CF1758535379304-tsm20250922073505

WWW.RTSAK.COM - wwz.ck1.vnet.ibm.com

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wwz.ck1.vnet.ibm.com checked at 2025-09-22T10:02:59.210Z 326ms 42/42/42 100% R:17

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

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AI analysis

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

wwz.ck1.vnet.ibm.com is handled by two mail servers: mx0a-001b2d05.pphosted.com and mx0b-001b2d05.pphosted.com.

wwz.ck1.vnet.ibm.com uses the same mail server configuration as 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 shares some mail servers with other domains at least partially, for example openliberty.io.

these mail servers are often used with mx0a-001b2d01.pphosted.com and mx0b-001b2d01.pphosted.com.

Host names with one IP number: mx0a-001b2d05.pphosted.com points to 205.220.161.114; mx0b-001b2d05.pphosted.com points to 205.220.172.48.

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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