Why does the RDNS_NONE error occur?

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A

Artyom2015-11-14 15:23:25

Debian

Artyom, 2015-11-14 15:23:25

Why does the RDNS_NONE error occur?

-1.274 RDNS_NONE Delivered to internal network by a host with no rDNS
This might be a false positive, but please check your reverse DNS zone
. I don't understand why. Nobody faced?

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Vladimir, 2015-11-14
@MechanID

rDNS is the same as PTR (reverse write)
check the presence with the command dig -x IPaddress

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