WWW.RTSAK.COM - postoffice.seas.upenn.edu
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postoffice.seas.upenn.edu checked at 2025-10-13T21:51:44.689Z 178ms 36/36/36 100% R:16postoffice.seas.upenn.edu
| MX | mxa-00390e01.gslb.pphosted.com | ||||||
| A | 148.163.133.158🇺🇸 Proofpoint | ||||||
| PTR | mx0a-00390e01.pphosted.com | ||||||
| MX | mxb-00390e01.gslb.pphosted.com | ||||||
| A | 148.163.137.158🇺🇸 Proofpoint | ||||||
| PTR | mx0b-00390e01.pphosted.com | ||||||
seas.upenn.edu
| MX | mxa-00390e01.gslb.pphosted.com | ||||||
| MX | mxb-00390e01.gslb.pphosted.com | ||||||
| A | 158.130.68.91🇺🇸 UPENN | ||||||
Starts with same word
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AI analysis
Two mail servers handle postoffice.seas.upenn.edu: mxa-00390e01.gslb.pphosted.com and mxb-00390e01.gslb.pphosted.com.
postoffice.seas.upenn.edu shares the same mail server setup as other domains, including astro.physics.upenn.edu, dolphin.upenn.edu, grasp-l.cis.upenn.edu, museum.upenn.edu and soc.upenn.edu.
Host names with a single IP address:
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