Hetzner / Cloud & hosting

Hetzner RRSet TTL becomes required (DNS API) breaking change date

When updating the TTL of an RRSet, the value of ttl is no longer optional and must be provided starting on 30 September 2026.

R.I.P.killed 18 days ago
Change
Breaking change
Effective
Sep 30, 2026
Announced
Jul 8, 2026
Replacement
none named; check the source
Source
docs.hetzner.cloud
Vendor's words
Omitted TTL for changing an RRSet's TTL is deprecated. When updating the TTL of an RRSet, the value of ttl is no longer optional and must be provided starting on 30 September 2026. For the endpoint below, the ttl value must be set to the desired TTL, or to null to use the Zone's default TTL. Leaving

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