_acme-challenge.cpcalendars.mx-s5.vivawebhost.com has no NS records.
NS records for this zone are defined at vivawebhost.com.
NS records for this zone are defined at vivawebhost.com.
Question and response
Question
dig _acme-challenge.cpcalendars.mx-s5.vivawebhost.com. NS
Answer
The response has no answer records.
Authority
mx-s5.vivawebhost.com. 3760 SOA ns1.vivawebhost.com. root.mx-s5.vivawebhost.com. 2026021700 3600 1800 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0