Manage/Auth system down?

Having trouble resolving the IP address for management pages currently:

DNS_PROBE_FINISHED_NXDOMAIN

root@sam:~# host manage.ntppool.org
Host manage.ntppool.org not found: 2(SERVFAIL)

root@sam:~# host ntppool.org
ntppool.org has address 147.75.38.240

root@sam:~# host manage.ntppool.org 2001:8b0::2021
Using domain server:
Name: 2001:8b0::2021
Address: 2001:8b0::2021#53
Aliases:

Host manage.ntppool.org not found: 2(SERVFAIL)

root@sam:~# host manage.ntppool.org 217.169.20.20
Using domain server:
Name: 217.169.20.20
Address: 217.169.20.20#53
Aliases:

Host manage.ntppool.org not found: 2(SERVFAIL)

root@sam:~# host manage.ntppool.org 9.9.9.9
Using domain server:
Name: 9.9.9.9
Address: 9.9.9.9#53
Aliases:

manage.ntppool.org is an alias for ewrlb.develooper.com.
ewrlb.develooper.com has address 147.75.38.240
Host ewrlb.develooper.com not found: 2(SERVFAIL)

Only Google seems to have it:

root@sam:~# host manage.ntppool.org 8.8.8.8
Using domain server:
Name: 8.8.8.8
Address: 8.8.8.8#53
Aliases:

manage.ntppool.org is an alias for ewrlb.develooper.com.
ewrlb.develooper.com has address 147.75.38.240

Going to https://147.75.38.240/manage gives “default backend - 404” once past the certificate errors.