DNSSEC Negative Trust Anchor report

We have had a couple of requests for a log message warning that an NTA has just expired. The use case is, there is a help desk that needs to know when validation might be failing because of an NTA that was just removed. Anyway, in response, Evan wrote a Python script that takes the output of rnd

Re: [SOLVED] My Exchange server is now able to send email to httpd.apache.org domain after I added SPF TXT record to my DNS server

On 14.08.18 07:50, Lyle Giese wrote: The reverse lookup for 118.189.211.120 does not match your HELO greeting this does not matter much. The HELO string exchange.teo-en-ming.com does exist, which is good. and does not match the A record for exchange.teo-en-ming.com. neither does this one.

Re: [SOLVED] My Exchange server is now able to send email to httpd.apache.org domain after I added SPF TXT record to my DNS server

The reverse lookup for 118.189.211.120 does not match your HELO greeting and does not match the A record for exchange.teo-en-ming.com.  Get your upstream ISP to fix that. Lyle Giese LCR Computer Services, Inc. On 8/13/2018 8:28 PM, Turritopsis Dohrnii Teo En Ming wrote: Good morning from Sing