IPLIST.NET - www.questdiagnostics.com

Search for IP or hostnames:

www.questdiagnostics.com checked at 2025-10-29T22:45:05.360Z 3192ms 108/108/108 100% R:13

`www.questdiagnostics.com`

CNAME	`questdiagnostics.com`
NS	`ns11.questdiagnostics.com`
		A	216.203.95.72^{🇺🇸 AS27021}
			PTR	`ns11.questdiagnostics.com`
NS	`ns12.questdiagnostics.com`
		A	216.203.95.73^{🇺🇸 AS27021}
			PTR	`ns12.questdiagnostics.com`
NS	`ns1.questdiagnostics.com`
		A	216.203.80.72^{🇺🇸 AS27021}
			PTR	`ns1.questdiagnostics.com`
NS	`ns3.questdiagnostics.com`
		A	216.203.80.73^{🇺🇸 AS27021}
			PTR	`ns3.questdiagnostics.com`
MX	`cluster4.us.messagelabs.com`
		A	67.219.246.209^{🇺🇸 Google}
			PTR	`mail908.messagelabs.com`
		A	67.219.246.216^{🇺🇸 Google}
			PTR	`mail902.messagelabs.com`
		A	67.219.247.97^{🇺🇸 Google}
			PTR	`mail921.messagelabs.com`
		A	67.219.247.193^{🇺🇸 Google}
			PTR	`mail926.messagelabs.com`
		A	67.219.250.211^{🇺🇸 Google}
			PTR	`mail942.messagelabs.com`
		A	67.219.250.216^{🇺🇸 Google}
			PTR	`mail949.messagelabs.com`
MX	`cluster4a.us.messagelabs.com`
		A	34.75.172.113^{🇺🇸 Google}
			PTR	`113.172.75.34.bc.googleusercontent.com`
A	52.232.227.90^{🇺🇸 Microsoft}

`questdiagnostics.com`

	NS	`ns11.questdiagnostics.com`
	NS	`ns12.questdiagnostics.com`
	NS	`ns1.questdiagnostics.com`
	NS	`ns3.questdiagnostics.com`
	MX	`cluster4.us.messagelabs.com`
	MX	`cluster4a.us.messagelabs.com`
	A	52.232.227.90^{🇺🇸 Microsoft}

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rank #6316 in the tld

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AI analysis

www.questdiagnostics.com points to a single IP address: 52.232.227.90.

Other host names such as hairtesting.com, medplus.com, questforhealth.com, examone.ca and sedlab.com share IP numbers with www.questdiagnostics.com.

www.questdiagnostics.com is delegated to four name servers: ns11.questdiagnostics.com, ns12.questdiagnostics.com, ns1.questdiagnostics.com and ns3.questdiagnostics.com.

At least part of the name servers for www.questdiagnostics.com are shared with other domains, for instance medigatebridge.net, getcare360.com, phenopath.com, imugen.com and labportal.net.

These name servers are commonly used alongside ns2.questdiagnostics.com and ns4.questdiagnostics.com.

Host names with one IP: ns11.questdiagnostics.com points to 216.203.95.72; ns12.questdiagnostics.com points to 216.203.95.73; ns1.questdiagnostics.com points to 216.203.80.72; ns3.questdiagnostics.com points to 216.203.80.73.

www.questdiagnostics.com is handled by two mail servers: cluster4.us.messagelabs.com and cluster4a.us.messagelabs.com.

www.questdiagnostics.com uses the same mail server setup as other domains, for instance automotivedealerbroker.com, chena201.na2.ford.com, crlprod-vip1.fmc3.ford.com, koopergroup.com and frafw-nat4.ford.com.

www.questdiagnostics.com shares mail servers with other domains to some extent, for instance eustg1.com, writeabookinaday.com, chinatelecom.com.sg and watchfulsoftware.com.

Host names with six IP numbers: The host name cluster4.us.messagelabs.com points to 67.219.246.209, 67.219.246.216, 67.219.247.97, 67.219.247.193, 67.219.250.211 and 67.219.250.216. Host names with one IP number: The host name cluster4a.us.messagelabs.com points to 34.75.172.113.

dbq