--- title: "no TTL specified - using SOA MINTTL instead error" slug: "aa-00303" description: "This is a warning that your zone file is malformed." tags: ["zone files", "zonefiles", "errors", "logs", "bind 9"] updated: 2018-09-27T21:42:52Z published: 2018-09-27T21:42:52Z canonical: "kb.isc.org/aa-00303" stale: true --- > ## Documentation Index > Fetch the complete documentation index at: https://kb.isc.org/llms.txt > Use this file to discover all available pages before exploring further. # Why does named log the warning message "no TTL specified - using SOA MINTTL instead"? Your zone file is illegal according to RFC1035. It must either have a line like: ``` $TTL 86400 ``` at the beginning, or the first record in it must have a TTL field, like the "84600" in this example: ``` example.com. 86400 IN SOA ns hostmaster ( 1 3600 1800 1814400 3600 ) ```