Firstly pardon my lack of knowledge on this. I have two internal domains: domainA.com (users LAN) and domainB.com (legacy servers) We have a website www.domainB.com which is hosted on cloudfront (no internal web servers) We have a CNAME record on the domainB.com side in DNS: www 1234567890cloudfront.net. so that users can be properly redirected to … Read More “Simple Question on CNAME/Website with multiple domains” »

Hello, I have just bought a new domain from google domains, along with gsuite(workplace). I changed the nameservers to my siteground hosting, will this affect my new email on the site? I have updated the MX records but I am not sure if the DKIM and SPF records have updated. Any help would be greatly … Read More “Intro to DNS, MX records, please help” »

I am looking to find and/or compile a comprehensive list of DNS client behaviors, specifically around internal storage behavior, TTL behavior, and DNSSEC implementation and nuances. My motivation for this is primarily around understanding the impact of TTLs and CNAME design will impact load balancer behavior. However, I think it would be incredibly helpful to … Read More “ISO: Comprehensive listing of DNS client behaviors” »

Recently rebooted router (as a good internet user should) and noticed that when I run nslookup, I get all the same results as before with the exception of “Default Server: UnKnown”. Before it would return the router’s name. Any thoughts? submitted by /u/Regular_Contact [link] [comments] Powered by WPeMatico

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Hi, do anyone knows of a DNS/CDN service where I can define my subdomain like app.domain.com and allow my users to create CNAME to map their app.user.com to my app.domain.com to be able to visit app.user.com and login to my app? Basically, ability to do whitelabeling of my app.. submitted by /u/pentag0 [link] [comments] Powered … Read More “Looking for SaaS whitelabel subdomains DNS service” »

https://cujo.com/dns-hijacking-attacks-on-home-routers-in-brazil/ Let me know your comments or feedback on this. submitted by /u/kernelv0id [link] [comments] Powered by WPeMatico

Hi, I have a bit of a pickle here. For deeply historical reasons, I ended up maintaining mail for my stepmother, who is utterly internet-uneducated. The setup is a root-server (which I rent) with an exim on it, that forwards all mail for her domain to one gmail address. My stepmother then checks her mail … Read More “SPF and google Mail” »

Hi, I had my domaine name ex. xxx.com and i did not want use godaddy nameserver so would like to create own nameserver which hosted on my home server ex. (ns1.xxx.com) ex. public ip 100.200.300.400. I googled and tried with something like BIND9 on ubuntu but it is not working (i have no idea maybe … Read More “how to host nameserver for a domaine name ?” »