Zone apex
Start of authority
Email
Serial
2023072471
Refresh
30m
Retry
15m
Expire
21d
Negative cache TTL
15m
Question and response
Question
dig mx.etrn.com. SOA
Answer
mx.etrn.com. 3600 SOA ns1.fmt.etrn.com. hostmaster.etrn.com. 2023072471 1800 900 1814400 900
Authority
mx.etrn.com. 172800 NS ns1.chi1.etrn.com.
mx.etrn.com. 172800 NS ns1.chi3.etrn.com.
mx.etrn.com. 172800 NS ns1.fmt.etrn.com.
mx.etrn.com. 172800 NS ns2.chi1.etrn.com.
mx.etrn.com. 172800 NS ns2.chi3.etrn.com.
mx.etrn.com. 172800 NS ns2.fmt.etrn.com.
mx.etrn.com. 172800 NS ns3.chi3.etrn.com.
Additional
ns1.chi1.etrn.com. 172800 A 204.62.29.253
ns1.chi3.etrn.com. 172800 A 204.62.30.253
ns1.fmt.etrn.com. 172800 A 178.79.145.131
ns2.chi1.etrn.com. 172800 A 45.56.69.153
ns2.chi3.etrn.com. 172800 A 204.62.28.253
ns2.fmt.etrn.com. 172800 A 204.62.31.253
ns3.chi3.etrn.com. 172800 A 174.143.150.29