WWW.ROBTEX.COM - grc.org

Search for IP or hostnames:

grc.org checked at 2025-10-13T22:40:09.376Z 232ms 201/201/201 100% R:6

`grc.org`

NS	`ns1-04.azure-dns.com`
		A	2603:1061:0:700::4^{🇺🇸 Microsoft}
			PTR	`ns1-04.azure-dns.com`
		A	13.107.236.4^{🇺🇸 Microsoft}
			PTR	`ns1-04.azure-dns.com`
NS	`ns4-04.azure-dns.info`
		A	2620:1ec:bda:700::4^{🇺🇸 Microsoft}
			PTR	`ns4-04.azure-dns.info`
		A	208.84.5.4^{🇺🇸 Microsoft}
			PTR	`ns4-04.azure-dns.info`
NS	`ns2-04.azure-dns.net`
		A	2620:1ec:8ec:700::4^{🇺🇸 Microsoft}
			PTR	`ns2-04.azure-dns.net`
		A	150.171.21.4^{🇺🇸 Microsoft}
			PTR	`ns2-04.azure-dns.net`
NS	`ns3-04.azure-dns.org`
		A	2a01:111:4000:700::4^{🇬🇧 Microsoft}
			PTR	`ns3-04.azure-dns.org`
		A	204.14.183.4^{🇺🇸 Microsoft}
			PTR	`ns3-04.azure-dns.org`
MX	`grc-org.mail.protection.outlook.com`
		A	2a01:111:f403:c903::^{🇺🇸 Microsoft}
			PTR	`mail-co1pr03cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:c92c::^{🇺🇸 Microsoft}
			PTR	`mail-dm5pr02cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f805::1^{🇺🇸 Microsoft}
			PTR	`mail-co1pr03cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:f90f::^{🇺🇸 Microsoft}
			PTR	`mail-sa9pr04cu00100.inbound.protection.outlook.com`
		A	52.101.9.12^{🇺🇸 Microsoft}
			PTR	`mail-bl0pr05cu00504.inbound.protection.outlook.com`
		A	52.101.41.54^{🇺🇸 Microsoft}
			PTR	`mail-sj2pr05cu00506.inbound.protection.outlook.com`
		A	52.101.41.183^{🇺🇸 Microsoft}
			PTR	`mail-byapr04cu00307.inbound.protection.outlook.com`
		A	52.101.194.13^{🇺🇸 Microsoft}
			PTR	`mail-ch0pr04cu00605.inbound.protection.outlook.com`
A	72.3.202.5^{🇺🇸 Rackspace Hosting}
		PTR	`www10.braveriver.com`

`org`

	NS	`a0.org.afilias-nst.info`
	NS	`a2.org.afilias-nst.info`
	NS	`c0.org.afilias-nst.info`
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`d0.org.afilias-nst.org`

rank #32447 globally
rank #3700 in the tld

Up

www.grc.org

Starts with same word

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Starts similarily

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AI analysis

grc.org is parent of www.grc.org.

grc.org points to a single IP: 72.3.202.5.

Other host names, for instance epbws.com, keys.independence-bank.com, www10.braveriver.com, ibroadcast-via-ctc.kenney.com and moodytools.com share IP numbers with grc.org.

grc.org is delegated to four name servers: ns1-04.azure-dns.com, ns4-04.azure-dns.info, ns2-04.azure-dns.net and ns3-04.azure-dns.org.

grc.org at least partially shares its name servers with other domains, for instance cronersimplify.net, oticon.com.my, zeeintranet.com, microsoft.ws and pixley.k12.ca.us.

Host names with two IPs: ns1-04.azure-dns.com points to 2603:1061:0:700::4 and 13.107.236.4; ns4-04.azure-dns.info points to 2620:1ec:bda:700::4 and 208.84.5.4; ns2-04.azure-dns.net points to 2620:1ec:8ec:700::4 and 150.171.21.4; ns3-04.azure-dns.org points to 2a01:111:4000:700::4 and 204.14.183.4.

grc.org is served by a single mail server, grc-org.mail.protection.outlook.com.

The host name grc-org.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c903::, 2a01:111:f403:c92c::, 2a01:111:f403:f805::1, 2a01:111:f403:f90f::, 52.101.9.12, 52.101.41.54, 52.101.41.183 and 52.101.194.13.

dbq