MXLIST.NET - courses.ist

Search for IP or hostnames:

courses.ist checked at 2025-10-13T20:00:57.765Z 168ms 98/98/98 100% R:12

`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

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

For instance, other host names 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 such as 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.

Two mail servers mailstore1.secureserver.net and smtp.secureserver.net handle courses.ist.

courses.ist shares the same mail server setup as other domains, for instance shauction.com, 311inmobiliaria.com, decorahsecuritybank.com, krinskyrealty.com and alescopartners.com.

courses.ist shares some mail servers with other domains to some extent, 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