`cs50.your.org`

DNSSEC	⚠️ Not signed
A	204.9.54.50^{🇺🇸 YOURORG-1204.9.48.0/21 YOUR-ORG block E (ARIN)}
		PTR	`cs50.your.org`

`your.org`

	DNSSEC	⚠️ Not signed
	A	163.237.254.158^{🇺🇸 YOURORG-1163.237.0.0/16 Redwood Network Design 218 Carbonera Drive Santa Cruz, CA 95060-1500}
	NS	`ns1.your.org` ⭐
	NS	`ns2.your.org`
	NS	`ns3.your.org`
	NS	`ns4.your.org`
	MX	`in1-smtp.messagingengine.com` ⭐
	MX	`in2-smtp.messagingengine.com`⁽²⁰⁾
	TXT	`v=spf1 ip4:163.237.0.0/16 ip4:204.9.48.0/21 ip4:216.14.96.0/20 ip4:207.229.71...`
	TXT	`atlassian-domain-verification=9Bf1GiXAYQba9f7oOWEWndfulWchU5tKODmTHNkL2xSZzWX...`
	TXT	`google-site-verification=05TKF2TNgbRFdZkUshlngxhNtM826itYyqfUPUcHlME`
	SOA	`ns1.your.org`hostmaster@your.org 2026-06-04 #1

rank #293535 globally
rank #21425 in the tld
📈 Tranco rank: #14,489

PTR for

50.54.9.204.in-addr.arpa

Same first word

cs50.readthedocs.io

cs50.email

cs50.github.io

cs50.tk

cs50.com

cs50.at

cs50.university

cs50.net

cs50.io

cs50.events

cs50.org

cs50.productions

cs50.center

cs50.mobi

cs50.ly

cs50.tools

cs50.ca

cs50.zone

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

cs50.eu

cs50.college

cs50.wiki

cs50.es

cs50.co.uk

cs50.com.ua

Similar names

c50s.com

cs05.com

50cs.cn

sc05.org

50sc.df.gov.br

sc05.com

s50c.com

DNS History

3 records (1 active, 2 former)

●A204.9.54.502015-06-13 → 2026-06-04 · 3 obs

○ 2008-07-05 09:44:30
● 2015-06-13 17:23:54
● 2026-06-04 13:33:20

○A216.14.96.502008-07-05 → 2008-07-05 · 3 obs

● 2008-07-05 09:44:30
○ 2015-06-13 17:23:54
○ 2026-06-04 13:33:20

○A216.14.97.502008-07-05 → 2008-07-05 · 3 obs

● 2008-07-05 09:44:30
○ 2015-06-13 17:23:54
○ 2026-06-04 13:33:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org	-
your.org	ns2.your.org, ns3.your.org, ns4.your.org, ns1.your.org	6 records

✅ Authoritative Response

Server:163.237.210.251

NS records: ns2.your.org, ns3.your.org, ns4.your.org, ns1.your.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for your.org (unsigned zone)

⏱️ Timing

Total: 645ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`204.9.54.50`

📌 Glue Records Collected

Total: 6

In-bailiwick: 6 (ns1.your.org, ns2.your.org, ns3.your.org...)

Analysis

IP Addresses

cs50.your.org resolves to just one IP address, 204.9.54.50.

cs50.your.org - robtex.com

cs50.your.org

your.org