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Tag: dns

Posted on January 22, 2024 L.A.M.P.

Email server DNS settings with Cloudflare

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...

Posted on June 8, 2023June 8, 2023 L.A.M.P. Web & Network

Add SPF and DMARC record to DNS

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”...

Posted on May 23, 2019September 9, 2019 Web & Network

How to Add an SPF Record in Windows 2000 and Windows 2003 DNS

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...

Posted on March 31, 2010November 21, 2018 L.A.M.P.

Centos Temporary failure in name resolution.

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

Posted on November 23, 2006May 23, 2019 Web & Network

SPF record for your Email server

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...

Posted on November 23, 2006February 13, 2014 Web & Network

New look of DNS Stuff

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...

Posted on August 31, 2006March 19, 2019 Web & Network

DNS update : Shaw vs. Telus

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...

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