I was changing some entries in our DNS records yesterday, and realized that the company handling our DNS-records, dont handle the reverse dns lookups.
I can see that several of reverse dns records are wrong, and some domains dont even have a reverse dns record.
How can I find out who is handling our reverse dns? Does it exist a tool that can find out where the dns answer originally comes from?
I've written instructions for one router type, but this principle may be useful for others of the same brand and even other brands of router.
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