learndc.com - dns.ninja

`learndc.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:7656:28f3:c41e:6487^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3975:367a:4a0c:5fae^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:81a7:6442:e46f:a90^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	13.221.6.144^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-221-6-144.compute-1.amazonaws.com`
		A	50.19.201.105^{🇺🇸 Amazon50.19.128.0/17 EC2 IAD prefix}
			PTR	`ec2-50-19-201-105.compute-1.amazonaws.com`
		A	98.88.250.187^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
			PTR	`ec2-98-88-250-187.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:9a1e:4b2a:cd71:614d^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:9b0b:7cbe:92d8:8abc^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:95b3:8a96:9a2f:d596^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	13.221.2.210^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-221-2-210.compute-1.amazonaws.com`
		A	54.92.211.175^{🇺🇸 Amazon54.92.128.0/17 EC2 IAD prefix}
			PTR	`ec2-54-92-211-175.compute-1.amazonaws.com`
		A	98.81.90.116^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-81-90-116.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:127f:d3dc:8309:a764^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:9b7e:32ba:4d4c:333^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:f68b:cec7:ae7:2ee2^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	52.90.129.222^{🇺🇸 Amazon52.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-52-90-129-222.compute-1.amazonaws.com`
		A	54.81.105.165^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-81-105-165.compute-1.amazonaws.com`
		A	107.22.22.169^{🇺🇸 Amazon107.22.0.0/16 EC2 IAD prefix}
			PTR	`ec2-107-22-22-169.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-06-08 #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=1780910796

Previously NS for

learndc.com

Subdomains

mx7.learndc.com

us-smtp-inbound-2.learndc.com

Same first word

learndc.com

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DNS History

20 records (7 active, 13 former)

○NSlearndc.com2016-06-22 → 2016-06-22 · 3 obs

● 2016-06-22 16:36:50
○ 2017-03-20 03:43:04
○ 2026-06-08 09:44:20

○NSns1.expiereddnsmanager.com2016-06-22 → 2016-06-22 · 3 obs

● 2016-06-22 16:36:50
○ 2017-03-20 03:43:04
○ 2026-06-08 09:44:20

●NSns1.namebrightdns.com2026-02-19 → 2026-06-08 · 3 obs

○ 2017-08-28 12:41:16
● 2026-02-19 19:20:06
● 2026-06-08 09:44:20

○NSns1626.ztomy.com2017-06-30 → 2017-08-28 · 5 obs

○ 2017-03-20 03:43:04
● 2017-06-30 03:27:10
● 2017-08-28 12:41:16
○ 2026-02-19 19:20:06
○ 2026-06-08 09:44:20

○NSns2.expiereddnsmanager.com2016-06-22 → 2016-06-22 · 3 obs

● 2016-06-22 16:36:50
○ 2017-03-20 03:43:04
○ 2026-06-08 09:44:20

○NSns2626.ztomy.com2017-06-30 → 2017-08-28 · 5 obs

○ 2017-03-20 03:43:04
● 2017-06-30 03:27:10
● 2017-08-28 12:41:16
○ 2026-02-19 19:20:06
○ 2026-06-08 09:44:20

○NSns49.domaincontrol.com2017-03-20 → 2017-03-20 · 4 obs

○ 2016-06-22 16:36:50
● 2017-03-20 03:43:04
○ 2017-06-30 03:27:10
○ 2026-06-08 09:44:20

○NSns50.domaincontrol.com2017-03-20 → 2017-03-20 · 4 obs

○ 2016-06-22 16:36:50
● 2017-03-20 03:43:04
○ 2017-06-30 03:27:10
○ 2026-06-08 09:44:20

●NSnsg1.namebrightdns.com2026-02-19 → 2026-06-08 · 3 obs

○ 2017-08-28 12:41:16
● 2026-02-19 19:20:06
● 2026-06-08 09:44:20

●NSnsg2.namebrightdns.com2026-02-19 → 2026-06-08 · 3 obs

○ 2017-08-28 12:41:16
● 2026-02-19 19:20:06
● 2026-06-08 09:44:20

○MXmx7.learndc.com2016-06-22 → 2016-06-22 · 3 obs

● 2016-06-22 16:36:50
○ 2017-03-20 03:43:04
○ 2026-06-08 09:44:20

○MXus-smtp-inbound-2.learndc.com2017-03-20 → 2017-03-20 · 4 obs

○ 2016-06-22 16:36:50
● 2017-03-20 03:43:04
○ 2017-06-30 03:27:10
○ 2026-06-08 09:44:20

●A13.223.25.842026-02-19 → 2026-06-08 · 3 obs

○ 2017-08-28 12:41:16
● 2026-02-19 19:20:06
● 2026-06-08 09:44:20

○A184.168.221.902017-03-20 → 2017-03-20 · 4 obs

○ 2016-06-22 16:36:50
● 2017-03-20 03:43:04
○ 2017-06-30 03:27:10
○ 2026-06-08 09:44:20

○A204.11.56.482017-06-30 → 2017-08-28 · 5 obs

○ 2017-03-20 03:43:04
● 2017-06-30 03:27:10
● 2017-08-28 12:41:16
○ 2026-02-19 19:20:06
○ 2026-06-08 09:44:20

○A213.247.47.1902016-06-22 → 2016-06-22 · 3 obs

● 2016-06-22 16:36:50
○ 2017-03-20 03:43:04
○ 2026-06-08 09:44:20

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-19 → 2026-06-08 · 3 obs

○ 2017-08-28 12:41:16
● 2026-02-19 19:20:06
● 2026-06-08 09:44:20

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-19 → 2026-06-08 · 3 obs

○ 2017-08-28 12:41:16
● 2026-02-19 19:20:06
● 2026-06-08 09:44:20

●A54.243.117.1972026-02-19 → 2026-06-08 · 3 obs

○ 2017-08-28 12:41:16
● 2026-02-19 19:20:06
● 2026-06-08 09:44:20

○PTRns1626.ztomy.com2017-06-30 → 2017-08-28 · 4 obs

● 2017-06-30 03:27:10
● 2017-08-28 12:41:16
○ 2026-02-19 19:20:06
○ 2026-06-08 09:44:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, e.gtld-servers.net, j.gtld-servers.net, a.gtld-servers.net...	-
learndc.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:13.221.2.210

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learndc.com (unsigned zone)

⏱️ Timing

Total: 189ms | 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: 12

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

Analysis

Hierarchy

learndc.com is the parent domain of mx7.learndc.com and us-smtp-inbound-2.learndc.com.

IP Addresses

learndc.com resolves to 4 IP numbers: 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.

Additional host names — concultura.com, uberbuyer.com, casterlabs.com and two others — share IP numbers with learndc.com.

Name Servers

The authoritative name servers for learndc.com are ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com — three in total.

learndc.com shares at least some of its name servers with other domains, including mta271.strikebiz.com, setcapital.com, hookedhub.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 with 6 IP numbers:

ns1.namebrightdns.com points to 13.221.6.144, 50.19.201.105, 98.88.250.187 and three other IP addresses.

nsg1.namebrightdns.com points to 13.221.2.210, 54.92.211.175, 98.81.90.116 and three other IP addresses.

nsg2.namebrightdns.com points to 52.90.129.222, 54.81.105.165, 107.22.22.169 and three other IP addresses.