CF1759385500176-tsm20251001211114

WWW.RTSAK.COM - ext-cb09.research.att.com

Search for IP or hostnames:

ext-cb09.research.att.com checked at 2025-10-02T06:11:40.159Z 2606ms 36/36/36 100% R:13

`ext-cb09.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}

AI analysis

ext-cb09.research.att.com is handled by a single mail server, mx0a-00191d01.pphosted.com.

ext-cb09.research.att.com shares the same mail server setup as other domains, for instance brighton.research.att.com, outsider.research.att.com, netmapper.research.att.com, ns-old.research.att.com and linksys01530.research.att.com.

ext-cb09.research.att.com shares mail servers with other domains at least partially, including rrp.att.com, rm-dnstechteam.ems.att.com, bettertv.att.com, mail.yahoo.att.com and myattbx06.att.com.

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

Host name mx0a-00191d01.pphosted.com points to IP address 67.231.149.140.

dbq

JtiGUMv CF johedugfp 2025-10-02