CF1757722318035-tsm20250912070358

IPLIST.NET - cs50.org

Search for IP or hostnames:

cs50.org checked at 2025-09-13T00:11:57.955Z 1177ms 153/153/153 100% R:10

cs50.org

NSns-177.awsdns-22.com
A2600:9000:5300:b100::1 🇺🇸 Amazon
PTRns-177.awsdns-22.com
A205.251.192.177🇺🇸 Amazon
PTRns-177.awsdns-22.com
MXaspmx2.googlemail.com
A2a00:1450:400b:c02::1a 🇮🇪 Google
PTRdj-in-f26.1e100.net
A172.253.116.26🇺🇸 Google
PTRdj-in-f26.1e100.net
MXaspmx3.googlemail.com
A2a00:1450:400c:c00::1b 🇧🇪 Google
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.27🇺🇸 Google
PTRws-in-f27.1e100.net
NSns-700.awsdns-23.net
A2600:9000:5302:bc00::1 🇺🇸 Amazon
PTRns-700.awsdns-23.net
A205.251.194.188🇺🇸 Amazon
PTRns-700.awsdns-23.net
NSns-1243.awsdns-27.org
A2600:9000:5304:db00::1 🇺🇸 Amazon
PTRns-1243.awsdns-27.org
A205.251.196.219🇺🇸 Amazon
PTRns-1243.awsdns-27.org
MXaspmx.l.google.com
A2607:f8b0:4004:c0b::1a 🇺🇸 Google
PTRbj-in-f26.1e100.net
A142.251.167.27🇺🇸 Google
PTRww-in-f27.1e100.net
NSns-2043.awsdns-63.co.uk
A2600:9000:5307:fb00::1 🇺🇸 Amazon
PTRns-2043.awsdns-63.co.uk
A205.251.199.251🇺🇸 Amazon
PTRns-2043.awsdns-63.co.uk
MXalt1.aspmx.l.google.com
A2a00:1450:400b:c02::1b 🇮🇪 Google
PTRdj-in-f27.1e100.net
A172.253.116.27🇺🇸 Google
PTRdj-in-f27.1e100.net
MXalt2.aspmx.l.google.com
A2a00:1450:400c:c00::1b 🇧🇪 Google
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.27🇺🇸 Google
PTRws-in-f27.1e100.net
A185.199.108.153🇺🇸 Fastly
PTRcdn-185-199-108-153.github.com
A185.199.109.153🇺🇸 Fastly
PTRcdn-185-199-109-153.github.com
A185.199.110.153🇺🇸 Fastly
PTRcdn-185-199-110-153.github.com
A185.199.111.153🇺🇸 Fastly
PTRcdn-185-199-111-153.github.com

org

NSa0.org.afilias-nst.info
NSa2.org.afilias-nst.info
NSc0.org.afilias-nst.info
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSd0.org.afilias-nst.org

PTR for

Starts with same word

Starts similarily

AI analysis

cs50.org is configured to point to the following four IP addresses: 185.199.108.153, 185.199.109.153, 185.199.110.153, and 185.199.111.153.

IP numbers are shared between cs50.org and other host names, such as tramontana.xyz, alvinhipolito.com, hoopyeah.com, mc-stan.org, and srubar.net.

Four name servers, ns-177.awsdns-22.com, ns-700.awsdns-23.net, ns-1243.awsdns-27.org, and ns-2043.awsdns-63.co.uk, have been delegated to cs50.org.

The domain cs50.org shares name servers, at least partially, with other domains such as apprendiendo.net, safeinit.com, nico-banhmi.com, daviplata.com, and lnge.com.

The name servers ns-1932.awsdns-49.co.uk, ns-990.awsdns-59.net, ns-1318.awsdns-36.org, ns-1145.awsdns-15.org, ns-815.awsdns-37.net, ns-1117.awsdns-11.org, ns-1554.awsdns-02.co.uk, ns-65.awsdns-08.com, ns-1813.awsdns-34.co.uk, and ns-606.awsdns-11.net are commonly used together.

ns-177.awsdns-22.com, ns-700.awsdns-23.net, ns-1243.awsdns-27.org, and ns-2043.awsdns-63.co.uk all point to two IP numbers each: 2600:9000:5300:b100::1 and 205.251.192.177; 2600:9000:5302:bc00::1 and 205.251.194.188; 2600:9000:5304:db00::1 and 205.251.196.219; 2600:9000:5307:fb00::1 and 205.251.199.251, respectively.

The five mail servers, aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com, and alt2.aspmx.l.google.com, are responsible for handling cs50.org.

Other domains like dayiri.com, lidersoft.com, ibsse.com, ddi-edge.com, and afsu.org share some mail servers, at least partially, with cs50.org.

The mail servers aspmx4.googlemail.com, aspmx5.googlemail.com, alt3.aspmx.l.google.com, and alt4.aspmx.l.google.com are commonly used in conjunction with these mail servers.

aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com, and alt2.aspmx.l.google.com all point to two IP numbers each: 2a00:1450:400b:c02::1a and 172.253.116.26, 2a00:1450:400c:c00::1b and 173.194.76.27, 2607:f8b0:4004:c0b::1a and 142.251.167.27, 2a00:1450:400b:c02::1b and 172.253.116.27, 2a00:1450:400c:c00::1b and 173.194.76.27 respectively.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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