CF1763498748381-tsm20251116095642

WWW.RTSAK.COM - a4.ucsd.edu

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a4.ucsd.edu checked at 2025-11-18T20:45:48.268Z 1855ms 61/61/61 100% R:12 allDone:true timedOut:false

a4.ucsd.edu

MXa4.ucsd.edu
A169.228.220.48🇺🇸 UCSD
PTRa4.ucsd.edu
MXinbound.ucsd.edu
A148.163.141.31🇺🇸 Proofpoint
PTRmx0b-0016e101.pphosted.com
A148.163.145.30🇺🇸 Proofpoint
PTRmx0a-0016e101.pphosted.com
A169.228.220.48🇺🇸 UCSD
PTRa4.ucsd.edu

ucsd.edu

MXinbound.ucsd.edu
NSns-auth1.ucsd.edu
NSns-auth2.ucsd.edu
NSns-auth3.ucsd.edu
A75.2.44.127🇺🇸 Amazon
A99.83.137.54🇺🇸 Amazon
rank #570 globally
rank #31 in the tld
This domain name "ucsd.edu" represents the University of California, San Diego. It is used by the institution for its website, through which it provides information about its programs, faculty, research, admissions, and other university-related information. The ".edu" part of the domain indicates that it belongs to an educational institution.

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Starts with same word

Starts similarily

AI analysis

For a4.ucsd.edu, the mail server is a4.ucsd.edu.

inbound.ucsd.edu is a common mail server alongside a4.ucsd.edu.

a4.ucsd.edu points to a single IP number: 169.228.220.48.

Two mail servers handle a4.ucsd.edu: a4.ucsd.edu and inbound.ucsd.edu.

a4.ucsd.edu shares mail servers with other domains at least partially, including romano.ucsd.edu, cpo.ucsd.edu, hnrc.ucsd.edu, bernoulli.ucsd.edu and tonga.ucsd.edu.

these mail servers are frequently used with acs-mailscan-1.ucsd.edu, acs-mailscan-2.ucsd.edu, acs-mailscan-3.ucsd.edu, siomail.ucsd.edu, splash.ucsd.edu, ccom-portal.ucsd.edu, ieng9.ucsd.edu, cpox.cpo.ucsd.edu, gw.optiputer.calit2.net and provost.ucsd.edu.

Host names with two IP numbers: inbound.ucsd.edu points to 148.163.141.31 and 148.163.145.30.

Host names with one IP number: a4.ucsd.edu points to 169.228.220.48.

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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