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
| MX | a4.ucsd.edu | ||||||
| A | 169.228.220.48🇺🇸 UCSD | ||||||
| PTR | a4.ucsd.edu | ||||||
| MX | inbound.ucsd.edu | ||||||
| A | 148.163.141.31🇺🇸 Proofpoint | ||||||
| PTR | mx0b-0016e101.pphosted.com | ||||||
| A | 148.163.145.30🇺🇸 Proofpoint | ||||||
| PTR | mx0a-0016e101.pphosted.com | ||||||
| A | 169.228.220.48🇺🇸 UCSD | ||||||
| PTR | a4.ucsd.edu | ||||||
ucsd.edu
| MX | inbound.ucsd.edu | ||||||
| NS | ns-auth1.ucsd.edu | ||||||
| NS | ns-auth2.ucsd.edu | ||||||
| NS | ns-auth3.ucsd.edu | ||||||
| A | 75.2.44.127🇺🇸 Amazon | ||||||
| A | 99.83.137.54🇺🇸 Amazon | ||||||
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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a4.ucsd.edu |
Starts with same word
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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.