_acme-challenge.constructor.okhosting.com has no NS records.
NS records for this zone are defined at okhosting.com.
NS records for this zone are defined at okhosting.com.
Question and response
Question
dig _acme-challenge.constructor.okhosting.com. NS
Answer
The response has no answer records.
Authority
okhosting.com. 60 SOA okhosting.com. soporte\@okhosting.com.okhosting.com. 0 60 60 60 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0