DNSWHOIS.INFO - caltechsys.com

Search for IP or hostnames:

caltechsys.com checked at 2025-10-18T23:03:26.948Z 188ms 96/96/96 100% R:12

`caltechsys.com`

NS	`dns1.registrar-servers.com`
		A	2610:a1:1024::200 ^{🇺🇸 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
		A	156.154.132.200^{🇺🇸 Neustar}
			PTR	`dns1.namecheaphosting.com`
			PTR	`dns1.registrar-servers.com`
NS	`dns2.registrar-servers.com`
		A	2610:a1:1025::200 ^{🇺🇸 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
		A	156.154.133.200^{🇺🇸 Neustar}
			PTR	`dns2.namecheaphosting.com`
			PTR	`dns2.registrar-servers.com`
MX	`caltechsys-com.mail.protection.outlook.com`
		A	2a01:111:f403:c802:: ^{🇺🇸 Microsoft}
			PTR	`mail-cy4pr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::7 ^{🇺🇸 Microsoft}
			PTR	`mail-sj0pr02cu00107.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::7 ^{🇺🇸 Microsoft}
			PTR	`mail-ch5pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:f805:: ^{🇺🇸 Microsoft}
			PTR	`mail-mw2pr02cu00400.inbound.protection.outlook.com`
		A	52.101.8.34^{🇺🇸 Microsoft}
			PTR	`mail-dm2pr04cu00102.inbound.protection.outlook.com`
		A	52.101.10.10^{🇺🇸 Microsoft}
			PTR	`mail-bn8pr05cu00102.inbound.protection.outlook.com`
		A	52.101.42.4^{🇺🇸 Microsoft}
			PTR	`mail-co1pr03cu00104.inbound.protection.outlook.com`
		A	52.101.194.4^{🇺🇸 Microsoft}
			PTR	`mail-ch4pr04cu00104.inbound.protection.outlook.com`
A	75.56.10.153^{🇺🇸 AT&T US - 7018}
		PTR	`adsl-75-56-10-153.dsl.mrdnct.sbcglobal.net`

caltechsys.com

techclassy.com

calsystech.com

caltechsys.com

caltechsys.com maps to IP address 75.56.10.153.

Two name servers dns1.registrar-servers.com and dns2.registrar-servers.com are delegated to caltechsys.com.

caltechsys.com uses the same name server configuration as other domains, such as cma.info, dazzlephotography.com, kepkezelo.com, policlass.com and realsexworkout.com.

caltechsys.com at least partially shares name servers with other domains such as thepattersonproject.com, 90y.org, malecky.com, barooda.com and zonecloud.ca.

Host names with two IPs:

caltechsys.com is handled by a single mail server, caltechsys-com.mail.protection.outlook.com.

caltechsys-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c802::, 2a01:111:f403:c902::7, 2a01:111:f403:c946::7, 2a01:111:f403:f805::, 52.101.8.34, 52.101.10.10, 52.101.42.4 and 52.101.194.4.

dbq