ROBTEX.COM - ns-old.research.att.com

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ns-old.research.att.com checked at 2025-12-23T11:48:59.176Z 2981ms 36/36/36 100% R:11 allDone:true timedOut:false

`ns-old.research.att.com`

	MX	`mx0a-00191d01.pphosted.com`
			A	67.231.149.140^{🇺🇸 Proofpoint}
				PTR	`mx0a-00191d01.pphosted.com`

`research.att.com`

	NS	`ns1.attdns.com`
	NS	`ns2.attdns.com`
	NS	`ns3.attdns.com`
	MX	`mx0a-00191d01.pphosted.com`
	MX	`mx0b-00191d01.pphosted.com`
	NS	`ns-bd-e1.research.att.com`
	NS	`ns-bd-e2.research.att.com`
	NS	`ns.research.att.com`
	A	135.207.255.47^{🇺🇸 AS6431}

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AI analysis

ns-old.research.att.com is handled by a single mail server, mx0a-00191d01.pphosted.com.

The mail server setup for ns-old.research.att.com matches that of other domains, for instance ninet.research.att.com, catordc03.research.att.com, janus.research.att.com, pc-da.research.att.com and trocmon.research.att.com.

ns-old.research.att.com shares at least partially some mail servers with other domains, including re-a7.att.com, netcare.att.com, mmsc.mobile.att.com, g68-121-0-132.sbcis.sbc.com and familymap.att.com.

these mail servers are commonly used together with mx0b-00191d01.pphosted.com.

mx0a-00191d01.pphosted.com points to a single IP: 67.231.149.140.