WWW.RTSAK.COM - sp01.physics.upenn.edu
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sp01.physics.upenn.edu checked at 2025-10-06T18:17:24.635Z 100ms 22/22/22 100% R:10sp01.physics.upenn.edu
| A | 128.91.44.57🇺🇸 UPENN | ||||||
| PTR | sp01.physics.upenn.edu | ||||||
physics.upenn.edu
| MX | mxa-00390e01.gslb.pphosted.com | ||||||
| MX | mxb-00390e01.gslb.pphosted.com | ||||||
| A | 52.13.158.170🇺🇸 Amazon | ||||||
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sp01.physics.upenn.edu resolves to one IP number: 128.91.44.57.
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