cs50.ca - robtex.com

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`cs50.ca`

DNSSEC	⚠️ Not signed
A	52.87.41.183^{🇺🇸 Amazon}
		PTR	`ec2-52-87-41-183.compute-1.amazonaws.com`
A	54.209.107.246^{🇺🇸 Amazon}
NS	`ns-86.awsdns-10.com` ⭐
		A	2600:9000:5300:5600::1^{🇺🇸 Amazon}
			PTR	`ns-86.awsdns-10.com`
		A	205.251.192.86^{🇺🇸 Amazon}
			PTR	`ns-86.awsdns-10.com`
NS	`ns-1446.awsdns-52.org`
		A	2600:9000:5305:a600::1^{🇺🇸 Amazon}
			PTR	`ns-1446.awsdns-52.org`
		A	205.251.197.166^{🇺🇸 Amazon}
			PTR	`ns-1446.awsdns-52.org`
NS	`ns-1558.awsdns-02.co.uk`
		A	2600:9000:5306:1600::1^{🇺🇸 Amazon}
			PTR	`ns-1558.awsdns-02.co.uk`
		A	205.251.198.22^{🇺🇸 Amazon}
			PTR	`ns-1558.awsdns-02.co.uk`
NS	`ns-581.awsdns-08.net`
		A	2600:9000:5302:4500::1^{🇺🇸 Amazon}
			PTR	`ns-581.awsdns-08.net`
		A	205.251.194.69^{🇺🇸 Amazon}
			PTR	`ns-581.awsdns-08.net`
SOA	`ns-86.awsdns-10.com`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=2602061100

Up

www.cs50.ca

Same first word

cs50.eu

cs50.college

cs50.wiki

cs50.es

cs50.co.uk

cs50.com.ua

cs50.readthedocs.io

cs50.email

cs50.tk

cs50.com

cs50.at

cs50.university

cs50.net

cs50.io

cs50.events

cs50.org

cs50.productions

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cs50.mobi

cs50.ly

cs50.tools

cs50.ca

cs50.me

cs50.biz

cs50.in

cs50.link

cs50.dev

cs50.de

cs50.it

cs50.us

cs50.co

cs50.education

cs50.space

cs50.tf

cs50.ws

cs50.site

cs50.info

cs50.website

cs50.pro

cs50.tv

cs50.photos

cs50.xyz

Similar names

sc05.com

s50c.com

c50s.com

cs05.com

50cs.cn

sc05.org

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ca	c.ca-servers.ca, d.ca-servers.ca, j.ca-servers.ca, any.ca-servers.ca	-
cs50.ca	ns-86.awsdns-10.com, ns-581.awsdns-08.net, ns-1446.awsdns-52.org, ns-1558.awsdns-02.co.uk	-

✅ Authoritative Response

Server: 205.251.192.86

NS records: ns-86.awsdns-10.com, ns-581.awsdns-08.net, ns-1446.awsdns-52.org, ns-1558.awsdns-02.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cs50.ca (unsigned zone)

⏱️ Timing

Total: 272ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`52.87.41.183, 54.209.107.246`
NS	4	`ns-1446.awsdns-52.org, ns-1558.awsdns-02.co.uk...`
SOA	1	`ns-86.awsdns-10.com awsdns-hostmaster.am`

AI analysis

cs50.ca is parent of www.cs50.ca.

cs50.ca points to two IP numbers: 52.87.41.183 and 54.209.107.246.

Other host names, for instance www.cs50.ca, ec2-54-209-107-246.compute-1.amazonaws.com and ec2-52-87-41-183.compute-1.amazonaws.com share IP numbers with cs50.ca.

cs50.ca is delegated to four name servers: ns-86.awsdns-10.com, ns-581.awsdns-08.net, ns-1446.awsdns-52.org and ns-1558.awsdns-02.co.uk.

cs50.ca at least partially shares its name servers with other domains, for instance chopserve.com, lji.institute, calebinthecloud.com, ddss6li9p5qjx.cloudfront.net and jckirbyandson.com.

These name servers are commonly used with ns-668.awsdns-19.net, ns-275.awsdns-34.com, ns-1836.awsdns-37.co.uk, ns-1634.awsdns-12.co.uk, ns-1428.awsdns-50.org, ns-1706.awsdns-21.co.uk, ns-476.awsdns-59.com, ns-839.awsdns-40.net, ns-1666.awsdns-16.co.uk and ns-87.awsdns-10.com.

Host names with two IPs: ns-86.awsdns-10.com points to 2600:9000:5300:5600::1 and 205.251.192.86; ns-581.awsdns-08.net points to 2600:9000:5302:4500::1 and 205.251.194.69; ns-1446.awsdns-52.org points to 2600:9000:5305:a600::1 and 205.251.197.166; ns-1558.awsdns-02.co.uk points to 2600:9000:5306:1600::1 and 205.251.198.22.