CF1758665970156-tsm20250923215847

WWW.ROBTEX.COM - cs50.harvard.edu

Search for IP or hostnames:

cs50.harvard.edu checked at 2025-09-23T22:19:30.077Z 1481ms 206/206/206 100% R:10

cs50.harvard.edu

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
A2a00:1450:4009:c0f::1a🇬🇧 Google
PTRyulhrs-in-f26.1e100.net
A192.178.223.26🇺🇸 Google
PTRyulhrs-in-f26.1e100.net
MXaspmx.l.google.com
A2607:f8b0:4004:c17::1b🇺🇸 Google
PTRbl-in-f27.1e100.net
A142.251.167.26🇺🇸 Google
PTRww-in-f26.1e100.net
NSns1.cs50.harvard.edu
A205.251.193.126🇺🇸 Amazon
PTRns-382.awsdns-47.com
NSns2.cs50.harvard.edu
A205.251.196.101🇺🇸 Amazon
PTRns-1125.awsdns-12.org
NSns3.cs50.harvard.edu
A205.251.194.247🇺🇸 Amazon
PTRns-759.awsdns-30.net
NSns4.cs50.harvard.edu
A205.251.199.190🇺🇸 Amazon
PTRns-1982.awsdns-55.co.uk
MXalt1.aspmx.l.google.com
A2607:f8b0:4023:100f::1a🇺🇸 Google
PTRyudfwra-in-f26.1e100.net
A192.178.220.27🇺🇸 Google
PTRyudfwra-in-f27.1e100.net
MXalt2.aspmx.l.google.com
A2607:f8b0:4003:c30::1b🇺🇸 Google
PTRyutulis-in-f27.1e100.net
A74.125.27.26🇺🇸 Google
PTRyutulis-in-f26.1e100.net
A34.229.31.35🇺🇸 Amazon
PTRec2-34-229-31-35.compute-1.amazonaws.com
A54.243.253.210🇺🇸 Amazon
PTRec2-54-243-253-210.compute-1.amazonaws.com

harvard.edu

MXmx0a-00171101.pphosted.com
MXmx0b-00171101.pphosted.com
NSa1-171.akam.net
NSa10-66.akam.net
NSa11-67.akam.net
NSa16-64.akam.net
NSa6-66.akam.net
NSa7-65.akam.net
A192.0.66.20🇺🇸 Automattic
rank #103 globally
rank #1 in the tld
This domain name "harvard.edu" represents the official website of Harvard University, a prestigious Ivy League research university located in Cambridge, Massachusetts, United States. It serves as a platform for the institution to share information about its academics, research, admissions, campus life, news, events, and other university-related content to students, staff, alumni, and the public.

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AI analysis

cs50.harvard.edu is a parent of ns4.cs50.harvard.edu, ns2.cs50.harvard.edu, ns3.cs50.harvard.edu and ns1.cs50.harvard.edu.

cs50.harvard.edu points to two IP numbers: 34.229.31.35 and 54.243.253.210.

cs50.harvard.edu is delegated to four name servers: ns1.cs50.harvard.edu, ns2.cs50.harvard.edu, ns3.cs50.harvard.edu and ns4.cs50.harvard.edu.

Host names with one IP number:

ns1.cs50.harvard.edu points to: 205.251.193.126

ns2.cs50.harvard.edu points to: 205.251.196.101

ns3.cs50.harvard.edu points to: 205.251.194.247

ns4.cs50.harvard.edu points to: 205.251.199.190

cs50.harvard.edu is handled by five mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

cs50.harvard.edu shares at least partially some mail servers with other domains, for instance finopgroup.com, protechm.com, mediasmart.mobi, narcosisdive.com and jvdw.eu.

these mail servers are often used together with aspmx4.googlemail.com, aspmx5.googlemail.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host names with two IP numbers

Each host name points to two IP numbers:

aspmx2.googlemail.com points to 2a00:1450:400b:c02::1a and 172.253.116.26

aspmx3.googlemail.com points to 2a00:1450:4009:c0f::1a and 192.178.223.26

aspmx.l.google.com points to 2607:f8b0:4004:c17::1b and 142.251.167.26

alt1.aspmx.l.google.com points to 2607:f8b0:4023:100f::1a and 192.178.220.27

alt2.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.26

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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JqkColO CF johedugfp 2025-09-23