NSLIST.NET - it21st.com

Search for IP or hostnames:

it21st.com checked at 2025-10-18T12:40:28.921Z 873ms 88/88/88 100% R:11

`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:c91d:: ^{🇺🇸 Microsoft}
			PTR	`mail-mw2pr04cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::1 ^{🇺🇸 Microsoft}
			PTR	`mail-sj2pr05cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:f903:: ^{🇺🇸 Microsoft}
		A	2a01:111:f403:f90a:: ^{🇺🇸 Microsoft}
			PTR	`mail-bn6pr02cu00300.inbound.protection.outlook.com`
		A	52.101.8.32^{🇺🇸 Microsoft}
			PTR	`mail-dm5pr02cu00100.inbound.protection.outlook.com`
		A	52.101.9.0^{🇺🇸 Microsoft}
			PTR	`mail-bl2pr02cu00100.inbound.protection.outlook.com`
		A	52.101.41.6^{🇺🇸 Microsoft}
			PTR	`mail-sj0pr03cu01406.inbound.protection.outlook.com`
		A	52.101.42.6^{🇺🇸 Microsoft}
			PTR	`mail-mw2pr02cu00306.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: 67.211.208.185.

it21st.com partially shares name servers with other domains; examples include 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.

Hostname it21st-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c91d::, 2a01:111:f403:f802::1, 2a01:111:f403:f903::, 2a01:111:f403:f90a::, 52.101.8.32, 52.101.9.0, 52.101.41.6 and 52.101.42.6.

dbq