MXLIST.NET - mx0a-001f9d01.pphosted.com

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mx0a-001f9d01.pphosted.com checked at 2025-10-28T23:30:47.401Z 90ms 28/28/28 100% R:9

`mx0a-001f9d01.pphosted.com`

	A	148.163.156.53^{🇺🇸 Proofpoint}
			PTR	`mx0a-001f9d01.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`

53.156.163.148.in-addr.arpa

mx0a-001f9d01.pphosted.com serves as the mail server for costco.ca, contactcostco.com, costco.is, costcocanadaliquor.ca, costco.fr and a few other domains.

mx0b-001f9d01.pphosted.com is commonly used as a mail server in conjunction with mx0a-001f9d01.pphosted.com.

mx0a-001f9d01.pphosted.com points to a single IP number: 148.163.156.53.

Other host names, for instance mxb-001f9d01.gslb.pphosted.com and pe-001f9d01.gslb.pphosted.com, share IP numbers with mx0a-001f9d01.pphosted.com.

dbq