I setup a simple forwarding DNS server on Digital Ocean using bind. The goal was to use this server to block ads with a hosts file because we use a lot of different devices that don’t have that functionality. I went to someonewhocares.org and got the hosts file and put the contents into /etc/hosts. Now, … Read More “How to use ad-blocking hosts file for DNS server” »

I need the functionality of a SmartDNS, I’m pretty savvy as far as Linux administration. I’ve setup DNS servers before. Here’s the basic problem I have: need some requests (ie: usa-only.com) to be routed through my USA based IP address need some requests to be routed through my European IP address What’s the easiest way … Read More “How do I build my own SmartDNS?” »

Hey guys, I have a webserver running at home and a domain at gandi.net. Unfortunately, gandi.net does not provide DDNS. I am using duckdns.org to update my IP address. I managed to set up the zone file at gandi to direct the subdomain www.example.com to my duckdns.org and therefore to my webserver. I did this … Read More “Need help with DNS Zone file and dynamic DNS” »

I cannot afford VPN service at the moment so what I’m looking to set up is a third-party DNS resolver compatible with DNSCrypt and DNSSEC and does not log users. I tried looking for a guide on how to set up DNSSEC but couldn’t find any–only ones were for those who are hosting sites or … Read More “[noob]How to enable DNSSEC?” »

Hello, I’ve run my domain through www.dnsinspect.com and everything is ok except for the SOA Mname. I am not sure what they’re asking for, and it seems like Mname is either out-dated or in use only when using DDNS (DHCP + DNS Updating, I believe). Do I need an Mname record if I’m not using … Read More “DNSInspect – Warning on SOA MNAME” »

We have a website domain.co.kr and it uses dnsmadeeasy DNS service. There were three DNS servers to be updated at the registrar ns10.dnsmadeeasy.com ns11.dnsmadeeasy.com and ns12.dnsmadeeasy.com But the registrar made a mistake and updated second server as ns11.dnsmadeeasy.co (note the missing “m”). Now dnsmadeeasy.co is owned by some shady company and that killed our website, … Read More “[xpost-netsec] Strange DNS Propagation issue, 6 days and counting” »

Hey, /r/dns. I submitted this question to /r/techsupport, but this might be a better place for it. I volunteer for a nonprofit with a domain registered through Wix. I have been trying to set up SPF and DKIM verification with Google Apps, MailChimp, and Mandrill to keep our emails out of people’s spam folders. DKIM … Read More “Trouble setting up SPF” »

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Suppose the glue records of a zone contain ip1, ip2, ip3, ip4, and the NS records contain ip3, ip4, ip5, ip6. So, Which ip set a resolver will use? I have read rfc1034 and rfc1035, but didn’t get any answer. edit: rfc1304 -> rfc1034, 1305 -> 1035 submitted by lgx [link] [8 comments] Powered by … Read More “How a resolver choose NS server to query?” »

Hello! Not sure if this is the right sub for this, but i’m working on a program that needs a bunch of clients to find each other, so I wanted to programmatically create subdomains on a namecheap.com domain and have a hash be a subdomain so clients can find each other with a unique id, … Read More “Can I Programmatically Create New Subdomains With Something Like namecheap.com?” »