Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator manual, Installer None
Obtaining a new certificate
Performing the following challenges:
dns-01 challenge for ドメイン名

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NOTE: The IP of this machine will be publicly logged as having requested this
certificate. If you're running certbot in manual mode on a machine that is not
your server, please ensure you're okay with that.

Are you OK with your IP being logged?  <-- IPアドレスの記録をしても良いかの確認。
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(Y)es/(N)o: y

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Please deploy a DNS TXT record under the name
_acme-challenge.ドメイン名 with the following value:

ここにTXTレコードに必要な値が表示される。この状態でDNSのTXTレコードに登録。

Before continuing, verify the record is deployed.
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Press Enter to Continue
Waiting for verification...
Cleaning up challenges

IMPORTANT NOTES:
 - Congratulations! Your certificate and chain have been saved at:
   /etc/letsencrypt/live/ドメイン名/fullchain.pem
   Your key file has been saved at:
   /etc/letsencrypt/live/ドメイン名/privkey.pem
   Your cert will expire on 2020-10-27. To obtain a new or tweaked
   version of this certificate in the future, simply run certbot-auto
   again. To non-interactively renew *all* of your certificates, run
   "certbot-auto renew"
 - If you like Certbot, please consider supporting our work by:

   Donating to ISRG / Let's Encrypt:   https://letsencrypt.org/donate
   Donating to EFF:                    https://eff.org/donate-le