WWW.RTSAK.COM - courses.ist

Search for IP or hostnames:

courses.ist checked at 2025-09-18T19:57:33.695Z 141ms 98/98/98 100% R:16

`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.

Other host names such as trend.systems, unionverse.com, hgaca.net, shakeshotapp.com and sestaks.com share IP numbers with courses.ist.

courses.ist is delegated to two name servers: pdns11.domaincontrol.com and pdns12.domaincontrol.com.

courses.ist uses the same name server setup as other domains, including adtone.com, testlpa.com, lgalvincpa.com, askdna.co and iws.com.hk.

Host names with two IP numbers:

pdns11.domaincontrol.com points to 2603:5:21f2::37 and 97.74.111.55.

pdns12.domaincontrol.com points to 2603:5:22f2::37 and 173.201.79.55.

courses.ist is handled by two mail servers: mailstore1.secureserver.net and smtp.secureserver.net.

courses.ist uses the same mail server setup as other domains, for instance shauction.com, decorahsecuritybank.com, krinskyrealty.com, alescopartners.com and globalfacade.in.

courses.ist shares some mail servers with other domains, for instance dcfcbank.com and embeddeddesignworks.com.

Host names with three IP numbers:

mailstore1.secureserver.net points to 216.69.141.78, 216.69.141.114 and 216.69.141.162; smtp.secureserver.net points to 216.69.141.71, 216.69.141.84 and 216.69.141.113.

dbq