May 31 2016

Get SPF/TXT using the DIG command

Getting a TXT or an SPF record helps for you to see and verify if you’ve set up your Sender Policy Framework (SPF) record or if you have any unformatted TeXT record set. TXT’s are a great place to place your SPF value so that older servers, that are updated to look for SPF Records can use what they always used in the past. TXT is also used for other services like DomainKeys, LDap records, etc.

For setting up the SPF record, it’s recommended to set both a TXT and SPF record with the same value. That knocks out both old and current servers to get the needed record.

# dig txt diyserver.guide

; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.37.rc1.el6_7.7 <<>> txt diyserver.guide
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 52076
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;diyserver.guide. IN TXT

# dig spf diyserver.guide

; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.37.rc1.el6_7.7 <<>> spf diyserver.guide
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 49309
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;diyserver.guide. IN SPF


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Posted May 31, 2016 by Timothy G in category "Admin Tools

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