--- Client ---
=== sssd ===
Version : 1.16.2
Release : 13.el7_6.8
Repo : installed
=== ipa-server ===
Version : 4.6.4
Release : 10.el7.centos.6
Repo : updates/7/x86_64
=== ipa-client ===
Version : 4.6.4
Release : 10.el7.centos.6
Repo : installed
--- Server ---
=== sssd ===
Version : 1.16.2
Release : 13.el7_6.8
Repo : installed
=== ipa-server ===
Version : 4.6.4
Release : 10.el7.centos.3
Repo : installed
=== ipa-client ===
Version : 4.6.4
Release : 10.el7.centos.3
Repo : installed
Apparently on the server...
[root@ipa data]# tail -n 0 -f named.run
03-Aug-2019 02:04:46.888 client 2605:e000:1127:713::7#41778/key admin\(a)NEVERLAND.DDNS.ME:
updating zone 'neverland.ddns.me/IN': update failed: rejected by secure update
(REFUSED)
03-Aug-2019 02:04:46.932 client 2605:e000:1127:713::7#36265/key admin\(a)NEVERLAND.DDNS.ME:
updating zone 'neverland.ddns.me/IN': update failed: rejected by secure update
(REFUSED)
03-Aug-2019 02:04:46.977 client 2605:e000:1127:713::7#49845/key admin\(a)NEVERLAND.DDNS.ME:
updating zone 'neverland.ddns.me/IN': update failed: rejected by secure update
(REFUSED)
03-Aug-2019 02:04:47.021 client 2605:e000:1127:713::7#60462/key admin\(a)NEVERLAND.DDNS.ME:
updating zone 'neverland.ddns.me/IN': update failed: rejected by secure update
(REFUSED)