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mx0b-004a9c01.pphosted.com checked at 2025-12-15T15:14:34.378Z 3066ms 22/22/22 100% R:6 allDone:true timedOut:false

`mx0b-004a9c01.pphosted.com`

	A	205.220.173.250^{🇺🇸 Proofpoint}
			PTR	`mx0b-004a9c01.pphosted.com`

	NS	`pdns99.ultradns.biz`
	NS	`ns1.proofpoint.com`
	NS	`ns3.proofpoint.com`
	NS	`pdns99.ultradns.com`
	NS	`pdns99.ultradns.net`
	NS	`pdns99.ultradns.org`
	MX	`mx1.proofpoint.com.gslb.pphosted.com`
	MX	`mx2.proofpoint.com.gslb.pphosted.com`

250.173.220.205.in-addr.arpa

mx0b-004a9c01.pphosted.com resolves to one IP number: 205.220.173.250.

Other host names, for instance mxb-004a9c01.gslb.pphosted.com, share IP numbers with mx0b-004a9c01.pphosted.com.