Author: firstdns

I’m asking in general terms, no specifics on any platform, but how do you configure a Secondary DNS Server? Do I need the same SOA on Secondary DNS, as Primary? Also does the Primary DNS include the nameservers of Secondary? or do I only need to add the Primary nameservers to the Secondary? Let’s pretend … Read More “How do you configure a Secondary DNS Server?” »

submitted by /u/unixbhaskar [link] [comments] Powered by WPeMatico

Greetings! If this has been posted elsewhere, please forgive me — I was unable to find it. I’m looking in to how to subdelegate rDNS authority from a /32 IPv6 (authoritative) for a customers /48 (their nameservers) Google’ing pointed me in the direction that I *might* be able to simply add the trailing nibble to … Read More “IPv6 rDNS subdelelgation” »

Two years! https://en.wikipedia.org/wiki/2016_Dyn_cyberattack submitted by /u/NadavTasher [link] [comments] Powered by WPeMatico

Investigating Constellix https://constellix.com/ as a possible DNS replacement. Has anyone used it? submitted by /u/LFIT [link] [comments] Powered by WPeMatico

submitted by /u/jasonbadman [link] [comments] Powered by WPeMatico

I keep reading about the combination of the reversed IP ie 1.16.172-IN-ADDR.ARPA in combination with the PTR record, in which the host bits are listed to complete the 4 octets of the address for which the reverse lookup will be possible. I was wondering what would be the case if the particular hostname being referenced … Read More “Reverse Zone file” »

On a computer if I do a lookup of “A.com” I get 1.1.1.1 and if I do a lookup of “B.com” I get 1.1.1.1. When I do a lookup of “1.1.1.1” I get “B.com”. I can’t change the DNS servers on the PC, how do I tell my PC to use “A.com” over “B.com” when … Read More “Multiple forward DNS and reverse DNS picking the wrong one.” »

submitted by /u/sebdeckers [link] [comments] Powered by WPeMatico

submitted by /u/yourbasicgeek [link] [comments] Powered by WPeMatico