ネームサーバの変更によるApache・SSL認証への影響について

前提・実現したいこと

Apacheの起動

ムームードメインからさくらVPSへネームサーバを変更したところ、
SSL認証によるエラーが生じ、Apacheが起動しません。

ネームサーバの変更によりApacheやSSL認証に影響を及ぼすのでしょうか？

発生している問題・エラーメッセージ

######＜Apacheを起動＞

[root@ホスト名 httpd]# systemctl start httpd
Job for httpd.service failed because the control process exited with error code. See "systemctl status httpd.service" and "journalctl -xe" for details.

######＜Apacheのステータスを確認＞

[root@ホスト名 httpd]# systemctl status httpd
* httpd.service - The Apache HTTP Server
   Loaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: disabled)
   Active: failed (Result: exit-code) since Mon 2018-02-19 11:08:12 JST; 13min ago
     Docs: man:httpd(8)
           man:apachectl(8)
  Process: 2841 ExecStop=/bin/kill -WINCH ${MAINPID} (code=exited, status=1/FAILURE)
  Process: 2839 ExecStart=/usr/sbin/httpd $OPTIONS -DFOREGROUND (code=exited, status=1/FAILURE)
 Main PID: 2839 (code=exited, status=1/FAILURE)

Feb 19 11:08:12 tk2-408-45156.vs.sakura.ne.jp systemd[1]: Starting The Apache HTTP Server...
Feb 19 11:08:12 tk2-408-45156.vs.sakura.ne.jp systemd[1]: httpd.service: main process exited, code=exited, status=1/FAILURE
Feb 19 11:08:12 tk2-408-45156.vs.sakura.ne.jp kill[2841]: kill: cannot find process ""
Feb 19 11:08:12 tk2-408-45156.vs.sakura.ne.jp systemd[1]: httpd.service: control process exited, code=exited status=1
Feb 19 11:08:12 tk2-408-45156.vs.sakura.ne.jp systemd[1]: Failed to start The Apache HTTP Server.
Feb 19 11:08:12 tk2-408-45156.vs.sakura.ne.jp systemd[1]: Unit httpd.service entered failed state.
Feb 19 11:08:12 tk2-408-45156.vs.sakura.ne.jp systemd[1]: httpd.service failed.

＜Apacheのアクセスログ＞

[root@ホスト名 ~]# vim /etc/log/httpd/access_log 
[Mon Feb 19 11:08:12.778075 2018] [ssl:emerg] [pid 2839] AH02311: Fatal error initialising mod_ssl, exiting. See /etc/httpd/logs/ssl_error_log for more information

＜SSLのエラーログ＞

[root@ホスト名 ~]# vim /etc/log/httpd/ssl_error_log 
Mon Feb 19 14:00:11.484581 2018] [ssl:emerg] [pid 5582] SSL Library Error: error:0B080074:x509 certificate routines:X509_check_private_key:key values mismatch