Office 365 GCC High DNS 记录DNS records for Office 365 GCC High

本文适用于 Office 365 GCC 高和 Microsoft 365 GCC 高This article applies to Office 365 GCC High and Microsoft 365 GCC High

作为加入 Office 365 GCC 的一部分,你需要将 SMTP 和 SIP 域添加到你的在线服务租户。As part of onboarding to Office 365 GCC High, you will need to add your SMTP and SIP domains to your Online Services tenant. 你将使用 Azure AD PowerShell 中的 MsolDomain cmdlet 执行此操作,或使用 Azure 政府门户 启动添加域和证明所有权的过程。You’ll do this using the New-MsolDomain cmdlet in Azure AD PowerShell or use the Azure Government Portal to start the process of adding the domain and proving ownership.

将你的域添加到租户并进行验证后,请使用以下指南为以下服务添加适当的 DNS 记录。Once you have your domains added to your tenant and validated, use the following guidance to add the appropriate DNS records for the services below. 您可能需要根据组织的入站 MX 记录 (s) 和任何现有的 Exchange 自动发现记录 (s) 修改下表,以满足组织对入站 MX 记录的需求。You may need to modify the below table to fit your organization’s needs with respect to the inbound MX record(s) and any existing Exchange Autodiscover record(s) you have in place. 强烈建议将这些 DNS 记录与邮件团队进行协调,以避免任何中断或电子邮件的误传递。We strongly recommend coordinating these DNS records with your messaging team to avoid any outages or mis-delivery of email.

Exchange OnlineExchange Online

类型Type 优先级Priority 主机名Host name 指向 "地址" 或 "值"Points to address or value TTLTTL
MXMX 00 @ (详细信息,请参阅下文) (see below for additional details) 1 Hour1 Hour
TXTTXT - @ v = spf1 包括 include -all 1 小时1 Hour
CNAMECNAME - autodiscoverautodiscover 1 Hour1 Hour

Exchange 自动发现记录Exchange Autodiscover record

如果您有本地 Exchange Server,我们建议您在迁移到 Exchange Online 时就地保留现有记录,并在完成迁移后立即更新该记录。If you have Exchange Server on-premises, we recommend leaving your existing record in place while you migrate to Exchange Online, and update that record once you have completed your migration.

Exchange Online MX 记录Exchange Online MX Record

您的接受域的 MX 记录值遵循上面所述的标准 格式:,将 租户 替换为默认租户名称的第一部分。The MX record value for your accepted domains follows a standard format as noted above:, replacing tenant with the first part of your default tenant name.

例如,如果您的租户名称为,则应使用 作为 MX 记录的值。For example, if your tenant name is, you’d use as the value for your MX record.

Skype for Business OnlineSkype for Business Online

CNAME 记录CNAME records

类型Type 主机名Host name 指向 "地址" 或 "值"Points to address or value TTLTTL
CNAMECNAME sipsip 1 小时1 Hour
CNAMECNAME lyncdiscoverlyncdiscover 1 Hour1 Hour

SRV 记录SRV records

类型Type 服务Service 协议Protocol 端口Port 粗细Weight PriorityPriority 名称Name TargetTarget TTLTTL
SRVSRV _sip_sip _eap-tls_tls 443443 11 100100 @ 1 Hour1 Hour
SRVSRV _sipfederationtls_sipfederationtls _rdp-tcp_tcp 50615061 11 100100 @ 1 Hour1 Hour

其他 DNS 记录Additional DNS records


如果您的 DNS 区域中有一个现有的 msoid CNAME 记录,则您必须在此时 删除 dns 中的记录。If you have an existing msoid CNAME record in your DNS zone, you must remove the record from DNS at this time. Msoid 记录与 Microsoft 365 企业版应用程序不兼容 * (以前的 Office 365 专业增强版) * ,将阻止激活成功。The msoid record is incompatible with Microsoft 365 Enterprise Apps (formerly Office 365 ProPlus) and will prevent activation from succeeding.