CF1757413647565-tsm20250909084259

DNSWHOIS.INFO - wwz.ck1.vnet.ibm.com

Search for IP or hostnames:

wwz.ck1.vnet.ibm.com checked at 2025-09-09T10:27:27.543Z 252ms 42/42/42 100% R:18

wwz.ck1.vnet.ibm.com

MXmx0a-001b2d05.pphosted.com
A205.220.161.114🇺🇸 Proofpoint
PTRmx0a-001b2d05.pphosted.com
MXmx0b-001b2d05.pphosted.com
A205.220.172.48🇺🇸 Proofpoint
PTRmx0b-001b2d05.pphosted.com

ck1.vnet.ibm.com

MXmx0a-001b2d05.pphosted.com
MXmx0b-001b2d05.pphosted.com

AI analysis

The parent of fax.wwz.ck1.vnet.ibm.com is wwz.ck1.vnet.ibm.com.

Two mail servers, mx0a-001b2d05.pphosted.com and mx0b-001b2d05.pphosted.com, manage wwz.ck1.vnet.ibm.com.

Just like other domains such as ca.ibm.com, imap.alvm.vnet.ibm.com, pt.ibm.com, ibm.com, and mail.buevm1.vnet.ibm.com, wwz.ck1.vnet.ibm.com also has the same mail server setup.

Other domains, such as openliberty.io, share at least some mail servers partially with wwz.ck1.vnet.ibm.com.

The mail servers mx0a-001b2d01.pphosted.com and mx0b-001b2d01.pphosted.com are commonly used in conjunction.

mx0a-001b2d05.pphosted.com and mx0b-001b2d05.pphosted.com both point to individual IP numbers: 205.220.161.114 and 205.220.172.48 respectively.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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