IPLIST.NET - it21st.com
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it21st.com checked at 2025-10-21T01:51:05.472Z 127ms 88/88/88 100% R:13it21st.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:c902::6 🇺🇸 Microsoft | ||||||
| PTR | mail-sj0pr21cu00106.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:c903:: 🇺🇸 Microsoft | ||||||
| PTR | mail-co1pr03cu00100.inbound.protection.outlook.com | ||||||
| A | 2a01:111:f403:f907:: 🇺🇸 Microsoft | ||||||
| A | 2a01:111:f403:f908::1 🇺🇸 Microsoft | ||||||
| PTR | mail-bn1pr04cu00101.inbound.protection.outlook.com | ||||||
| A | 52.101.10.16🇺🇸 Microsoft | ||||||
| PTR | mail-bn6pr21cu00500.inbound.protection.outlook.com | ||||||
| A | 52.101.41.3🇺🇸 Microsoft | ||||||
| PTR | mail-sj2pr05cu00103.inbound.protection.outlook.com | ||||||
| A | 52.101.41.6🇺🇸 Microsoft | ||||||
| PTR | mail-sj0pr03cu01406.inbound.protection.outlook.com | ||||||
| A | 52.101.194.12🇺🇸 Microsoft | ||||||
| PTR | mail-ch0pr04cu00504.inbound.protection.outlook.com | ||||||
| A | 67.211.208.185🇺🇸 RoadRunner | ||||||
| PTR | 67.211.208.185.testhostnameinfinity.com | ||||||
com
Starts with same word
it21st.com |
Starts similarily
it21st.com |
AI analysis
it21st.com points to a single IP address: 67.211.208.185.
it21st.com is delegated to three name servers: cdns1.interserver.net, cdns2.interserver.net and cdns3.interserver.net.
At least part of the name servers for it21st.com are shared with other domains, for instance gr8sk8r.com, saandbamerica.com, koenen.nl, server.xaniahosting.com and lesassworship.com.
Host names with a single IP:
cdns1.interserver.net points to: 216.158.228.164
cdns2.interserver.net points to: 216.158.234.243
cdns3.interserver.net points to: 199.231.191.75
The mail server for it21st.com is it21st-com.mail.protection.outlook.com.
it21st-com.mail.protection.outlook.com points to eight IP numbers: 2a01:111:f403:c902::6, 2a01:111:f403:c903::, 2a01:111:f403:f907::, 2a01:111:f403:f908::1, 52.101.10.16, 52.101.41.3, 52.101.41.6 and 52.101.194.12.