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* We add A records on the public domain DNS zone pointing to each server IP for

I run a private DNS server on a $1 Ionos box and it's been solid for a year. Haven't noticed any downtime at all in my monitoring

Previous IPs: 217.199.103.235, 5.181.158.248 of which neither responds to DNS queries.

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Yes, but as IONOS/1&1 is quite big, and is also used by some people I know for mail/websites/DNS, and as Strato also uses IONOS' ASN, I doubt that the network is that unreliable.

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Maybe the "From:" address should be "myvpsnetworks.com" instead of "clients.myvpsnetworks.com"? The latter does not seem to have a DNS SPF record,

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Can you send me a ticket number if any? It seems like the last few cases on this is caused by DNS issues.

@MannDude

EDIT: But I am currently working on deploying a large PowerDNS based anycast setup, so FreeBSD may be a good choice. The VPN stuff (and pretty much everything else we do, unless it's unsupported) is a

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Yeah so this is what I am doing to add the DNS record which works flawlessly, however plesk doesn't update the template to reflect the change.

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For example, if I monitor http, mail and dns on Host A and Host A does not even respond to ping, there is no need to check and send alerts for all the other services.

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