lwsmd log "looking for DC in domain" every 30 seconds

Hello,

I noticed that every 30 seconds, all of my hypervisors have this in their syslog. "office.local" is our domain.

I presume that there is some issue with DNS records for our AD controller? What should I look for?

2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'OFFICE.LOCAL', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 140
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'OFFICE.LOCAL', site '<null>' with flags 0
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'OFFICE.LOCAL', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 140
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'OFFICE.LOCAL', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 140
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'OFFICE.LOCAL', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 140
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'OFFICE.LOCAL', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 140
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'OFFICE.LOCAL', site '<null>' with flags 0
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'OFFICE.LOCAL', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 140
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'OFFICE.LOCAL', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 140
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'OFFICE.LOCAL', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 140
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'OFFICE.LOCAL', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 140
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'OFFICE.LOCAL', site '<null>' with flags 0
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'OFFICE.LOCAL', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 140
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'OFFICE.LOCAL', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 140
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'OFFICE.LOCAL', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 100
2020-04-03T08:01:24Z lwsmd: [netlogon] Looking for a DC in domain 'office.local', site '<null>' with flags 140

Thank you