NSLIST.NET - attachmentdefense-at1.proofpoint.com

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attachmentdefense-at1.proofpoint.com checked at 2025-09-07T01:37:26.815Z 315ms 35/35/35 100% R:5

`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 ^{🇺🇸 Thales/Imperva}
	A	2a02:e980:13e::cf ^{🇺🇸 Thales/Imperva}
	A	45.60.151.207^{🇺🇸 Thales/Imperva}
	A	45.60.171.207^{🇺🇸 Thales/Imperva}

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 refers to a single IP address, which is 67.231.154.91.

For instance, other host names like ushacus159dr.us2.proofpointarchiving.net share IP numbers with attachmentdefense-at1.proofpoint.com.

dbq