Amazonon DMARC ( This Google article is also helpful: If you scroll down to the ‘Example records’ section, you’ll see a number of examples on how to write the TXT record. Here’s an example of that record: 3600 IN TXT “v=DMARC1; p=quarantine; pct=5;”

DNS open resolver test

# dig +short TXT @ (IP of the server) Other Information Test your server for an open DNS resolver here: Closing DNS Resolvers on Windows Server 2003/2008/2008 R2: Windows Servers running Plesk: Closing DNS Resolvers on Servers running Bind:

Cannot Contact

Mail for some reason is not delivering to Find your namservers. #cat /etc/resolv.conf nameserver 69.xx.xx.xx nameserver 69.xx.xx.xx – in this case the example is 69.xx.xx.xx $ dig MX @69.xx.xx.xx ; <<>> DiG 9.9.2-P2-RedHat-9.9.2-3.P2.el5 <<>> MX @ ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 19033 ;;…

DNS server fails to start in plesk

Starting the DNS server fails. restarting named shows the following error: service named restart Stopping named: [ OK ] Starting named: Error in named configuration: zone 0.0.127.IN-ADDR.ARPA/IN: loaded serial 20010622 zone loaded serial 1415397236 zone loaded serial 1415411359 zone loaded serial 1415556389 Thats the okay part And then you see this: zone…