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1answer
29 views

Is it needed to use local DNS cacher in EC2 / VPC?

Seems like AWS internal DNS is already a very low latency one, e.g. On ec2 dig google.com | grep "Query time" ;; Query time: 0 msec So do we really need to use another DNS cacher?
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0answers
182 views

Odd DNS behavior on multiple Ubuntu 12.04 VMs. NSlookup and Dig resolves hostname but ping cannot

In attempting to set up a VoIP server, I came across some interesting behavior from Ubuntu. My VoIP account was assigned a unique hostname that I am to connect to, however, Ubuntu is unable to ...
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votes
2answers
3k views

Authoritative DNS will not respond to pings or digs on domain

I am making an Authoritative DNS for a new site. The site responds nicely to all pings and most digs on its IP address, however rejects anything to its domain name. I would presume this is due to a ...