MXLIST.NET - attachmentdefense-at1.proofpoint.com

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attachmentdefense-at1.proofpoint.com checked at 2025-10-23T19:55:30.017Z 80ms 35/35/35 100% R:6

`attachmentdefense-at1.proofpoint.com`

A	67.231.154.91^{🇺🇸 Proofpoint}
		PTR	`attachmentdefense-at1.proofpoint.com`
		PTR	`ushacus159dr.us2.proofpointarchiving.net`

`proofpoint.com`

	NS	`pdns99.ultradns.biz`
	MX	`mx0a-00148501.pphosted.com`
	MX	`mx0b-00148501.pphosted.com`
	NS	`ns1.proofpoint.com`
	NS	`ns3.proofpoint.com`
	NS	`pdns99.ultradns.com`
	NS	`pdns99.ultradns.net`
	NS	`pdns99.ultradns.org`
	MX	`mxa-00148501.gslb.pphosted.com`
	MX	`mxb-00148501.gslb.pphosted.com`
	A	2a02:e980:e6::cf ^{🇺🇸 Incapsula}
	A	2a02:e980:13e::cf ^{🇺🇸 Incapsula}
	A	45.60.151.207^{🇺🇸 Incapsula}
	A	45.60.171.207^{🇺🇸 Incapsula}

rank #584 globally
rank #356 in the tld
This domain "proofpoint.com" belongs to Proofpoint Inc., an enterprise security company based in Sunnyvale, California. The company provides software as a service and products for inbound email security, outbound data loss prevention, social media, mobile devices, digital risk, email encryption, electronic discovery, and email archiving. It helps businesses protect their data and stop new threats quickly.

PTR for

91.154.231.67.in-addr.arpa

AI analysis

attachmentdefense-at1.proofpoint.com resolves to one IP number: 67.231.154.91.

Other host names, for example ushacus159dr.us2.proofpointarchiving.net, share IP numbers with attachmentdefense-at1.proofpoint.com.

dbq