learntu.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`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:c41d:b4cf:322b:2aa6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.89.42.183^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-89-42-183.compute-1.amazonaws.com`
		A	100.58.124.42^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
			PTR	`ec2-100-58-124-42.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:214a:cec3:ce39:dcb9^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:95da:2d88:73b2:572d^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:b09d:83f0:e6b6:f42b^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:f585:1574:e760:ea38^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:2ded:5e32:1618:7e24^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:f05e:353f:7f15:996a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.80.28.219^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-80-28-219.compute-1.amazonaws.com`
		A	13.218.211.18^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-218-211-18.compute-1.amazonaws.com`
		A	54.85.202.11^{🇺🇸 Amazon54.84.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-85-202-11.compute-1.amazonaws.com`
		A	54.91.62.235^{🇺🇸 Amazon54.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-91-62-235.compute-1.amazonaws.com`
		A	54.152.124.255^{🇺🇸 Amazon54.152.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-152-124-255.compute-1.amazonaws.com`
		A	54.198.24.7^{🇺🇸 Amazon54.198.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-198-24-7.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:839a:1073:8e76:8236^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:dbe4:7131:a2ea:398^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:1329:cb8:9877:bd8f^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:4aaf:6a4d:9d6f:d35b^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:53a5:7e50:1f55:7b6f^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:c515:9dd8:a859:e94a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.80.58.200^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-80-58-200.compute-1.amazonaws.com`
		A	3.91.104.56^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-91-104-56.compute-1.amazonaws.com`
		A	13.220.54.74^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-220-54-74.compute-1.amazonaws.com`
		A	13.220.113.110^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-220-113-110.compute-1.amazonaws.com`
		A	34.230.11.24^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
			PTR	`ec2-34-230-11-24.compute-1.amazonaws.com`
		A	52.203.139.165^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
			PTR	`ec2-52-203-139-165.compute-1.amazonaws.com`
		A	54.146.48.70^{🇺🇸 Amazon54.144.0.0/14 EC2 IAD NAT prefix}
			PTR	`ec2-54-146-48-70.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-17 #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=1786948449

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
○ 2026-08-17 06:38:14

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

● 2016-02-11 00:23:46
○ 2017-03-14 14:40:20
○ 2026-08-17 06:38:14

●NSns1.namebrightdns.com2017-03-14 → 2026-08-17 · 3 obs

○ 2016-02-11 00:23:46
● 2017-03-14 14:40:20
● 2026-08-17 06:38:14

○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
○ 2026-08-17 06:38:14

●NSnsg1.namebrightdns.com2026-04-02 → 2026-08-17 · 3 obs

○ 2017-03-14 14:40:20
● 2026-04-02 06:21:26
● 2026-08-17 06:38:14

●NSnsg2.namebrightdns.com2026-04-02 → 2026-08-17 · 3 obs

○ 2017-03-14 14:40:20
● 2026-04-02 06:21:26
● 2026-08-17 06:38:14

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

● 2016-02-11 00:23:46
○ 2017-03-14 14:40:20
○ 2026-08-17 06:38:14

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

● 2016-02-11 00:23:46
○ 2017-03-14 14:40:20
○ 2026-08-17 06:38:14

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

● 2016-02-11 00:23:46
○ 2017-03-14 14:40:20
○ 2026-08-17 06:38:14

○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
○ 2026-08-17 06:38:14

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

● 2016-02-11 00:23:46
○ 2017-03-14 14:40:20
○ 2026-08-17 06:38:14

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

● 2016-02-11 00:23:46
○ 2017-03-14 14:40:20
○ 2026-08-17 06:38:14

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

● 2016-02-11 00:23:46
○ 2017-03-14 14:40:20
○ 2026-08-17 06:38:14

●A13.223.25.842026-04-02 → 2026-08-17 · 3 obs

○ 2017-03-14 14:40:20
● 2026-04-02 06:21:26
● 2026-08-17 06:38:14

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-04-02 → 2026-08-17 · 3 obs

○ 2017-03-14 14:40:20
● 2026-04-02 06:21:26
● 2026-08-17 06:38:14

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-04-02 → 2026-08-17 · 3 obs

○ 2017-03-14 14:40:20
● 2026-04-02 06:21:26
● 2026-08-17 06:38:14

○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
○ 2026-08-17 06:38:14

●A54.243.117.1972026-04-02 → 2026-08-17 · 3 obs

○ 2017-03-14 14:40:20
● 2026-04-02 06:21:26
● 2026-08-17 06:38:14

○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
○ 2026-08-17 06:38:14

○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
○ 2026-08-17 06:38:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net...	-
learntu.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	26 records

✅ Authoritative Response

Server:54.152.124.255

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learntu.com (unsigned zone)

⏱️ Timing

Total: 468ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.243.117.197, 13.223.25.84`
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	`v=spf1 -all, afternic-verification-G9G3tM8T8EwEizzPzj`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 26

Out-of-bailiwick: 26 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

learntu.com has four IP addresses: 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.

Among the host names that share IP numbers with learntu.com are suzhoush.com, ns4.csbox.com, rsamanagement.com and two others.

Name Servers

learntu.com carries NS records delegating to ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

learntu.com shares at least some of its name servers with other domains, including nz-top-fishing-sites.com.whoisbucket.com, callimo.com, socketa.com and two others.

These name servers are frequently paired with the name servers domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and ns2.namebrightdns.com.

Host names resolving to 13 IP numbers:

nsg2.namebrightdns.com resolves to 3.80.58.200, 3.91.104.56 and 13.220.54.74 among others, with 10 other IP addresses in total.

Host names resolving to 12 IP numbers:

nsg1.namebrightdns.com resolves to 3.80.28.219, 13.218.211.18 and 54.85.202.11 among others, with 9 other IP addresses in total.

Hosts with three IP address records:

The hostname ns1.namebrightdns.com points to 3.89.42.183, 100.58.124.42 and 2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6.