WWW.RTSAK.COM - www.questdiagnostics.com

Search for IP or hostnames:

www.questdiagnostics.com checked at 2025-10-17T06:21:12.663Z 1018ms 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}

rank #12205 globally
rank #6316 in the tld

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AI analysis

www.questdiagnostics.com points to an IP address: 52.232.227.90.

other host names include medplus.com, questforhealth.com, examone.ca, sedlab.com and employersolutions.com; they share IP numbers with www.questdiagnostics.com.

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

www.questdiagnostics.com at least partially shares name servers with other domains, for instance medigatebridge.net, getcare360.com, phenopath.com, imugen.com and labportal.net.

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

Host names with one IP number: 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 at least partially some mail servers with other domains, for instance eustg1.com, writeabookinaday.com, chinatelecom.com.sg, watchfulsoftware.com and aifcapital.com.

Host names with six IP numbers:

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:

cluster4a.us.messagelabs.com points to: 34.75.172.113.

dbq