Tech geek. Life geek.
I just noticed how to set up the DNS record for the Email server on Cloudflare DNS. It should be DNS only. I have my very own Email server, with IP address, a.b.c.d. It is powered by iRedmail. In Cloudflare...
I FOUND THIS POST when I go through the Draft post in the backend of my blog. It was drafted last year when I moved some emails to the IONOS Email system. It is still helpful for the “Email Basic”...
This post is an online archive of the page (http://www.michaelbrumm.com/spfwindowsdns/) How to Add an SPF Record in Windows 2000 and Windows 2003 DNS Step 1: Select and open the domain in which you wish to add the SPF record. Right-click in the...
I installed Centos 5.4 on a PC server. I SSH to it and try to use yum to update the system. But, always give me the error as below
If you have your own email server like me, you may need to know something about SPF record. From the SPF website, I got the following description: SPF fights return-path address forgery and makes it easier to identify spoofs. Domain...
I used DNS Stuff very often. It is a handy tool for network. Such as Reverse DNS lookup, WHOIS Lookup, DNS Report, etc. It changed UI to new look. Web 2.0 like face. Use DNS report, I can easily recognize...
I changed my site’s DNS setting through 1and1 yesterday. The site can not be reached about 1 day average. The same situation I met almost two or three times a year. I browse my site properly last night. I use...