Библиотека статей по DevOps и SRE для специалистов.
Библиотека статей по DevOps и SRE для специалистов.
Собрание статей по темам DevOps и Site Reliability Engineering. Глубокий анализ практик и инструментов для профессионалов.
SPF Record Syntax: Mechanisms, Qualifiers, Modifiers, and Macros This page is the full reference: every mechanism, every qualifier, both modifiers, the complete macro table, evaluation order, DNS lookup limits, and record placement rules — each with the RFC 7208 section that defines it. Ссылка скрыта
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