Browser IP failover?
jroza1 asked: I hve read a bunch of the answers here and most of them are dealing with round-robin DNS (RR DNS), but I have a different question. If at …
SPF errors when sending emails
Branislav B. asked: I setup a mail server on mail.mydomain.com. I am able to receive email. Problem occurs when i try to send an email. I have two servers: mail.mydomain.com …
domain name system – rDNS is not exist
Robert Jones asked: I need some help with Reverse DNS as I have got a problem with it. I have setup rDNS on my hosting provider which I use rdns1.example.com …
MX record pointing at apex domain
match asked: I’m currently playing around doing some development on an all-in-one box which is hosting web and mail services (among others), and I have a DNS question I can’t …
MX record pointing to A record with two different IP's
Bruno Tavares asked: So my problem is simple I just need a solid answer so that I don’t break the email service. I have two servers one for mail and …
curl resolves all non-SSL URLs to 127.0.0.1 and port 8080
jotadepicas asked: I’m executing curl and no matter what URL I point it to, it always tries to connect to 127.0.0.1 and port 8080: $ curl -v http://asdfsafzsdfsdf/ * Trying …
Postfix not resolving MX record
pdna asked: Log to=<[email protected]>, relay=none, delay=21311, delays=21301/0.04/10/0, dsn=4.4.3, status=deferred (Host or domain name not found. Name service error for name=localdomain type=MX: Host not found OS: FreeBSD When I run the …
GSuite: "There should not be a mail exchanger set up on naked domain name"
Primož Kralj asked: I checked my domain name with GSuite’s MX tool to find out why our email gets to Spam folders, and have resolved the main issues (SPF and …
Bind – Resolve two domains with a single server
NeXorek asked: I need a bit of help with BIND (Centos 7.5) Bit of a back story: We are running two domains on the network. One called company.domain.com and one …
DNS A record with https:// in the label
Binky asked: I recently encountered for the first time an A record of the form: https://www.example.com. <TTL> IN A <IP address> As far as I know, this record is deliberate …