IPLIST.NET - castertech-com.mail.protection.office365.us
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castertech-com.mail.protection.office365.us checked at 2025-10-10T04:11:51.293Z 165ms 30/30/30 100% R:8castertech-com.mail.protection.office365.us
| A | 23.103.199.138🇺🇸 Microsoft | ||||||
| PTR | mail-bn3usg020138.inbound.protection.outlook.com | ||||||
| A | 23.103.199.170🇺🇸 Microsoft | ||||||
| PTR | mail-cy1usg020170.inbound.protection.outlook.com | ||||||
mail.protection.office365.us
| NS | ns1-proddns.glbdns.protection.office365.us | ||||||
| NS | ns2-proddns.glbdns.protection.office365.us | ||||||
MX for
AI analysis
castertech-com.mail.protection.office365.us serves as the mail server for castertech.com.
Two IP numbers are pointed to by castertech-com.mail.protection.office365.us: 23.103.199.138 and 23.103.199.170.
other host names include itscsecuresolutions.mail.protection.office365.us, atlasexec.mail.protection.office365.us, pacificshipyards-com.mail.protection.office365.us, ssfm.mail.protection.office365.us and filius.mail.protection.office365.us; they share IP numbers with castertech-com.mail.protection.office365.us.
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