MXLIST.NET - ctfed.mail.protection.office365.us
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ctfed.mail.protection.office365.us checked at 2025-10-21T20:13:40.605Z 190ms 40/40/40 100% R:13ctfed.mail.protection.office365.us
| A | 2001:489a:2202:4::10 🇺🇸 AS8070 | ||||||
| PTR | mail-bn3usg020010.inbound.protection.outlook.com | ||||||
| A | 2001:489a:2202:5::10 🇺🇸 AS8070 | ||||||
| PTR | mail-cy1usg020010.inbound.protection.outlook.com | ||||||
| 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
Starts with same word
Starts similarily
AI analysis
ctfed.mail.protection.office365.us is the mail server for ctfed.com.
Four IP numbers are pointed to by ctfed.mail.protection.office365.us: 2001:489a:2202:4::10, 2001:489a:2202:5::10, 23.103.199.138 and 23.103.199.170.
other host names including calibresys-us.mail.protection.office365.us, smithsinterconnect.mail.protection.office365.us, helionenergy.mail.protection.office365.us, xeniko.mail.protection.office365.us and rdexsystems.mail.protection.office365.us share IP numbers with ctfed.mail.protection.office365.us.
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