`polyspace.com`

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-977.awsdns-58.net` ⭐
		A	2600:9000:5303:d100::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-977.awsdns-58.net`
		A	205.251.195.209^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-977.awsdns-58.net`
NS	`ns-1485.awsdns-57.org`
		A	2600:9000:5305:cd00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1485.awsdns-57.org`
		A	205.251.197.205^{🇺🇸 Amazon205.251.197.0/24 prefix}
			PTR	`ns-1485.awsdns-57.org`
NS	`ns-1650.awsdns-14.co.uk`
		A	2600:9000:5306:7200::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1650.awsdns-14.co.uk`
		A	205.251.198.114^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1650.awsdns-14.co.uk`
NS	`ns-251.awsdns-31.com`
		A	2600:9000:5300:fb00::1^{🇺🇸 Amazon2600:9000:5300::/48 - CloudFront}
			PTR	`ns-251.awsdns-31.com`
		A	205.251.192.251^{🇺🇸 Amazon205.251.192.0/24 prefix}
			PTR	`ns-251.awsdns-31.com`
TXT	`_4ejxvuoerh8gdxyoweau43dgny5d5r6`
SOA	`ns-977.awsdns-58.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=1775929767

WOT: SAFE (63/100)

Subdomains

www.polyspace.com

Same first word

polyspace.org

polyspace.tel

polyspace.net

polyspace.com

polyspace.cn

polyspace.it

polyspace.eu

polyspace.co.uk

Similar names

playscope.com

playscope.ca

polypecas.com

DNS History

27 records (6 active, 21 former)

●NSns-1485.awsdns-57.org2026-02-15 → 2026-04-11 · 3 obs

○ 2018-11-06 07:15:20
● 2026-02-15 17:18:56
● 2026-04-11 18:17:14

●NSns-1650.awsdns-14.co.uk2026-02-15 → 2026-04-11 · 3 obs

○ 2018-11-06 07:15:20
● 2026-02-15 17:18:56
● 2026-04-11 18:17:14

●NSns-251.awsdns-31.com2026-02-15 → 2026-04-11 · 3 obs

○ 2018-11-06 07:15:20
● 2026-02-15 17:18:56
● 2026-04-11 18:17:14

●NSns-977.awsdns-58.net2026-02-15 → 2026-04-11 · 3 obs

○ 2018-11-06 07:15:20
● 2026-02-15 17:18:56
● 2026-04-11 18:17:14

○NSns-master.mathworks.com2015-09-02 → 2018-11-06 · 4 obs

● 2015-09-02 05:34:34
● 2018-11-06 07:15:20
○ 2026-02-15 17:18:56
○ 2026-04-11 18:17:14

○NSns.mathworks.com2015-09-02 → 2018-11-06 · 4 obs

● 2015-09-02 05:34:34
● 2018-11-06 07:15:20
○ 2026-02-15 17:18:56
○ 2026-04-11 18:17:14

○NSns2.mathworks.com2015-09-02 → 2018-11-06 · 4 obs

● 2015-09-02 05:34:34
● 2018-11-06 07:15:20
○ 2026-02-15 17:18:56
○ 2026-04-11 18:17:14

○NSns3.mathworks.com2015-09-02 → 2018-11-06 · 4 obs

● 2015-09-02 05:34:34
● 2018-11-06 07:15:20
○ 2026-02-15 17:18:56
○ 2026-04-11 18:17:14

○A107.22.120.1312026-03-14 → 2026-03-17 · 5 obs

○ 2026-03-13 22:55:28
● 2026-03-14 13:03:24
● 2026-03-17 01:18:46
○ 2026-03-18 05:03:02
○ 2026-04-11 18:17:14

○A144.212.130.172015-09-02 → 2018-11-06 · 11 obs

● 2015-09-02 05:34:34
● 2015-09-10 01:13:38
○ 2015-09-29 11:35:56
○ 2016-02-07 23:47:06
● 2016-02-16 00:19:48
● 2018-04-17 07:54:10
○ 2018-08-23 16:02:32
○ 2018-09-01 16:29:38
● 2018-11-06 07:15:20
○ 2026-02-15 17:18:56
○ 2026-04-11 18:17:14

○A144.212.244.172015-09-02 → 2018-09-01 · 7 obs

● 2015-09-02 05:34:34
● 2016-02-07 23:47:06
○ 2016-02-16 00:19:48
● 2016-03-05 03:31:12
● 2018-09-01 16:29:38
○ 2018-11-06 07:15:20
○ 2026-04-11 18:17:14

○A18.205.148.1402026-02-28 → 2026-03-13 · 5 obs

○ 2026-02-27 18:20:04
● 2026-02-28 12:20:06
● 2026-03-13 22:55:28
○ 2026-03-14 13:03:24
○ 2026-04-11 18:17:14

○A18.215.141.252026-02-15 → 2026-02-21 · 5 obs

○ 2018-11-06 07:15:20
● 2026-02-15 17:18:56
● 2026-02-21 14:39:02
○ 2026-02-23 04:45:10
○ 2026-04-11 18:17:14

○A32.194.31.1652026-04-08 → 2026-04-09 · 5 obs

○ 2026-04-08 16:59:02
● 2026-04-08 23:26:32
● 2026-04-09 08:01:48
○ 2026-04-10 17:00:04
○ 2026-04-11 18:17:14

○A34.226.187.1232026-02-23 → 2026-02-27 · 5 obs

○ 2026-02-21 14:39:02
● 2026-02-23 04:45:10
● 2026-02-27 18:20:04
○ 2026-02-28 12:20:06
○ 2026-04-11 18:17:14

○A34.237.103.1262026-03-28 → 2026-04-08 · 5 obs

○ 2026-03-27 16:52:46
● 2026-03-28 03:36:40
● 2026-04-08 16:59:02
○ 2026-04-08 23:26:32
○ 2026-04-11 18:17:14

○A35.170.226.542026-03-18 → 2026-03-18 · 4 obs

○ 2026-03-17 01:18:46
● 2026-03-18 05:03:02
○ 2026-03-19 02:14:08
○ 2026-04-11 18:17:14

○A35.174.187.392026-02-15 → 2026-02-21 · 5 obs

○ 2018-11-06 07:15:20
● 2026-02-15 17:18:56
● 2026-02-21 14:39:02
○ 2026-02-23 04:45:10
○ 2026-04-11 18:17:14

●A44.214.41.2512026-04-10 → 2026-04-11 · 3 obs

○ 2026-04-09 08:01:48
● 2026-04-10 17:00:04
● 2026-04-11 18:17:14

○A52.202.217.972026-03-13 → 2026-03-17 · 5 obs

○ 2026-03-13 01:26:02
● 2026-03-13 16:45:22
● 2026-03-17 01:18:46
○ 2026-03-18 05:03:02
○ 2026-04-11 18:17:14

●A52.204.117.602026-04-08 → 2026-04-11 · 3 obs

○ 2026-04-08 05:51:04
● 2026-04-08 16:59:02
● 2026-04-11 18:17:14

○A52.4.140.2032026-02-28 → 2026-03-13 · 5 obs

○ 2026-02-27 18:20:04
● 2026-02-28 12:20:06
● 2026-03-13 01:26:02
○ 2026-03-13 16:45:22
○ 2026-04-11 18:17:14

○A52.71.104.1282026-03-28 → 2026-04-08 · 5 obs

○ 2026-03-27 16:52:46
● 2026-03-28 03:36:40
● 2026-04-08 05:51:04
○ 2026-04-08 16:59:02
○ 2026-04-11 18:17:14

○A54.157.51.1852026-03-19 → 2026-03-27 · 5 obs

○ 2026-03-18 05:03:02
● 2026-03-19 02:14:08
● 2026-03-27 16:52:46
○ 2026-03-28 03:36:40
○ 2026-04-11 18:17:14

○A98.87.100.2032026-03-19 → 2026-03-27 · 5 obs

○ 2026-03-18 05:03:02
● 2026-03-19 02:14:08
● 2026-03-27 16:52:46
○ 2026-03-28 03:36:40
○ 2026-04-11 18:17:14

○A98.87.232.1122026-02-23 → 2026-02-27 · 5 obs

○ 2026-02-21 14:39:02
● 2026-02-23 04:45:10
● 2026-02-27 18:20:04
○ 2026-02-28 12:20:06
○ 2026-04-11 18:17:14

○A98.95.226.1832026-03-18 → 2026-03-18 · 4 obs

○ 2026-03-17 01:18:46
● 2026-03-18 05:03:02
○ 2026-03-19 02:14:08
○ 2026-04-11 18:17:14

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...	-
polyspace.com	ns-251.awsdns-31.com, ns-977.awsdns-58.net, ns-1650.awsdns-14.co.uk, ns-1485.awsdns-57.org	1 record

✅ Authoritative Response

Server:205.251.198.114

NS records: ns-251.awsdns-31.com, ns-977.awsdns-58.net, ns-1650.awsdns-14.co.uk, ns-1485.awsdns-57.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for polyspace.com (unsigned zone)

⏱️ Timing

Total: 342ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`44.214.41.251, 52.204.117.60`
NS	4	`ns-1485.awsdns-57.org, ns-1650.awsdns-14.co.uk...`
TXT	1	`_4ejxvuoerh8gdxyoweau43dgny5d5r6`
SOA	1	`ns-977.awsdns-58.net awsdns-hostmaster.a`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-251.awsdns-31.com)

Analysis

Hierarchy

polyspace.com is the parent of www.polyspace.com.

IP Addresses

polyspace.com 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 polyspace.com.

Name Servers

polyspace.com is delegated to four name servers: ns-251.awsdns-31.com, ns-977.awsdns-58.net, ns-1485.awsdns-57.org and ns-1650.awsdns-14.co.uk.

polyspace.com at least partially shares name servers with other domains, including testinthinking.net, hamiltonschenectady.com, cliniguia.com, adesys.be and rocketdog.co.uk.

Hosts with two IP numbers:

Host ns-251.awsdns-31.com points to 2600:9000:5300:fb00::1 and 205.251.192.251

Host ns-977.awsdns-58.net points to 2600:9000:5303:d100::1 and 205.251.195.209

Host ns-1485.awsdns-57.org points to 2600:9000:5305:cd00::1 and 205.251.197.205

Host ns-1650.awsdns-14.co.uk points to 2600:9000:5306:7200::1 and 205.251.198.114

polyspace.com - robtex.com

polyspace.com

com

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`polyspace.com`

`com`