1:32
DevOps & SysAdmins: How to deploy separate DNS server for email filtering?
Roel Van de Paar
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Mail server DNS records - setup and configuration explained
Christian Lempa
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DevOps & SysAdmins: Reverse DNS and mail delivery (550 4.4.7) (5 Solutions!!)
Roel Van de Paar
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DevOps & SysAdmins: only SOA on own DNS server; other RR on third DNS servers
Roel Van de Paar
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2:09
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DevOps & SysAdmins: Email authentication without modifying DNS records
Roel Van de Paar
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1:31
DevOps & SysAdmins: Reverse DNS does not contain the hostname
Roel Van de Paar
67 views
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1:25
DevOps & SysAdmins: Google indexes both Amazon public dns and elastic ip
Roel Van de Paar
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2:41
DevOps & SysAdmins: Google Cloud DNS - What does the PTR record actually do?
Roel Van de Paar
53 views
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