MXLIST.NET - ext-core.research.att.com
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ext-core.research.att.com checked at 2025-10-24T19:30:49.781Z 2583ms 36/36/36 100% R:12ext-core.research.att.com
| MX | mx0a-00191d01.pphosted.com | ||||||
| A | 67.231.149.140🇺🇸 Proofpoint | ||||||
| PTR | mx0a-00191d01.pphosted.com | ||||||
research.att.com
| MX | mx0a-00191d01.pphosted.com | ||||||
| MX | mx0b-00191d01.pphosted.com | ||||||
| A | 135.207.255.47🇺🇸 AS6431 | ||||||
Starts similarily
AI analysis
ext-core.research.att.com is served by a single mail server, mx0a-00191d01.pphosted.com.
ext-core.research.att.com uses the same mail server setup as other domains such as davek.research.att.com, bdc1tlab01.research.att.com, fp-pixb.research.att.com, h-135-197-228-21.research.att.com and h-135-207-49-97.research.att.com.
ext-core.research.att.com shares some mail servers with other domains, including re-d2.att.com, nlpi054.sbcis.sbc.com, c-69-176-93-221.att.com, 126695-render07.att.com and imcomvgtw03.ser.cingular.net.
These mail servers are often used alongside the mail servers mx0b-00191d01.pphosted.com.
mx0a-00191d01.pphosted.com points to IP number 67.231.149.140.
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