MXLIST.NET - 2n4.physics.upenn.edu
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2n4.physics.upenn.edu checked at 2025-10-19T21:20:57.951Z 141ms 22/22/22 100% R:102n4.physics.upenn.edu
| A | 128.91.43.193🇺🇸 UPENN | ||||||
| PTR | 2n4.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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2n4.physics.upenn.edu resolves to a single IP: 128.91.43.193.
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