4
records
Mail Servers
TTL
MX
Proofpoint
10
1h
MX
Proofpoint
10
1h
ee.upenn.edu. 3600 IN MX 10 mxa-00390e01.gslb.pphosted.com. ee.upenn.edu. 3600 IN MX 10 mxb-00390e01.gslb.pphosted.com.