MS-102 - Deploy and Manage a Microsoft 365 Tenant - Section 1.4

Manage domains in Microsoft 365 including adding, verifying, and configuring DNS records.

Add and verify a custom domain in Microsoft 365 by creating the required DNS verification record at the registrar, then configure MX records and email authentication records including SPF, DKIM, and DMARC. Recognise how missing or misconfigured records affect mail flow and domain validation.

custom domainDNS verificationMX recordsSPF DKIM DMARCdomain management

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