Static monitor status is UNKNOWN. When the database state is OPEN, READY is dynamically monitor; NOMOUNT when the state of the database is, the dynamic listening state is BLOCKED.
LSNRCTL> status
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.10.65)(PORT=1521)))
STATUS of the LISTENER
------------------------
Alias LISTENER
Version TNSLSNR for Linux: Version 11.2.0.4.0 - Production
Start Date 02-DEC-2019 00:35:47
Uptime 0 days 6 hr. 20 min. 52 sec
Trace Level off
Security ON: Local OS Authentication
SNMP OFF
Listener Parameter File /u01/app/oracle/product/11.2.0/dbhome_1/network/admin/listener.ora
Listener Log File /u01/app/oracle/diag/tnslsnr/localhost/listener/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.10.65)(PORT=1521)))
Services Summary...
Service "his" has 2 instance(s).
Instance "his", status UNKNOWN, has 1 handler(s) for this service...
Instance "his", status BLOCKED, has 1 handler(s) for this service...
Service "hisdb" has 1 instance(s).
Instance "his", status BLOCKED, has 1 handler(s) for this service...
The command completed successfully