`lessonsinmastery.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:f77:89a0:bb92:5271^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:5f14:22b0:b9c3:970f^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:a510:c365:d06a:e73a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.81.83.245^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-81-83-245.compute-1.amazonaws.com`
		A	3.94.169.176^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-94-169-176.compute-1.amazonaws.com`
		A	52.91.47.137^{🇺🇸 Amazon52.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-52-91-47-137.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:894e:779f:a1ca:3cf5^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:9806:d504:f0e4:26c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:aa5e:9502:d652:6d53^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:b2d2:f9bf:c31b:7e61^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.89.209.21^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-89-209-21.compute-1.amazonaws.com`
		A	13.220.56.184^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-220-56-184.compute-1.amazonaws.com`
		A	44.220.149.224^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-220-149-224.compute-1.amazonaws.com`
		A	54.88.138.42^{🇺🇸 Amazon54.88.0.0/16 EC2 IAD VPC prefix}
			PTR	`ec2-54-88-138-42.compute-1.amazonaws.com`
		A	98.81.135.11^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-81-135-11.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:6371:849e:3916:7db3^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:e1f7:fcf3:dce8:5758^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:e842:8110:107c:b494^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:4c22:ef5c:347c:ebc7^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:d886:b5ba:8512:894^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.85.217.230^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-85-217-230.compute-1.amazonaws.com`
		A	13.221.125.168^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-221-125-168.compute-1.amazonaws.com`
		A	54.175.160.3^{🇺🇸 Amazon54.174.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-175-160-3.compute-1.amazonaws.com`
		A	54.224.194.88^{🇺🇸 Amazon54.224.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-224-194-88.compute-1.amazonaws.com`
		A	98.93.89.251^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
			PTR	`ec2-98-93-89-251.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-03-26 #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=1774575147

Same first word

lessonsinmastery.com

DNS History

16 records (7 active, 9 former)

○NSdns1.registrar-servers.com2015-07-18 → 2017-02-20 · 4 obs

● 2015-07-18 01:20:58
● 2017-02-20 11:52:52
○ 2020-02-12 12:08:42
○ 2026-03-27 02:01:32

○NSdns2.registrar-servers.com2015-11-27 → 2017-02-20 · 5 obs

○ 2015-07-18 01:20:58
● 2015-11-27 13:56:58
● 2017-02-20 11:52:52
○ 2020-02-12 12:08:42
○ 2026-03-27 02:01:32

○NSdns3.registrar-servers.com2015-11-27 → 2017-02-20 · 5 obs

○ 2015-07-18 01:20:58
● 2015-11-27 13:56:58
● 2017-02-20 11:52:52
○ 2020-02-12 12:08:42
○ 2026-03-27 02:01:32

○NSdns4.registrar-servers.com2015-11-27 → 2017-02-20 · 5 obs

○ 2015-07-18 01:20:58
● 2015-11-27 13:56:58
● 2017-02-20 11:52:52
○ 2020-02-12 12:08:42
○ 2026-03-27 02:01:32

○NSdns5.registrar-servers.com2015-11-27 → 2017-02-20 · 5 obs

○ 2015-07-18 01:20:58
● 2015-11-27 13:56:58
● 2017-02-20 11:52:52
○ 2020-02-12 12:08:42
○ 2026-03-27 02:01:32

○NSns1.hover.com2020-02-12 → 2020-02-12 · 3 obs

○ 2017-02-20 11:52:52
● 2020-02-12 12:08:42
○ 2026-03-27 02:01:32

●NSns1.namebrightdns.com2026-03-27 → 2026-03-27 · 2 obs

○ 2020-02-12 12:08:42
● 2026-03-27 02:01:32

○NSns2.hover.com2020-02-12 → 2020-02-12 · 3 obs

○ 2017-02-20 11:52:52
● 2020-02-12 12:08:42
○ 2026-03-27 02:01:32

●NSnsg1.namebrightdns.com2026-03-27 → 2026-03-27 · 2 obs

○ 2020-02-12 12:08:42
● 2026-03-27 02:01:32

●NSnsg2.namebrightdns.com2026-03-27 → 2026-03-27 · 2 obs

○ 2020-02-12 12:08:42
● 2026-03-27 02:01:32

○MXmx.hover.com.cust.hostedemail.com2020-02-12 → 2020-02-12 · 2 obs

● 2020-02-12 12:08:42
○ 2026-03-27 02:01:32

●A13.223.25.842026-03-27 → 2026-03-27 · 2 obs

○ 2020-02-12 12:08:42
● 2026-03-27 02:01:32

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-27 → 2026-03-27 · 2 obs

○ 2020-02-12 12:08:42
● 2026-03-27 02:01:32

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-27 → 2026-03-27 · 2 obs

○ 2020-02-12 12:08:42
● 2026-03-27 02:01:32

●A54.243.117.1972026-03-27 → 2026-03-27 · 2 obs

○ 2020-02-12 12:08:42
● 2026-03-27 02:01:32

○A64.98.145.302020-02-12 → 2020-02-12 · 2 obs

● 2020-02-12 12:08:42
○ 2026-03-27 02:01:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
lessonsinmastery.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	18 records

✅ Authoritative Response

Server:13.221.125.168

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lessonsinmastery.com (unsigned zone)

⏱️ Timing

Total: 181ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.243.117.197, 13.223.25.84`
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: 18

Out-of-bailiwick: 18 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

lessonsinmastery.com points 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 mail.mlscredit.com, languagemuseum.com, www.statchat.com, wyfac.com and azpad.com share IP numbers with lessonsinmastery.com.

Name Servers

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

lessonsinmastery.com at least partially shares its name servers with other domains, for instance betlands.com, broker.www.emperorauto.com, maewha.com, dippyhippy.com and mail.assurancelegal.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:894e:779f:a1ca:3cf5, 2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a, 2600:1f18:683a:ae1b:9806:d504:f0e4:26c, 2600:1f18:683a:ae1b:aa5e:9502:d652:6d53, 2600:1f18:683a:ae1b:b2d2:f9bf:c31b:7e61, 3.89.209.21, 13.220.56.184, 44.220.149.224, 54.88.138.42 and 98.81.135.11.

nsg2.namebrightdns.com points to: 2600:1f18:683a:ae1a:6371:849e:3916:7db3, 2600:1f18:683a:ae1a:e1f7:fcf3:dce8:5758, 2600:1f18:683a:ae1a:e842:8110:107c:b494, 2600:1f18:683a:ae1b:4c22:ef5c:347c:ebc7, 2600:1f18:683a:ae1b:d886:b5ba:8512:894, 3.85.217.230, 13.221.125.168, 54.175.160.3, 54.224.194.88 and 98.93.89.251.

Host names with six IP numbers:

ns1.namebrightdns.com points to: 2600:1f18:683a:ae1a:f77:89a0:bb92:5271, 2600:1f18:683a:ae1a:5f14:22b0:b9c3:970f, 2600:1f18:683a:ae1b:a510:c365:d06a:e73a, 3.81.83.245, 3.94.169.176 and 52.91.47.137.

lessonsinmastery.com - robtex.com