[Pdns-users] BIND-Zonefiles: @ vs blank

Bjoern Franke bjo at schafweide.org
Thu Aug 8 13:01:01 UTC 2019


we have a zonefile which got recently added TXT entries for SPF and DMARC:

_dmarc		IN	TXT	"v=DMARC1; p=none; rua=mailto:foo"
                IN      MX      10 mx.domain.tld.
		IN	TXT	"v=spf1 include:spf1.domain.tld ?all"

Since then, requests for the MX record were not answered any more,
adding a @ fixed it.

I'm wondering now why this happens, as in other zonefiles without TXT
records the blank substitution works.

Kind regards

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