understandlearning.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`understandlearning.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: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:f05e:353f:7f15:996a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.85.202.11^{🇺🇸 Amazon54.84.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-85-202-11.compute-1.amazonaws.com`
		A	54.152.124.255^{🇺🇸 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: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	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`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-16 #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=1786924179

Subdomains

www.understandlearning.com

Same first word

understandlearning.com

DNS History

15 records (7 active, 8 former)

○NSdns1.registrar-servers.com2019-12-14 → 2019-12-14 · 3 obs

● 2019-12-14 12:15:30
○ 2026-02-22 01:11:28
○ 2026-08-17 00:03:16

○NSdns2.registrar-servers.com2019-12-14 → 2019-12-14 · 3 obs

● 2019-12-14 12:15:30
○ 2026-02-22 01:11:28
○ 2026-08-17 00:03:16

●NSns1.namebrightdns.com2026-02-22 → 2026-08-17 · 3 obs

○ 2019-12-14 12:15:30
● 2026-02-22 01:11:28
● 2026-08-17 00:03:16

●NSnsg1.namebrightdns.com2026-02-22 → 2026-08-17 · 3 obs

○ 2019-12-14 12:15:30
● 2026-02-22 01:11:28
● 2026-08-17 00:03:16

●NSnsg2.namebrightdns.com2026-02-22 → 2026-08-17 · 3 obs

○ 2019-12-14 12:15:30
● 2026-02-22 01:11:28
● 2026-08-17 00:03:16

○MXeforward1.registrar-servers.com2019-12-14 → 2019-12-14 · 3 obs

● 2019-12-14 12:15:30
○ 2026-02-22 01:11:28
○ 2026-08-17 00:03:16

○MXeforward2.registrar-servers.com2019-12-14 → 2019-12-14 · 3 obs

● 2019-12-14 12:15:30
○ 2026-02-22 01:11:28
○ 2026-08-17 00:03:16

○MXeforward3.registrar-servers.com2019-12-14 → 2019-12-14 · 3 obs

● 2019-12-14 12:15:30
○ 2026-02-22 01:11:28
○ 2026-08-17 00:03:16

○MXeforward4.registrar-servers.com2019-12-14 → 2019-12-14 · 3 obs

● 2019-12-14 12:15:30
○ 2026-02-22 01:11:28
○ 2026-08-17 00:03:16

○MXeforward5.registrar-servers.com2019-12-14 → 2019-12-14 · 3 obs

● 2019-12-14 12:15:30
○ 2026-02-22 01:11:28
○ 2026-08-17 00:03:16

●A13.223.25.842026-02-22 → 2026-08-17 · 3 obs

○ 2019-12-14 12:15:30
● 2026-02-22 01:11:28
● 2026-08-17 00:03:16

○A192.64.119.2502019-12-14 → 2019-12-14 · 3 obs

● 2019-12-14 12:15:30
○ 2026-02-22 01:11:28
○ 2026-08-17 00:03:16

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-22 → 2026-08-17 · 3 obs

○ 2019-12-14 12:15:30
● 2026-02-22 01:11:28
● 2026-08-17 00:03:16

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-22 → 2026-08-17 · 3 obs

○ 2019-12-14 12:15:30
● 2026-02-22 01:11:28
● 2026-08-17 00:03:16

●A54.243.117.1972026-02-22 → 2026-08-17 · 3 obs

○ 2019-12-14 12:15:30
● 2026-02-22 01:11:28
● 2026-08-17 00:03:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, g.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net...	-
understandlearning.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:13.220.113.110

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for understandlearning.com (unsigned zone)

⏱️ Timing

Total: 175ms | 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: 12

Out-of-bailiwick: 12 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

Hierarchy

understandlearning.com is the parent zone for www.understandlearning.com.

IP Addresses

understandlearning.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 understandlearning.com are mail.uxcs.com, iotmedicare.com, premierloyalty.com and two others.

Name Servers

understandlearning.com has three name servers — ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

understandlearning.com partially shares its NS delegation with several other domains, including apfmo.com, zaadv.com, ashlr.com and two others.

These name servers regularly co-occur with the name servers domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and ns2.namebrightdns.com.

Host names resolving to 6 IP numbers:

nsg1.namebrightdns.com points to 54.85.202.11, 54.152.124.255, 54.198.24.7 and 3 other IP addresses.

nsg2.namebrightdns.com points to 13.220.54.74, 13.220.113.110, 34.230.11.24 and 3 other IP addresses.

Hosts with three IP address records:

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