o1.sg.ziplyfiber.com has no NS records.
NS records for this zone are defined at ziplyfiber.com.
NS records for this zone are defined at ziplyfiber.com.
Question and response
Question
dig o1.sg.ziplyfiber.com. NS
Answer
The response has no answer records.
Authority
ziplyfiber.com. 1800 SOA cass.ns.cloudflare.com. dns.cloudflare.com. 2397738592 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0