`learn-by-examples.com`

DNSSEC	⚠️ Not signed
A	3.23.52.236^{🇺🇸 Amazon3.20.0.0/14 EC2 CMH prefix}
		PTR	`ec2-3-23-52-236.us-east-2.compute.amazonaws.com`
NS	`ns-1521.awsdns-62.org` ⭐
		A	2600:9000:5305:f100::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1521.awsdns-62.org`
		A	205.251.197.241^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1521.awsdns-62.org`
NS	`ns-1827.awsdns-36.co.uk`
		A	2600:9000:5307:2300::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1827.awsdns-36.co.uk`
		A	205.251.199.35^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1827.awsdns-36.co.uk`
NS	`ns-308.awsdns-38.com`
		A	2600:9000:5301:3400::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-308.awsdns-38.com`
		A	205.251.193.52^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-308.awsdns-38.com`
NS	`ns-551.awsdns-04.net`
		A	2600:9000:5302:2700::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-551.awsdns-04.net`
		A	205.251.194.39^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-551.awsdns-04.net`
SOA	`ns-1521.awsdns-62.org`awsdns-hostmaster@amazon.com serial=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=1771291435

Previously MX for

learn-by-examples.com

Subdomains

www.learn-by-examples.com

Same first word

learn-by-examples.com

DNS History

9 records (5 active, 4 former)

●NSns-1521.awsdns-62.org2026-02-16 → 2026-03-22 · 3 obs

○ 2017-11-07 22:20:38
● 2026-02-16 21:04:58
● 2026-03-22 15:42:44

●NSns-1827.awsdns-36.co.uk2026-02-16 → 2026-03-22 · 3 obs

○ 2017-11-07 22:20:38
● 2026-02-16 21:04:58
● 2026-03-22 15:42:44

●NSns-308.awsdns-38.com2026-02-16 → 2026-03-22 · 3 obs

○ 2017-11-07 22:20:38
● 2026-02-16 21:04:58
● 2026-03-22 15:42:44

●NSns-551.awsdns-04.net2026-02-16 → 2026-03-22 · 3 obs

○ 2017-11-07 22:20:38
● 2026-02-16 21:04:58
● 2026-03-22 15:42:44

○NSns1.md-in-52.webhostbox.net2016-12-16 → 2017-11-07 · 4 obs

● 2016-12-16 17:17:22
● 2017-11-07 22:20:38
○ 2026-02-16 21:04:58
○ 2026-03-22 15:42:44

○NSns2.md-in-52.webhostbox.net2016-12-16 → 2017-11-07 · 4 obs

● 2016-12-16 17:17:22
● 2017-11-07 22:20:38
○ 2026-02-16 21:04:58
○ 2026-03-22 15:42:44

○MXlearn-by-examples.com2016-12-16 → 2026-02-16 · 4 obs

● 2016-12-16 17:17:22
● 2026-02-16 21:04:58
○ 2026-02-18 05:22:06
○ 2026-03-22 15:42:44

○A111.118.215.402016-12-16 → 2017-11-07 · 4 obs

● 2016-12-16 17:17:22
● 2017-11-07 22:20:38
○ 2026-02-16 21:04:58
○ 2026-03-22 15:42:44

●A3.23.52.2362026-02-16 → 2026-03-22 · 3 obs

○ 2017-11-07 22:20:38
● 2026-02-16 21:04:58
● 2026-03-22 15:42:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
learn-by-examples.com	ns-551.awsdns-04.net, ns-308.awsdns-38.com, ns-1827.awsdns-36.co.uk, ns-1521.awsdns-62.org	1 record

✅ Authoritative Response

Server: 205.251.194.39

NS records: ns-551.awsdns-04.net, ns-308.awsdns-38.com, ns-1827.awsdns-36.co.uk, ns-1521.awsdns-62.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for learn-by-examples.com (unsigned zone)

⏱️ Timing

Total: 217ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.23.52.236`
NS	4	`ns-1521.awsdns-62.org, ns-1827.awsdns-36.co.uk...`
SOA	1	`ns-1521.awsdns-62.org awsdns-hostmaster.`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-308.awsdns-38.com)

Analysis

Hierarchy

The parent of www.learn-by-examples.com is learn-by-examples.com.

IP Addresses

learn-by-examples.com points to IP number: 3.23.52.236.

Other host names for instance www.learn-by-examples.com, ec2-3-23-52-236.us-east-2.compute.amazonaws.com, tools.knowledgewalls.com and knowledgewalls.com share IP numbers with learn-by-examples.com.

Name Servers

learn-by-examples.com is delegated to four name servers: ns-308.awsdns-38.com, ns-551.awsdns-04.net, ns-1521.awsdns-62.org and ns-1827.awsdns-36.co.uk.

learn-by-examples.com at least partially shares name servers with other domains, for instance cattlesociety.com, reportroyal.com, bissellcanada.com, aauforms.org and giftkaitori.net.

Host names with two IP numbers: ns-308.awsdns-38.com points to 2600:9000:5301:3400::1 and 205.251.193.52; ns-551.awsdns-04.net points to 2600:9000:5302:2700::1 and 205.251.194.39; ns-1521.awsdns-62.org points to 2600:9000:5305:f100::1 and 205.251.197.241; ns-1827.awsdns-36.co.uk points to 2600:9000:5307:2300::1 and 205.251.199.35.

learn-by-examples.com - robtex.com