IPLIST.NET - courses.ist

Search for IP or hostnames:

courses.ist checked at 2025-09-13T00:34:06.745Z 931ms 98/98/98 100% R:8

`courses.ist`

NS	`pdns11.domaincontrol.com`
		A	2603:5:21f2::37 ^{🇺🇸 GODADDY-DNS}
			PTR	`pdns11.domaincontrol.com`
		A	97.74.111.55^{🇺🇸 GODADDY-DNS}
			PTR	`pdns11.domaincontrol.com`
NS	`pdns12.domaincontrol.com`
		A	2603:5:22f2::37 ^{🇺🇸 GODADDY-DNS}
			PTR	`pdns12.domaincontrol.com`
		A	173.201.79.55^{🇺🇸 GODADDY-DNS}
			PTR	`pdns12.domaincontrol.com`
MX	`mailstore1.secureserver.net`
		A	216.69.141.78^{🇺🇸 AS398101}
			PTR	`osplibsmtp01-v02.prod.phx3.secureserver.net`
		A	216.69.141.114^{🇺🇸 AS398101}
			PTR	`osplibsmtp03-v02.prod.phx3.secureserver.net`
		A	216.69.141.162^{🇺🇸 AS398101}
			PTR	`osplibsmtp02-v02.prod.phx3.secureserver.net`
MX	`smtp.secureserver.net`
		A	216.69.141.71^{🇺🇸 AS398101}
			PTR	`osplibsmtp01-v01.prod.phx3.secureserver.net`
		A	216.69.141.84^{🇺🇸 AS398101}
			PTR	`osplibsmtp02-v01.prod.phx3.secureserver.net`
		A	216.69.141.113^{🇺🇸 AS398101}
			PTR	`osplibsmtp03-v01.prod.phx3.secureserver.net`
A	3.33.130.190^{🇺🇸 Amazon}
		PTR	`a2aa9ff50de748dbe.awsglobalaccelerator.com`
A	15.197.148.33^{🇺🇸 Amazon}
		PTR	`a2aa9ff50de748dbe.awsglobalaccelerator.com`

`ist`

	NS	`a0.nic.ist`
	NS	`a2.nic.ist`
	NS	`b0.nic.ist`
	NS	`c0.nic.ist`

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AI analysis

courses.ist points to two IP numbers: 3.33.130.190 and 15.197.148.33.

IP numbers are shared between courses.ist and other host names such as trend.systems, unionverse.com, hgaca.net, shakeshotapp.com, and sestaks.com.

Two name servers, pdns11.domaincontrol.com and pdns12.domaincontrol.com, are delegated to courses.ist.

The name server setup of courses.ist is identical to that of other domains such as adtone.com, testlpa.com, lgalvincpa.com, askdna.co, and iws.com.hk.

pdns11.domaincontrol.com and pdns12.domaincontrol.com both point to two IP numbers each: 2603:5:21f2::37, 97.74.111.55 and 2603:5:22f2::37, 173.201.79.55 respectively.

Two mail servers, mailstore1.secureserver.net and smtp.secureserver.net, manage courses.ist.

Just like the domains shauction.com, decorahsecuritybank.com, krinskyrealty.com, alescopartners.com, and globalfacade.in, courses.ist also follows the same mail server setup.

For instance, courses.ist partially shares its mail servers with domains such as dcfcbank.com and embeddeddesignworks.com.

mailstore1.secureserver.net and smtp.secureserver.net each point to three IP numbers: 216.69.141.78, 216.69.141.114, 216.69.141.162 and 216.69.141.71, 216.69.141.84, 216.69.141.113 respectively.

dbq