studs.ca - dns.ninja

`studs.ca`

DNSSEC	⚠️ Not signed
A	54.225.71.171^{🇺🇸 Amazon54.224.0.0/15 EC2 IAD prefix}
		PTR	`ec2-54-225-71-171.compute-1.amazonaws.com`
A	100.50.16.224^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
NS	`ns-1451.awsdns-53.org` ⭐
		A	2600:9000:5305:ab00::1^{🇺🇸 Amazon2600:9000:5305::/48 - CloudFront}
			PTR	`ns-1451.awsdns-53.org`
		A	205.251.197.171^{🇺🇸 Amazon205.251.197.0/24 prefix}
NS	`ns-1753.awsdns-27.co.uk`
		A	2600:9000:5306:d900::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1753.awsdns-27.co.uk`
		A	205.251.198.217^{🇺🇸 Amazon205.251.198.0/24 prefix}
NS	`ns-358.awsdns-44.com`
		A	2600:9000:5301:6600::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-358.awsdns-44.com`
		A	205.251.193.102^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-358.awsdns-44.com`
NS	`ns-566.awsdns-06.net`
		A	2600:9000:5302:3600::1^{🇺🇸 Amazon2600:9000:5302::/48 - CloudFront}
			PTR	`ns-566.awsdns-06.net`
		A	205.251.194.54^{🇺🇸 Amazon205.251.194.0/24 prefix}
SOA	`ns-1451.awsdns-53.org`awsdns-hostmaster@amazon.com serial=1

`ca`

	DNSSEC	🔒 Signed (DS record present)
	NS	`prd-czp-05.corp.cira.ca` ⭐
	NS	`any.ca-servers.ca`
	NS	`c.ca-servers.ca`
	NS	`d.ca-servers.ca`
	NS	`j.ca-servers.ca`
	SOA	`prd-czp-05.corp.cira.ca`admin-dns@cira.ca serial=2606280730

Same first word

studs.org

studs.de

studs.nl

studs.co

studs.ca

studs.io

studs.com

studs.in

studs.net

studs.gg

studs.ws

studs.cn

studs.it

studs.world

studs.xyz

Similar names

sdust.edu.cn

stsdu.com

ssdut.net

sdust.net.cn

dsstu.cn

sstud.ru

stdus.com

dtsus.net

dusts.net

tduss.com

ssdut.com

stdsu.ru

usdts.trade

tsdsu.com

sdstu.com

sustd.com

sdust.net

tusds.com

stdsu.com

dusts.pro

dusts.pl

ustds.com

ustsd.edu.cn

sdstu.cn

ustsd.com

sdust.com.cn

tsdsu.co.uk

dusts.biz

tdsus.com

dtsus.com

sdust.com

dusts.eu

DNS History

16 records (6 active, 10 former)

●NSns-1451.awsdns-53.org2015-05-02 → 2026-06-28 · 2 obs

● 2015-05-02 17:20:00
● 2026-06-28 08:31:32

●NSns-1753.awsdns-27.co.uk2015-05-02 → 2026-06-28 · 2 obs

● 2015-05-02 17:20:00
● 2026-06-28 08:31:32

●NSns-358.awsdns-44.com2015-05-02 → 2026-06-28 · 2 obs

● 2015-05-02 17:20:00
● 2026-06-28 08:31:32

●NSns-566.awsdns-06.net2015-05-02 → 2026-06-28 · 2 obs

● 2015-05-02 17:20:00
● 2026-06-28 08:31:32

●A100.50.16.2242026-06-28 → 2026-06-28 · 2 obs

○ 2017-05-19 20:48:54
● 2026-06-28 08:31:32

○A107.21.202.1352015-05-02 → 2015-05-02 · 3 obs

● 2015-05-02 17:20:00
○ 2015-10-10 15:39:42
○ 2026-06-28 08:31:32

○A23.21.199.2512016-03-03 → 2016-03-03 · 4 obs

○ 2015-12-21 13:59:28
● 2016-03-03 12:21:02
○ 2016-06-30 22:22:16
○ 2026-06-28 08:31:32

○A23.23.117.1782015-12-21 → 2015-12-21 · 4 obs

○ 2015-10-10 15:39:42
● 2015-12-21 13:59:28
○ 2016-03-03 12:21:02
○ 2026-06-28 08:31:32

○A3.218.118.192026-06-28 → 2026-06-28 · 1 obs

○ 2026-06-28 08:31:32

○A3.227.180.1762026-06-28 → 2026-06-28 · 1 obs

○ 2026-06-28 08:31:32

○A52.206.216.1352017-05-19 → 2017-05-19 · 3 obs

○ 2016-06-30 22:22:16
● 2017-05-19 20:48:54
○ 2026-06-28 08:31:32

○A52.71.242.152017-05-19 → 2017-05-19 · 3 obs

○ 2016-06-30 22:22:16
● 2017-05-19 20:48:54
○ 2026-06-28 08:31:32

○A54.197.223.542015-10-10 → 2015-10-10 · 4 obs

○ 2015-05-02 17:20:00
● 2015-10-10 15:39:42
○ 2015-12-21 13:59:28
○ 2026-06-28 08:31:32

●A54.225.71.1712026-06-28 → 2026-06-28 · 2 obs

○ 2017-05-19 20:48:54
● 2026-06-28 08:31:32

○A54.243.106.122015-05-02 → 2015-05-02 · 3 obs

● 2015-05-02 17:20:00
○ 2017-05-19 20:48:54
○ 2026-06-28 08:31:32

○A54.243.126.1662016-06-30 → 2016-06-30 · 4 obs

○ 2016-03-03 12:21:02
● 2016-06-30 22:22:16
○ 2017-05-19 20:48:54
○ 2026-06-28 08:31:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca, c.ca-servers.ca	-
studs.ca	ns-358.awsdns-44.com, ns-1451.awsdns-53.org, ns-566.awsdns-06.net, ns-1753.awsdns-27.co.uk	-

✅ Authoritative Response

Server:205.251.198.217

NS records: ns-358.awsdns-44.com, ns-1451.awsdns-53.org, ns-566.awsdns-06.net, ns-1753.awsdns-27.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studs.ca (unsigned zone)

⏱️ Timing

Total: 919ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.225.71.171, 100.50.16.224`
NS	4	`ns-1451.awsdns-53.org, ns-1753.awsdns-27.co.uk...`
SOA	1	`ns-1451.awsdns-53.org awsdns-hostmaster.`

Analysis

IP Addresses

studs.ca points to the IP addresses 54.225.71.171 and 100.50.16.224

sites.ca, fleets.ca, electric.ca plus two other host names have IP numbers in common with studs.ca.

Name Servers

Four name servers handle the delegation for studs.ca: ns-358.awsdns-44.com, ns-566.awsdns-06.net, ns-1451.awsdns-53.org and ns-1753.awsdns-27.co.uk.

There is at least partial name server overlap between studs.ca and other domains — julliaolger.jp, creativearchive.espn.com, autocadlt.cz and two more among them.

All four hostnames — ns-358.awsdns-44.com, ns-566.awsdns-06.net, ns-1451.awsdns-53.org and ns-1753.awsdns-27.co.uk — resolve to two IP numbers apiece: ns-358.awsdns-44.com to 205.251.193.102 and 2600:9000:5301:6600::1; ns-566.awsdns-06.net to 205.251.194.54 and 2600:9000:5302:3600::1; ns-1451.awsdns-53.org to 205.251.197.171 and 2600:9000:5305:ab00::1; ns-1753.awsdns-27.co.uk to 205.251.198.217 and 2600:9000:5306:d900::1.