`polyspace.org`

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-1918.awsdns-47.co.uk` ⭐
		A	2600:9000:5307:7e00::1^{🇺🇸 Amazon2600:9000:5307::/48 - CloudFront}
			PTR	`ns-1918.awsdns-47.co.uk`
		A	205.251.199.126^{🇺🇸 Amazon205.251.199.0/24 prefix}
			PTR	`ns-1918.awsdns-47.co.uk`
NS	`ns-1131.awsdns-13.org`
		A	2600:9000:5304:6b00::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1131.awsdns-13.org`
		A	205.251.196.107^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1131.awsdns-13.org`
NS	`ns-313.awsdns-39.com`
		A	2600:9000:5301:3900::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-313.awsdns-39.com`
		A	205.251.193.57^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-313.awsdns-39.com`
NS	`ns-519.awsdns-00.net`
		A	2600:9000:5302:700::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-519.awsdns-00.net`
		A	205.251.194.7^{🇺🇸 Amazon205.251.194.0/24 prefix}
			PTR	`ns-519.awsdns-00.net`
TXT	`v=spf1 -all`
SOA	`ns-1918.awsdns-47.co.uk`awsdns-hostmaster@amazon.com serial=1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1775996560

Same first word

polyspace.it

polyspace.eu

polyspace.co.uk

polyspace.org

polyspace.tel

polyspace.net

polyspace.com

polyspace.cn

Similar names

playscope.ca

polypecas.com

playscope.com

DNS History

25 records (6 active, 19 former)

●NSns-1131.awsdns-13.org2026-02-16 → 2026-04-12 · 3 obs

○ 2017-02-03 18:44:52
● 2026-02-16 22:46:08
● 2026-04-12 12:45:58

●NSns-1918.awsdns-47.co.uk2026-02-16 → 2026-04-12 · 3 obs

○ 2017-02-03 18:44:52
● 2026-02-16 22:46:08
● 2026-04-12 12:45:58

●NSns-313.awsdns-39.com2026-02-16 → 2026-04-12 · 3 obs

○ 2017-02-03 18:44:52
● 2026-02-16 22:46:08
● 2026-04-12 12:45:58

●NSns-519.awsdns-00.net2026-02-16 → 2026-04-12 · 3 obs

○ 2017-02-03 18:44:52
● 2026-02-16 22:46:08
● 2026-04-12 12:45:58

○NSns-master.mathworks.com2015-05-28 → 2017-02-03 · 4 obs

● 2015-05-28 12:16:42
● 2017-02-03 18:44:52
○ 2026-02-16 22:46:08
○ 2026-04-12 12:45:58

○NSns.mathworks.com2015-05-28 → 2017-02-03 · 4 obs

● 2015-05-28 12:16:42
● 2017-02-03 18:44:52
○ 2026-02-16 22:46:08
○ 2026-04-12 12:45:58

○NSns2.mathworks.com2015-05-28 → 2017-02-03 · 4 obs

● 2015-05-28 12:16:42
● 2017-02-03 18:44:52
○ 2026-02-16 22:46:08
○ 2026-04-12 12:45:58

○NSns3.mathworks.com2015-05-28 → 2017-02-03 · 4 obs

● 2015-05-28 12:16:42
● 2017-02-03 18:44:52
○ 2026-02-16 22:46:08
○ 2026-04-12 12:45:58

○MXmxgw-ah.mathworks.com2015-05-28 → 2015-05-28 · 3 obs

● 2015-05-28 12:16:42
○ 2015-10-18 19:36:14
○ 2026-04-12 12:45:58

○MXmxgw-ls.mathworks.com2015-05-28 → 2015-05-28 · 3 obs

● 2015-05-28 12:16:42
○ 2015-10-18 19:36:14
○ 2026-04-12 12:45:58

○MXmxgw-uk.mathworks.com2015-05-28 → 2015-05-28 · 3 obs

● 2015-05-28 12:16:42
○ 2015-10-18 19:36:14
○ 2026-04-12 12:45:58

○A107.22.120.1312026-03-14 → 2026-03-16 · 5 obs

○ 2026-03-12 19:28:16
● 2026-03-14 18:18:52
● 2026-03-16 09:32:00
○ 2026-03-22 16:00:02
○ 2026-04-12 12:45:58

○A18.205.148.1402026-03-02 → 2026-03-12 · 5 obs

○ 2026-02-25 06:24:26
● 2026-03-02 10:35:50
● 2026-03-12 19:28:16
○ 2026-03-14 18:18:52
○ 2026-04-12 12:45:58

○A18.215.141.252026-02-16 → 2026-02-16 · 3 obs

● 2026-02-16 22:46:08
○ 2026-02-25 06:24:26
○ 2026-04-12 12:45:58

○A34.226.187.1232026-02-25 → 2026-02-25 · 4 obs

○ 2026-02-16 22:46:08
● 2026-02-25 06:24:26
○ 2026-03-02 10:35:50
○ 2026-04-12 12:45:58

○A34.237.103.1262026-03-28 → 2026-03-28 · 3 obs

○ 2026-03-26 21:25:32
● 2026-03-28 17:19:46
○ 2026-04-12 12:45:58

○A35.174.187.392026-02-16 → 2026-02-16 · 3 obs

● 2026-02-16 22:46:08
○ 2026-02-25 06:24:26
○ 2026-04-12 12:45:58

●A44.214.41.2512026-04-12 → 2026-04-12 · 2 obs

○ 2026-03-28 17:19:46
● 2026-04-12 12:45:58

○A52.202.217.972026-03-14 → 2026-03-16 · 5 obs

○ 2026-03-12 19:28:16
● 2026-03-14 18:18:52
● 2026-03-16 09:32:00
○ 2026-03-22 16:00:02
○ 2026-04-12 12:45:58

●A52.204.117.602026-04-12 → 2026-04-12 · 2 obs

○ 2026-03-28 17:19:46
● 2026-04-12 12:45:58

○A52.4.140.2032026-03-02 → 2026-03-12 · 5 obs

○ 2026-02-25 06:24:26
● 2026-03-02 10:35:50
● 2026-03-12 19:28:16
○ 2026-03-14 18:18:52
○ 2026-04-12 12:45:58

○A52.71.104.1282026-03-28 → 2026-03-28 · 3 obs

○ 2026-03-26 21:25:32
● 2026-03-28 17:19:46
○ 2026-04-12 12:45:58

○A54.157.51.1852026-03-22 → 2026-03-26 · 5 obs

○ 2026-03-16 09:32:00
● 2026-03-22 16:00:02
● 2026-03-26 21:25:32
○ 2026-03-28 17:19:46
○ 2026-04-12 12:45:58

○A98.87.100.2032026-03-22 → 2026-03-26 · 5 obs

○ 2026-03-16 09:32:00
● 2026-03-22 16:00:02
● 2026-03-26 21:25:32
○ 2026-03-28 17:19:46
○ 2026-04-12 12:45:58

○A98.87.232.1122026-02-25 → 2026-02-25 · 4 obs

○ 2026-02-16 22:46:08
● 2026-02-25 06:24:26
○ 2026-03-02 10:35:50
○ 2026-04-12 12:45:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
polyspace.org	ns-1918.awsdns-47.co.uk, ns-1131.awsdns-13.org, ns-519.awsdns-00.net, ns-313.awsdns-39.com	1 record

✅ Authoritative Response

Server:205.251.199.126

NS records: ns-1918.awsdns-47.co.uk, ns-1131.awsdns-13.org, ns-519.awsdns-00.net, ns-313.awsdns-39.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for polyspace.org (unsigned zone)

⏱️ Timing

Total: 380ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`44.214.41.251, 52.204.117.60`
NS	4	`ns-1131.awsdns-13.org, ns-1918.awsdns-47.co.uk...`
TXT	1	`v=spf1 -all`
SOA	1	`ns-1918.awsdns-47.co.uk awsdns-hostmaste`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-1131.awsdns-13.org)

Analysis

IP Addresses

Two IP numbers are pointed to by polyspace.org: 44.214.41.251 and 52.204.117.60.

other host names include symrf.com, mathworks.new, matlabexpo.de, mathworks.net and silicomp-software-validation.com; they share IP numbers with polyspace.org.

Name Servers

polyspace.org delegates to four name servers: ns-313.awsdns-39.com, ns-519.awsdns-00.net, ns-1131.awsdns-13.org and ns-1918.awsdns-47.co.uk.

polyspace.org at least partially shares name servers with other domains, for instance teachme-group.com, 11.134.15.in-addr.arpa, perflab-devops.com, 54.79.54.in-addr.arpa and hudstats.com.

these name servers are commonly used alongside the name servers ns1-24-ap-southeast-2.ec2-rdns.amazonaws.com, ns2-24-ap-southeast-2.ec2-rdns.amazonaws.com, ns3-24-ap-southeast-2.ec2-rdns.amazonaws.com, ns4-24-ap-southeast-2.ec2-rdns.amazonaws.com, ns-212.awsdns-26.com, ns-1090.awsdns-08.org and ns-1774.awsdns-29.co.uk.

Host names with two IP numbers: ns-313.awsdns-39.com points to 2600:9000:5301:3900::1 and 205.251.193.57; ns-519.awsdns-00.net points to 2600:9000:5302:700::1 and 205.251.194.7; ns-1131.awsdns-13.org points to 2600:9000:5304:6b00::1 and 205.251.196.107; ns-1918.awsdns-47.co.uk points to 2600:9000:5307:7e00::1 and 205.251.199.126.

polyspace.org - robtex.com

polyspace.org

org

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`polyspace.org`

`org`