`learntu.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:c72d:d25c:bd0f:d3b7^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:cd38:117e:f524:1fa3^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:aff2:1f7c:72df:f773^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.84.200.136^{🇺🇸 Amazon54.84.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-84-200-136.compute-1.amazonaws.com`
		A	54.242.20.70^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-242-20-70.compute-1.amazonaws.com`
		A	107.22.75.210^{🇺🇸 Amazon107.22.0.0/16 EC2 IAD prefix}
			PTR	`ec2-107-22-75-210.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:2f90:7b32:9e5b:fb60^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:3427:dea:901f:33e5^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:683e:b359:e13d:6b0a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:7bd4:c0d4:de56:e3cd^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:c5d2:1e10:57ac:a5a1^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:836:59a7:cc77:dc29^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	13.217.196.181^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-217-196-181.compute-1.amazonaws.com`
		A	13.218.14.57^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-218-14-57.compute-1.amazonaws.com`
		A	13.218.193.84^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-218-193-84.compute-1.amazonaws.com`
		A	34.227.197.255^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
			PTR	`ec2-34-227-197-255.compute-1.amazonaws.com`
		A	34.229.140.134^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
			PTR	`ec2-34-229-140-134.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	98.88.73.203^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
			PTR	`ec2-98-88-73-203.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:d3ba:6f74:1c73:e3de^{🇺🇸 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:38af:3257:f404:8c63^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:4136:eadb:bc78:9b77^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:8fbe:558f:cbe8:90cc^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:d168:8ae0:7bd3:cb24^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.81.10.190^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-81-10-190.compute-1.amazonaws.com`
		A	34.228.66.227^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
			PTR	`ec2-34-228-66-227.compute-1.amazonaws.com`
		A	35.173.236.133^{🇺🇸 Amazon35.168.0.0/13 EC2 IAD prefix}
			PTR	`ec2-35-173-236-133.compute-1.amazonaws.com`
		A	52.90.182.127^{🇺🇸 Amazon52.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-52-90-182-127.compute-1.amazonaws.com`
		A	54.196.231.29^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
			PTR	`ec2-54-196-231-29.compute-1.amazonaws.com`
		A	100.31.56.7^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
			PTR	`ec2-100-31-56-7.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-04-02 #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=1775166902

Same first word

learntu.com

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DNS History

20 records (7 active, 13 former)

○NSbrett.ns.cloudflare.com2016-02-11 → 2016-02-11 · 3 obs

● 2016-02-11 00:23:46
○ 2017-03-14 14:40:20
○ 2026-04-02 22:18:18

○NScoco.ns.cloudflare.com2016-02-11 → 2016-02-11 · 3 obs

● 2016-02-11 00:23:46
○ 2017-03-14 14:40:20
○ 2026-04-02 22:18:18

●NSns1.namebrightdns.com2017-03-14 → 2026-04-02 · 3 obs

○ 2016-02-11 00:23:46
● 2017-03-14 14:40:20
● 2026-04-02 22:18:18

○NSns2.namebrightdns.com2017-03-14 → 2017-03-14 · 4 obs

○ 2016-02-11 00:23:46
● 2017-03-14 14:40:20
○ 2026-04-02 06:21:26
○ 2026-04-02 22:18:18

●NSnsg1.namebrightdns.com2026-04-02 → 2026-04-02 · 3 obs

○ 2017-03-14 14:40:20
● 2026-04-02 06:21:26
● 2026-04-02 22:18:18

●NSnsg2.namebrightdns.com2026-04-02 → 2026-04-02 · 3 obs

○ 2017-03-14 14:40:20
● 2026-04-02 06:21:26
● 2026-04-02 22:18:18

○MXalt1.aspmx.l.google.com2016-02-11 → 2016-02-11 · 3 obs

● 2016-02-11 00:23:46
○ 2017-03-14 14:40:20
○ 2026-04-02 22:18:18

○MXalt3.aspmx.l.google.com2016-02-11 → 2016-02-11 · 3 obs

● 2016-02-11 00:23:46
○ 2017-03-14 14:40:20
○ 2026-04-02 22:18:18

○MXalt4.aspmx.l.google.com2016-02-11 → 2016-02-11 · 3 obs

● 2016-02-11 00:23:46
○ 2017-03-14 14:40:20
○ 2026-04-02 22:18:18

○MXanmail.namebrightmail.com2017-03-14 → 2017-03-14 · 4 obs

○ 2016-02-11 00:23:46
● 2017-03-14 14:40:20
○ 2026-04-02 06:21:26
○ 2026-04-02 22:18:18

○MXaspmx.l.google.com2016-02-11 → 2016-02-11 · 3 obs

● 2016-02-11 00:23:46
○ 2017-03-14 14:40:20
○ 2026-04-02 22:18:18

○A104.24.120.1972016-02-11 → 2016-02-11 · 3 obs

● 2016-02-11 00:23:46
○ 2017-03-14 14:40:20
○ 2026-04-02 22:18:18

○A104.24.121.1972016-02-11 → 2016-02-11 · 3 obs

● 2016-02-11 00:23:46
○ 2017-03-14 14:40:20
○ 2026-04-02 22:18:18

●A13.223.25.842026-04-02 → 2026-04-02 · 3 obs

○ 2017-03-14 14:40:20
● 2026-04-02 06:21:26
● 2026-04-02 22:18:18

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-04-02 → 2026-04-02 · 3 obs

○ 2017-03-14 14:40:20
● 2026-04-02 06:21:26
● 2026-04-02 22:18:18

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-04-02 → 2026-04-02 · 3 obs

○ 2017-03-14 14:40:20
● 2026-04-02 06:21:26
● 2026-04-02 22:18:18

○A52.204.129.222017-03-14 → 2017-03-14 · 4 obs

○ 2016-02-11 00:23:46
● 2017-03-14 14:40:20
○ 2026-04-02 06:21:26
○ 2026-04-02 22:18:18

●A54.243.117.1972026-04-02 → 2026-04-02 · 3 obs

○ 2017-03-14 14:40:20
● 2026-04-02 06:21:26
● 2026-04-02 22:18:18

○A54.85.127.702017-03-14 → 2017-03-14 · 4 obs

○ 2016-02-11 00:23:46
● 2017-03-14 14:40:20
○ 2026-04-02 06:21:26
○ 2026-04-02 22:18:18

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-03-14 → 2017-03-14 · 3 obs

● 2017-03-14 14:40:20
○ 2026-04-02 06:21:26
○ 2026-04-02 22:18:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, i.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net...	-
learntu.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	25 records

✅ Authoritative Response

Server:34.229.140.134

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learntu.com (unsigned zone)

⏱️ Timing

Total: 157ms | 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	`nsg2.namebrightdns.com, nsg1.namebrightdns.com`
TXT	2	`v=spf1 -all, afternic-verification-G9G3tM8T8EwEizzPzj`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 25

Out-of-bailiwick: 25 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

learntu.com resolves to four IPs: 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 such as suzhoush.com, ns4.csbox.com, rsamanagement.com, cabodi.com and wanderkitchen.com share IP numbers with learntu.com.

Name Servers

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

At least part of the name servers for learntu.com are shared with other domains, for instance callimo.com, socketa.com, sdmvault.com, lavells.com and cedesc.com.

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

Host names with thirteen IP numbers:

The host name nsg1.namebrightdns.com points to: 2600:1f18:683a:ae1a:2f90:7b32:9e5b:fb60, 2600:1f18:683a:ae1a:3427:dea:901f:33e5, 2600:1f18:683a:ae1a:683e:b359:e13d:6b0a, 2600:1f18:683a:ae1a:7bd4:c0d4:de56:e3cd, 2600:1f18:683a:ae1a:c5d2:1e10:57ac:a5a1, 2600:1f18:683a:ae1b:836:59a7:cc77:dc29, 13.217.196.181, 13.218.14.57, 13.218.193.84, 34.227.197.255, 34.229.140.134, 44.220.149.224 and 98.88.73.203.

Host names with twelve IP numbers:

The host name nsg2.namebrightdns.com points to: 2600:1f18:683a:ae1a:d3ba:6f74:1c73:e3de, 2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a, 2600:1f18:683a:ae1b:38af:3257:f404:8c63, 2600:1f18:683a:ae1b:4136:eadb:bc78:9b77, 2600:1f18:683a:ae1b:8fbe:558f:cbe8:90cc, 2600:1f18:683a:ae1b:d168:8ae0:7bd3:cb24, 3.81.10.190, 34.228.66.227, 35.173.236.133, 52.90.182.127, 54.196.231.29 and 100.31.56.7.

Host names with six IP numbers:

The host name ns1.namebrightdns.com points to: 2600:1f18:683a:ae1a:c72d:d25c:bd0f:d3b7, 2600:1f18:683a:ae1a:cd38:117e:f524:1fa3, 2600:1f18:683a:ae1b:aff2:1f7c:72df:f773, 54.84.200.136, 54.242.20.70 and 107.22.75.210.

learntu.com - robtex.com

learntu.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`learntu.com`

`com`