Dear community, we are currently considering adjusting our name resolution on our central MTAs and I would like to gather some opinions. Background: We are currently using root DNS server and due to DNS timeouts on DKIM lookups, DMARC validation fails and we get many false positives. Manufacturer (Cisco) recommended adding dedicated dns server for … Read More “Recommended DNS setup for MTA / DKIM lookups timeout” »

Hello, I bought a domain which I want to host from my home. Problem is I have a dynamic IP. Now, my provider is offering free DDNS service which I already have activated. On the registrar the bought domain is forwarded to the DDNS hostname, which of course isn’t what I want… ​ Question is, … Read More “Webserver at home with dynamic IP” »

I really need a good DNS server for the Nashville Tennessee area for my ps4 any good servers? submitted by /u/Heartstop56 [link] [comments] Powered by WPeMatico

I have pihole running in a docker container and want to implement DNS encryption to bypass the DNS filtering that my stupid ISP is implementing in our country when using DNS Resolver (unbound). I know how the three encryption mechanisms work but I don’t know which one of them is best in this day and … Read More “pihole with DoT, DoH, or DNSCrypt” »

submitted by /u/bilz214 [link] [comments] Powered by WPeMatico

any suggestion on which to use? thanks submitted by /u/fbrichs [link] [comments] Powered by WPeMatico

I have deployed an app on kubrrnetes cluster with external IP. Now instead of accessing it via IP address I wanted some domain to redirect to it instead. So i registered a domain on “.tech”. There I went into options and created A record that points to my IP address. Works fine this way. But … Read More “Cloud DNS vs domain” »

I am struggling to get an issue resolved that Microsoft says is GoDaddy’s issue, while GoDaddy says it’s Microsoft’s issue (so typical of support). The issue is that GoDaddy says that they don’t support a PTR record in their DNS management, and that the owner of the IP address/Email service must create the PTR record. … Read More “Looking for help! Exchange Online and PTR Records on GoDaddy” »

I’ve narrowed the issue down to this captured packet (names/addresses obfuscated). “25”,”3.173048″,”192.168.150.50“,”172.169.205.44“,”DNS”,”187″,”Standard query response 0x0002 No such name A ibmbitest2.dev.contoso.lan CNAME ibmbitest.test.contoso.lan SOA dvbigipdns01-ns.dev.contoso.lan” The client is using the F5 (test.contoso.lan) to resolve DNS The record it’s asking for is from a dev DNS Sever (dev.contoso.lan) The record is a CNAME from ibmtest2.dev.contoso.lan to ibmbitest.test.contoso.lan … Read More “F5 failing to lookup address because recursive queries are disabled?” »

Hi, i’m setting QUAD9 DNS, but i need some infout the EDNS Client Subnet. Do you suggest to enable or stay with default address that don’t use it? Before the switch to QUAD9 i’m using Google DNS that support them, after that switch to CloudFlare that don’t support it (only for convenicence?) But in conclusion, … Read More “EDNS Client-Subnet: Do you suggest it or not?” »