WWW.RTSAK.COM - it21st.com

Search for IP or hostnames:

it21st.com checked at 2025-10-17T12:43:10.170Z 192ms 88/88/88 100% R:12

`it21st.com`

NS	`cdns1.interserver.net`
		A	216.158.228.164^{🇺🇸 InterServer}
			PTR	`cdns1.interserver.net`
NS	`cdns2.interserver.net`
		A	216.158.234.243^{🇺🇸 InterServer}
			PTR	`cdns2.interserver.net`
NS	`cdns3.interserver.net`
		A	199.231.191.75^{🇺🇸 InterServer}
			PTR	`cdns3.interserver.net`
MX	`it21st-com.mail.protection.outlook.com`
		A	2a01:111:f403:c901::1 ^{🇺🇸 Microsoft}
			PTR	`mail-bl2pr04cu00201.inbound.protection.outlook.com`
		A	2a01:111:f403:c946:: ^{🇺🇸 Microsoft}
			PTR	`mail-ch5pr02cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f805::1 ^{🇺🇸 Microsoft}
			PTR	`mail-co1pr03cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:f908::2 ^{🇺🇸 Microsoft}
			PTR	`mail-bn8pr05cu00102.inbound.protection.outlook.com`
		A	52.101.9.11^{🇺🇸 Microsoft}
			PTR	`mail-bl2pr04cu00103.inbound.protection.outlook.com`
		A	52.101.10.5^{🇺🇸 Microsoft}
			PTR	`mail-bn6pr04cu00105.inbound.protection.outlook.com`
		A	52.101.10.16^{🇺🇸 Microsoft}
			PTR	`mail-bn6pr21cu00500.inbound.protection.outlook.com`
		A	52.101.11.19^{🇺🇸 Microsoft}
			PTR	`mail-sa9pr04cu00203.inbound.protection.outlook.com`
A	67.211.208.185^{🇺🇸 RoadRunner}
		PTR	`67.211.208.185.testhostnameinfinity.com`

it21st.com

it21st.com

it21st.com points to a single IP number: 67.211.208.185.

it21st.com at least partially shares name servers with other domains, for instance gr8sk8r.com, saandbamerica.com, koenen.nl, server.xaniahosting.com and lesassworship.com.

Host names with one IP number:

it21st.com is handled by a single mail server, it21st-com.mail.protection.outlook.com.

Host name it21st-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c901::1, 2a01:111:f403:c946::, 2a01:111:f403:f805::1, 2a01:111:f403:f908::2, 52.101.9.11, 52.101.10.5, 52.101.10.16 and 52.101.11.19.

dbq