# CAA SERVFAIL on subdomain

**URL:** <https://community.letsencrypt.org/t/caa-servfail-on-subdomain/45575>\
**Category:** Help\
**Created:** [November 3, 2017, 7:33am UTC](https://community.letsencrypt.org/t/caa-servfail-on-subdomain/45575 "2017-11-03T07:33:46Z")\
**Posts on this page:** 1\
**Showing post:** 12

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**Author:** ![Jan-E](https://avatars.discourse-cdn.com/v4/letter/j/b2d939/32.png) [@Jan-E](https://community.letsencrypt.org/u/Jan-E)\
**Post date:** [November 3, 2017, 1:43pm UTC](https://community.letsencrypt.org/t/caa-servfail-on-subdomain/45575/12 "2017-11-03T13:43:06Z")

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Any idea which version of PowerDNS they are using? If it is \> 4.0.0 We could ask the domain owner if he is able to add a CAA record. Like it is suggested here:

> [@CAA SERVFAIL changes](https://community.letsencrypt.org/t/caa-servfail-changes/38298/2):
>
> N…

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