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Month: August 2024

Nameservers vs. NS Record – UK2 & Bluehost

Posted on 08/05/2024 By firstdns
Non classé

Hi there, so I’m trying to get my small business domain pointed to my hosting site in the cleanest way and looking for some advice/best practice. My domain is held on UK2 who is my registrar – I have already set up email services using TXT/MX records. However, my hosting provider (Bluehost) is saying that … Read More “Nameservers vs. NS Record – UK2 & Bluehost” »

Stuck with custom domain setting for my web app

Posted on 08/04/2024 By firstdns
Non classé

Hello experts! I have a domain, let say mysideproject.com. I bought the domain from GoDaddy but eventually started managing it on Cloudflare. I have a static frontend and used Github to deploy the html/css assets. So Github gave me some records (A and AAAA) and after adding those (A and AAAA) to my Cloudflare DNS … Read More “Stuck with custom domain setting for my web app” »

Google DNS is Free not Public?

Posted on 08/02/2024 By firstdns
Non classé

So technically google DNS is not free, it’s PUBLIC. That means that if you say it’s yourself and then go to yourself, you say yes and google saw you say yes, so i caches itself. So if someone else uses google DNS, you are right. Free? No, public, because if someone happens to buy it… … Read More “Google DNS is Free not Public?” »

Question about CNAME DNS records

Posted on 08/02/2024 By firstdns
Non classé

So I am a sysadmin in my company and was finding something strange on our domain dns records. So I found out that we have at least 4 records for different subdomains welcome.mycompany.com training.mycompany.com billing.mycompany.com all pointing to one url. There are records forwarding all that traffic to production.mycompany.com wich is an aws instance. I … Read More “Question about CNAME DNS records” »

Why would a DNS tunneler use TXT records to transfer information when it can use other less suspicious types of RRs such as A/AAAA/CNAME?

Posted on 08/01/2024 By firstdns
Non classé

I know it sounds stupid and I know that you can write 255 characters in a single txt record but is that the only reason for attackers to use it when they can just encode the same characters in multiple RRs of the types I mentioned above placed at the additional field or sent over … Read More “Why would a DNS tunneler use TXT records to transfer information when it can use other less suspicious types of RRs such as A/AAAA/CNAME?” »

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