WWW.RTSAK.COM - alex.math.upenn.edu
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alex.math.upenn.edu checked at 2025-10-09T04:08:26.923Z 97ms 33/33/33 100% R:14alex.math.upenn.edu
| MX | hans-hold.math.upenn.edu | ||||||
| A | 128.91.40.49🇺🇸 UPENN | ||||||
| PTR | hans-hold.math.upenn.edu | ||||||
math.upenn.edu
| MX | mxa-00390e01.gslb.pphosted.com | ||||||
| MX | mxb-00390e01.gslb.pphosted.com | ||||||
| A | 52.42.92.117🇺🇸 Amazon | ||||||
Starts with same word
Starts similarily
AI analysis
alex.math.upenn.edu is handled by a single mail server, hans-hold.math.upenn.edu.
The mail server setup for alex.math.upenn.edu matches that of other domains, for instance newton.math.upenn.edu, euler.math.upenn.edu, besicovitch.math.upenn.edu, alhazan.math.upenn.edu and archimedes.math.upenn.edu.
alex.math.upenn.edu shares some mail servers with other domains, at least in part, for instance moduli.math.upenn.edu.
hans-hold.math.upenn.edu points to a single IP: 128.91.40.49.
dbq