DNSWHOIS.INFO - cs50.org

Search for IP or hostnames:

cs50.org checked at 2025-09-07T08:18:09.378Z 270ms 153/153/153 100% R:14

`cs50.org`

NS	`ns-177.awsdns-22.com`
		A	2600:9000:5300:b100::1 ^{🇺🇸 Amazon}
			PTR	`ns-177.awsdns-22.com`
		A	205.251.192.177^{🇺🇸 Amazon}
			PTR	`ns-177.awsdns-22.com`
MX	`aspmx2.googlemail.com`
		A	2a00:1450:400b:c02::1b ^{🇮🇪 Google}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx3.googlemail.com`
		A	2a00:1450:400c:c00::1a ^{🇧🇪 Google}
			PTR	`ws-in-f26.1e100.net`
			PTR	`ws-in-x1a.1e100.net`
		A	173.194.76.26^{🇺🇸 Google}
			PTR	`ws-in-f26.1e100.net`
NS	`ns-700.awsdns-23.net`
		A	2600:9000:5302:bc00::1 ^{🇺🇸 Amazon}
			PTR	`ns-700.awsdns-23.net`
		A	205.251.194.188^{🇺🇸 Amazon}
			PTR	`ns-700.awsdns-23.net`
NS	`ns-1243.awsdns-27.org`
		A	2600:9000:5304:db00::1 ^{🇺🇸 Amazon}
			PTR	`ns-1243.awsdns-27.org`
		A	205.251.196.219^{🇺🇸 Amazon}
			PTR	`ns-1243.awsdns-27.org`
MX	`aspmx.l.google.com`
		A	2607:f8b0:4004:c19::1b ^{🇺🇸 Google}
			PTR	`bk-in-f27.1e100.net`
		A	142.251.179.26^{🇺🇸 Google}
			PTR	`pd-in-f26.1e100.net`
NS	`ns-2043.awsdns-63.co.uk`
		A	2600:9000:5307:fb00::1 ^{🇺🇸 Amazon}
			PTR	`ns-2043.awsdns-63.co.uk`
		A	205.251.199.251^{🇺🇸 Amazon}
			PTR	`ns-2043.awsdns-63.co.uk`
MX	`alt1.aspmx.l.google.com`
		A	2a00:1450:400b:c02::1b ^{🇮🇪 Google}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google}
			PTR	`dj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`
		A	2a00:1450:400c:c00::1a ^{🇧🇪 Google}
			PTR	`ws-in-f26.1e100.net`
			PTR	`ws-in-x1a.1e100.net`
		A	173.194.76.27^{🇺🇸 Google}
			PTR	`ws-in-f27.1e100.net`
A	185.199.108.153^{🇺🇸 Fastly}
		PTR	`cdn-185-199-108-153.github.com`
A	185.199.109.153^{🇺🇸 Fastly}
		PTR	`cdn-185-199-109-153.github.com`
A	185.199.110.153^{🇺🇸 Fastly}
		PTR	`cdn-185-199-110-153.github.com`
A	185.199.111.153^{🇺🇸 Fastly}
		PTR	`cdn-185-199-111-153.github.com`

`org`

	NS	`a0.org.afilias-nst.info`
	NS	`a2.org.afilias-nst.info`
	NS	`c0.org.afilias-nst.info`
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`d0.org.afilias-nst.org`

PTR for
`234.204.113.208.in-addr.arpa`

Starts with same word
`cs50.eu`
`cs50.college`
`cs50.wiki`
`cs50.es`
`cs50.co.uk`
`cs50.com.ua`
`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.services`
`cs50.me`
`cs50.biz`
`cs50.in`
`cs50.link`
`cs50.de`
`cs50.it`
`cs50.us`
`cs50.co`
`cs50.education`
`cs50.site`
`cs50.info`
`cs50.pro`
`cs50.tv`
`cs50.photos`
`cs50.xyz`

Starts similarily
`cs50.github.io`
`cs50.tk`
`cs50.com`
`sc05.com`
`cs50.at`
`cs50.university`
`s50c.com`
`cs50.net`
`cs50.io`
`cs50.events`
`cs50.org`
`cs50.productions`
`cs50.center`
`cs50.mobi`
`cs50.ly`
`cs50.services`
`cs50.me`
`cs50.biz`
`cs50.in`
`cs50.link`
`cs50.de`
`cs50.it`
`c50s.com`
`cs50.us`
`cs50.co`
`cs50.education`
`cs05.com`
`cs50.site`
`cs50.info`
`cs50.pro`
`cs50.tv`
`sc05.org`
`cs50.photos`
`cs50.xyz`
`cs50.eu`
`cs50.college`
`cs50.wiki`
`cs50.es`
`cs50.co.uk`
`cs50.com.ua`
`cs50.readthedocs.io`
`cs50.email`

AI analysis

The DNS record cs50.org resolves to the following 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 like tramontana.xyz, alvinhipolito.com, hoopyeah.com, mc-stan.org, and srubar.net.

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

The domain cs50.org shares its 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 typically used in conjunction.

ns-177.awsdns-22.com, ns-700.awsdns-23.net, ns-1243.awsdns-27.org, and ns-2043.awsdns-63.co.uk 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.

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 in charge of handling cs50.org.

Other domains such as 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 typically utilized in conjunction.

aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, and alt1.aspmx.l.google.com each point to a pair of IP addresses. aspmx2.googlemail.com points to 2a00:1450:400b:c02::1b and 172.253.116.26, aspmx3.googlemail.com points to 2a00:1450:400c:c00::1a and 173.194.76.26, aspmx.l.google.com points to 2607:f8b0:4004:c19::1b and 142.251.179.26, and alt1.aspmx.l.google.com also points to 2a00:1450:400b:c02::1b and 172.253.116.26. Additionally, alt2.aspmx.l.google.com points to 2a00:1450:400c:c00::1a and 173.194.76.27.

dbq