`simpowersystems.net`

DNSSEC	⚠️ Not signed
A	44.214.41.251^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
		PTR	`ec2-44-214-41-251.compute-1.amazonaws.com`
A	52.204.117.60^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
NS	`ns-692.awsdns-22.net` ⭐
		A	2600:9000:5302:b400::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-692.awsdns-22.net`
		A	205.251.194.180^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-692.awsdns-22.net`
NS	`ns-1472.awsdns-56.org`
		A	2600:9000:5305:c000::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1472.awsdns-56.org`
		A	205.251.197.192^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1472.awsdns-56.org`
NS	`ns-1868.awsdns-41.co.uk`
		A	2600:9000:5307:4c00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1868.awsdns-41.co.uk`
		A	205.251.199.76^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1868.awsdns-41.co.uk`
NS	`ns-257.awsdns-32.com`
		A	2600:9000:5301:100::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-257.awsdns-32.com`
		A	205.251.193.1^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-257.awsdns-32.com`
TXT	`v=spf1 -all`
SOA	`ns-692.awsdns-22.net`awsdns-hostmaster@amazon.com serial=1

`net`

	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=1775972487

Same first word

simpowersystems.org

simpowersystems.com

simpowersystems.net

DNS History

14 records (6 active, 8 former)

●NSns-1472.awsdns-56.org2026-04-03 → 2026-04-12 · 3 obs

○ 2019-01-20 19:31:26
● 2026-04-03 10:21:26
● 2026-04-12 05:50:22

●NSns-1868.awsdns-41.co.uk2026-04-03 → 2026-04-12 · 3 obs

○ 2019-01-20 19:31:26
● 2026-04-03 10:21:26
● 2026-04-12 05:50:22

●NSns-257.awsdns-32.com2026-04-03 → 2026-04-12 · 3 obs

○ 2019-01-20 19:31:26
● 2026-04-03 10:21:26
● 2026-04-12 05:50:22

●NSns-692.awsdns-22.net2026-04-03 → 2026-04-12 · 3 obs

○ 2019-01-20 19:31:26
● 2026-04-03 10:21:26
● 2026-04-12 05:50:22

○NSns-master.mathworks.com2015-08-01 → 2019-01-20 · 4 obs

● 2015-08-01 03:58:36
● 2019-01-20 19:31:26
○ 2026-04-03 10:21:26
○ 2026-04-12 05:50:22

○NSns.mathworks.com2015-08-01 → 2019-01-20 · 4 obs

● 2015-08-01 03:58:36
● 2019-01-20 19:31:26
○ 2026-04-03 10:21:26
○ 2026-04-12 05:50:22

○NSns2.mathworks.com2015-08-01 → 2019-01-20 · 4 obs

● 2015-08-01 03:58:36
● 2019-01-20 19:31:26
○ 2026-04-03 10:21:26
○ 2026-04-12 05:50:22

○NSns3.mathworks.com2015-08-01 → 2019-01-20 · 4 obs

● 2015-08-01 03:58:36
● 2019-01-20 19:31:26
○ 2026-04-03 10:21:26
○ 2026-04-12 05:50:22

○A144.212.130.172015-08-01 → 2019-01-20 · 7 obs

● 2015-08-01 03:58:36
○ 2015-11-26 13:46:06
○ 2016-02-07 18:39:38
● 2016-04-29 00:27:32
● 2019-01-20 19:31:26
○ 2026-04-03 10:21:26
○ 2026-04-12 05:50:22

○A144.212.244.172015-08-01 → 2017-01-01 · 4 obs

● 2015-08-01 03:58:36
● 2017-01-01 00:35:52
○ 2019-01-20 19:31:26
○ 2026-04-12 05:50:22

○A34.237.103.1262026-04-03 → 2026-04-06 · 5 obs

○ 2019-01-20 19:31:26
● 2026-04-03 10:21:26
● 2026-04-06 08:51:50
○ 2026-04-10 15:56:56
○ 2026-04-12 05:50:22

●A44.214.41.2512026-04-10 → 2026-04-12 · 3 obs

○ 2026-04-06 08:51:50
● 2026-04-10 15:56:56
● 2026-04-12 05:50:22

●A52.204.117.602026-04-10 → 2026-04-12 · 3 obs

○ 2026-04-06 08:51:50
● 2026-04-10 15:56:56
● 2026-04-12 05:50:22

○A52.71.104.1282026-04-03 → 2026-04-06 · 5 obs

○ 2019-01-20 19:31:26
● 2026-04-03 10:21:26
● 2026-04-06 08:51:50
○ 2026-04-10 15:56:56
○ 2026-04-12 05:50:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	l.gtld-servers.net, m.gtld-servers.net, e.gtld-servers.net, k.gtld-servers.net...	-
simpowersystems.net	ns-692.awsdns-22.net, ns-257.awsdns-32.com, ns-1868.awsdns-41.co.uk, ns-1472.awsdns-56.org	1 record

✅ Authoritative Response

Server:205.251.194.180

NS records: ns-692.awsdns-22.net, ns-257.awsdns-32.com, ns-1868.awsdns-41.co.uk, ns-1472.awsdns-56.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simpowersystems.net (unsigned zone)

⏱️ Timing

Total: 606ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`52.204.117.60, 44.214.41.251`
NS	4	`ns-1472.awsdns-56.org, ns-1868.awsdns-41.co.uk...`
TXT	1	`v=spf1 -all`
SOA	1	`ns-692.awsdns-22.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-692.awsdns-22.net)

Analysis

IP Addresses

simpowersystems.net points to two IPs: 44.214.41.251 and 52.204.117.60.

Other host names including matlabexpo.de, mathworks.net, silicomp-software-validation.com, polyspace.eu and stateflow.fi share IP numbers with simpowersystems.net.

Name Servers

simpowersystems.net is delegated to four name servers: ns-257.awsdns-32.com, ns-692.awsdns-22.net, ns-1472.awsdns-56.org and ns-1868.awsdns-41.co.uk.

simpowersystems.net at least partially shares name servers with other domains, including goodiphone.com, d2p5wc7ari9y7x.cloudfront.net, kojitusanso-job.net, vaes-fe.amazon-adsystem.com and d3jf47qvsf7gzu.cloudfront.net.

These name servers are commonly used with ns1-24-af-south-1.ec2-rdns.amazonaws.com, ns2-24-af-south-1.ec2-rdns.amazonaws.com, ns3-24-af-south-1.ec2-rdns.amazonaws.com, ns4-24-af-south-1.ec2-rdns.amazonaws.com, ns-194.awsdns-24.com, ns-1269.awsdns-30.org and ns-1600.awsdns-08.co.uk.

Hosts with two IP numbers:

Host ns-257.awsdns-32.com points to 2600:9000:5301:100::1 and 205.251.193.1

Host ns-692.awsdns-22.net points to 2600:9000:5302:b400::1 and 205.251.194.180

Host ns-1472.awsdns-56.org points to 2600:9000:5305:c000::1 and 205.251.197.192

Host ns-1868.awsdns-41.co.uk points to 2600:9000:5307:4c00::1 and 205.251.199.76

simpowersystems.net - robtex.com