`knowledgewalls.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-905.awsdns-49.net` ⭐
		A	2600:9000:5303:8900::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-905.awsdns-49.net`
		A	205.251.195.137^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-905.awsdns-49.net`
NS	`ns-1305.awsdns-35.org`
		A	2600:9000:5305:1900::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1305.awsdns-35.org`
		A	205.251.197.25^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1305.awsdns-35.org`
NS	`ns-2044.awsdns-63.co.uk`
		A	2600:9000:5307:fc00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-2044.awsdns-63.co.uk`
		A	205.251.199.252^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-2044.awsdns-63.co.uk`
NS	`ns-387.awsdns-48.com`
		A	2600:9000:5301:8300::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-387.awsdns-48.com`
		A	205.251.193.131^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-387.awsdns-48.com`
SOA	`ns-905.awsdns-49.net`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

Subdomains

tools.knowledgewalls.com

Same first word

knowledgewalls.com

DNS History

13 records (5 active, 8 former)

●NSns-1305.awsdns-35.org2026-03-20 → 2026-03-20 · 3 obs

○ 2017-05-16 18:43:30
● 2026-03-20 04:06:36
● 2026-03-20 04:06:40

●NSns-2044.awsdns-63.co.uk2026-03-20 → 2026-03-20 · 3 obs

○ 2017-05-16 18:43:30
● 2026-03-20 04:06:36
● 2026-03-20 04:06:40

●NSns-387.awsdns-48.com2026-03-20 → 2026-03-20 · 3 obs

○ 2017-05-16 18:43:30
● 2026-03-20 04:06:36
● 2026-03-20 04:06:40

●NSns-905.awsdns-49.net2026-03-20 → 2026-03-20 · 3 obs

○ 2017-05-16 18:43:30
● 2026-03-20 04:06:36
● 2026-03-20 04:06:40

○NSns1.bluehost.com2015-05-24 → 2016-03-20 · 4 obs

● 2015-05-24 22:20:36
● 2016-03-20 06:25:10
○ 2016-07-17 06:41:40
○ 2026-03-20 04:06:40

○NSns1.md-in-52.webhostbox.net2016-07-17 → 2017-05-16 · 5 obs

○ 2016-03-20 06:25:10
● 2016-07-17 06:41:40
● 2017-05-16 18:43:30
○ 2026-03-20 04:06:36
○ 2026-03-20 04:06:40

○NSns2.bluehost.com2015-05-24 → 2016-03-20 · 4 obs

● 2015-05-24 22:20:36
● 2016-03-20 06:25:10
○ 2016-07-17 06:41:40
○ 2026-03-20 04:06:40

○NSns2.md-in-52.webhostbox.net2016-07-17 → 2017-05-16 · 5 obs

○ 2016-03-20 06:25:10
● 2016-07-17 06:41:40
● 2017-05-16 18:43:30
○ 2026-03-20 04:06:36
○ 2026-03-20 04:06:40

○MXknowledgewalls.com2016-07-17 → 2017-05-16 · 5 obs

○ 2016-03-20 06:25:10
● 2016-07-17 06:41:40
● 2017-05-16 18:43:30
○ 2026-03-20 04:06:36
○ 2026-03-20 04:06:40

○MXmail.knowledgewalls.com2015-05-24 → 2016-03-20 · 4 obs

● 2015-05-24 22:20:36
● 2016-03-20 06:25:10
○ 2016-07-17 06:41:40
○ 2026-03-20 04:06:40

○A111.118.215.402016-07-17 → 2017-05-16 · 5 obs

○ 2016-03-20 06:25:10
● 2016-07-17 06:41:40
● 2017-05-16 18:43:30
○ 2026-03-20 04:06:36
○ 2026-03-20 04:06:40

●A3.23.52.2362026-03-20 → 2026-03-20 · 3 obs

○ 2017-05-16 18:43:30
● 2026-03-20 04:06:36
● 2026-03-20 04:06:40

○A66.147.244.1212015-05-24 → 2016-03-20 · 4 obs

● 2015-05-24 22:20:36
● 2016-03-20 06:25:10
○ 2016-07-17 06:41:40
○ 2026-03-20 04:06:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
knowledgewalls.com	ns-387.awsdns-48.com, ns-905.awsdns-49.net, ns-1305.awsdns-35.org, ns-2044.awsdns-63.co.uk	1 record

✅ Authoritative Response

Server: 205.251.199.252

NS records: ns-387.awsdns-48.com, ns-905.awsdns-49.net, ns-1305.awsdns-35.org, ns-2044.awsdns-63.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knowledgewalls.com (unsigned zone)

⏱️ Timing

Total: 762ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.23.52.236`
NS	4	`ns-1305.awsdns-35.org, ns-2044.awsdns-63.co.uk...`
SOA	1	`ns-905.awsdns-49.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-387.awsdns-48.com)

Analysis

Hierarchy

knowledgewalls.com is a parent of tools.knowledgewalls.com.

IP Addresses

knowledgewalls.com points to a single IP number: 3.23.52.236.

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

Name Servers

knowledgewalls.com is delegated to four name servers: ns-387.awsdns-48.com, ns-905.awsdns-49.net, ns-1305.awsdns-35.org and ns-2044.awsdns-63.co.uk.

knowledgewalls.com at least partially shares name servers with other domains, for instance dnroyigsdzx7v.cloudfront.net, zinzuu.com, stockal.com, chintai-kire.net and brdy.kr.

these name servers are often used with ns-398.awsdns-49.com, ns-904.awsdns-49.net, ns-1327.awsdns-37.org, ns-1071.awsdns-05.org, ns-960.awsdns-56.net, ns-1062.awsdns-04.org, ns-1824.awsdns-36.co.uk and ns-1868.awsdns-41.co.uk.

Host names with two IP numbers:

ns-387.awsdns-48.com points to: 2600:9000:5301:8300::1 and 205.251.193.131.

ns-905.awsdns-49.net points to: 2600:9000:5303:8900::1 and 205.251.195.137.

ns-1305.awsdns-35.org points to: 2600:9000:5305:1900::1 and 205.251.197.25.

ns-2044.awsdns-63.co.uk points to: 2600:9000:5307:fc00::1 and 205.251.199.252.

knowledgewalls.com - robtex.com