IPLIST.NET - ck1.vnet.ibm.com

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ck1.vnet.ibm.com checked at 2025-09-16T05:07:19.376Z 108ms 42/42/42 100% R:11

`ck1.vnet.ibm.com`

MX	`mx0a-001b2d05.pphosted.com`
		A	205.220.161.114^{🇺🇸 Proofpoint}
			PTR	`mx0a-001b2d05.pphosted.com`
MX	`mx0b-001b2d05.pphosted.com`
		A	205.220.172.48^{🇺🇸 Proofpoint}
			PTR	`mx0b-001b2d05.pphosted.com`

`vnet.ibm.com`

	MX	`mx0a-001b2d05.pphosted.com`
	MX	`mx0b-001b2d05.pphosted.com`

Up

wwz.ck1.vnet.ibm.com

Starts with same word

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Starts similarily

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1kc.info

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AI analysis

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

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

Just like other domains such as ibmde.vnet.ibm.com, endvm1.vnet.ibm.com, za.ibm.com, mail.hekvm.vnet.ibm.com, and lavm1.vnet.ibm.com, 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 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.

dbq