com2026-03-31 → 2026-04-12 · 3 obs

○ 2017-06-11 06:04:42
● 2026-03-31 05:08:28
● 2026-04-12 08:13:42

●NSnsg2.namebrightdns.com2026-03-31 → 2026-04-12 · 3 obs

○ 2017-06-11 06:04:42
● 2026-03-31 05:08:28
● 2026-04-12 08:13:42

○MXmailstore1.secureserver.net2015-05-09 → 2017-06-11 · 4 obs

● 2015-05-09 06:40:30
● 2017-06-11 06:04:42
○ 2026-03-31 05:08:28
○ 2026-04-12 08:13:42

○MXsmtp.secureserver.net2015-05-09 → 2017-06-11 · 4 obs

● 2015-05-09 06:40:30
● 2017-06-11 06:04:42
○ 2026-03-31 05:08:28
○ 2026-04-12 08:13:42

○A107.170.98.532015-05-09 → 2016-04-06 · 4 obs

● 2015-05-09 06:40:30
● 2016-04-06 12:46:32
○ 2016-11-08 06:18:28
○ 2026-04-12 08:13:42

●A13.223.25.842026-03-31 → 2026-04-12 · 3 obs

○ 2017-06-11 06:04:42
● 2026-03-31 05:08:28
● 2026-04-12 08:13:42

○A162.243.95.1512016-11-08 → 2017-06-11 · 5 obs

○ 2016-04-06 12:46:32
● 2016-11-08 06:18:28
● 2017-06-11 06:04:42
○ 2026-03-31 05:08:28
○ 2026-04-12 08:13:42

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-31 → 2026-04-12 · 3 obs

○ 2017-06-11 06:04:42
● 2026-03-31 05:08:28
● 2026-04-12 08:13:42

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-31 → 2026-04-12 · 3 obs

○ 2017-06-11 06:04:42
● 2026-03-31 05:08:28
● 2026-04-12 08:13:42

●A54.243.117.1972026-03-31 → 2026-04-12 · 3 obs

○ 2017-06-11 06:04:42
● 2026-03-31 05:08:28
● 2026-04-12 08:13:42

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:34.226.197.57

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for costoflearning.com (unsigned zone)

⏱️ Timing

Total: 250ms | 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	`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: 22

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

Analysis

IP Addresses

Four IP numbers are pointed to by costoflearning.com: 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 including thesonderproject.com, slabeste.com, 49qs.com, 110-234-141-254.del.tulipconnect.com and wesaveloans.com share IP numbers with costoflearning.com.

Name Servers

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

costoflearning.com at least partially shares name servers with other domains, for instance meetingtool.com, campscan.com, castcafe.com, zbarber.com and digitalanddirect.com.

These name servers are commonly used with ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Host names with ten IP numbers:

nsg1.namebrightdns.com points to: 2600:1f18:683a:ae1a:6910:62f4:32fe:da87, 2600:1f18:683a:ae1a:6bcf:8a8b:3648:ae67, 2600:1f18:683a:ae1a:ec0f:1ca0:2573:e629, 2600:1f18:683a:ae1a:f6dc:95b0:7323:b306, 2600:1f18:683a:ae1b:2695:cdec:ddf2:6d12, 3.91.91.72, 18.208.218.58, 18.234.93.33, 32.192.212.103 and 100.31.89.178.

nsg2.namebrightdns.com points to: 2600:1f18:683a:ae1a:3cec:428f:f959:bbcd, 2600:1f18:683a:ae1b:10ae:a73c:749e:ba96, 2600:1f18:683a:ae1b:1a53:4f01:b8e5:70ce, 2600:1f18:683a:ae1b:3c36:edc7:3de8:7b2f, 2600:1f18:683a:ae1b:5021:20f8:8244:f353, 34.226.197.57, 54.167.59.20, 98.86.225.195, 98.91.178.132 and 98.93.47.182.

Host names with seven IP numbers:

ns1.namebrightdns.com points to: 2600:1f18:683a:ae1a:941d:603c:10ae:a55b, 2600:1f18:683a:ae1a:b388:33d7:6b80:b869, 2600:1f18:683a:ae1b:76c:f6ba:3590:e429, 2600:1f18:683a:ae1b:852a:590e:7ebc:38bf, 3.87.120.121, 18.209.99.9 and 54.221.97.121.

costoflearning.com - robtex.com