Steel_Balls
@Steel_Balls

Certbot не обновляет SSL-сертификаты Let's Encrypt, почему?

Вчера у моего сайта протух SSL-сертификат, а Certbot не хочет его автоматически обновлять
root@765456:~# sudo certbot certificates
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Revocation status for /etc/letsencrypt/live/my_site.com/cert.pem is unknown

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Found the following certs:
  Certificate Name: my_site.com
    Domains: my_site.com www.my_site.com
    Expiry Date: 2024-10-05 13:31:24+00:00 (INVALID: EXPIRED)
    Certificate Path: /etc/letsencrypt/live/my_site.com/fullchain.pem
    Private Key Path: /etc/letsencrypt/live/my_site.com/privkey.pem
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root@765456:~#

Пробую обновить через sudo certbot renew - вылетает по таймауту, Let's Encrypt не может достучаться до сайта, по-видимому, но сам сайт работает, проверял.
root@765456:~# sudo certbot renew
Saving debug log to /var/log/letsencrypt/letsencrypt.log

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Processing /etc/letsencrypt/renewal/my_site.com.conf
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Cert is due for renewal, auto-renewing...
Plugins selected: Authenticator nginx, Installer nginx
Renewing an existing certificate
Performing the following challenges:
http-01 challenge for my_site.com
Waiting for verification...
Cleaning up challenges
Attempting to renew cert (my_site.com) from /etc/letsencrypt/renewal/my_site.com.conf produced an unexpected error: Failed authorization procedure. my_site.com (http-01): urn:ietf:params:acme:error:dns :: During secondary validation: DNS problem: query timed out looking up CAA for my_site.com. Skipping.
All renewal attempts failed. The following certs could not be renewed:
  /etc/letsencrypt/live/my_site.com/fullchain.pem (failure)

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All renewal attempts failed. The following certs could not be renewed:
  /etc/letsencrypt/live/my_site.com/fullchain.pem (failure)
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1 renew failure(s), 0 parse failure(s)

IMPORTANT NOTES:
 - The following errors were reported by the server:

   Domain: my_site.com
   Type:   None
   Detail: During secondary validation: DNS problem: query timed out
   looking up CAA for my_site.com
root@765456:~#

Порты 80, 443 на сервере открыты
root@765456:~# sudo ufw status
Status: active
To                         Action      From
--                         ------      ----
80/tcp                     ALLOW       Anywhere
22/tcp                     ALLOW       Anywhere
443/tcp                    ALLOW       Anywhere
80/tcp (v6)                ALLOW       Anywhere (v6)
22/tcp (v6)                ALLOW       Anywhere (v6)
443/tcp (v6)               ALLOW       Anywhere (v6)


Проверяю доступность DNS:
root@765456:~# dig ns my_site.com +short
ns2.simplecloud.club.
ns1.simplecloud.club.
root@765456:~#

root@765456:~# dig caa my_site.com +trace

; <<>> DiG 9.10.3-P4-Ubuntu <<>> caa my_site.com +trace
;; global options: +cmd
;; Received 28 bytes from 8.8.8.8#53(8.8.8.8) in 20 ms
root@765456:~#

Всё отвечает быстро и выглядит доступным
root@765456:~# dig my_site.com

; <<>> DiG 9.10.3-P4-Ubuntu <<>> my_site.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 49218
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;my_site.com.                  IN      A

;; ANSWER SECTION:
my_site.com.           60      IN      A       222.333.444.555

;; Query time: 52 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Sun Oct 06 11:56:51 UTC 2024
;; MSG SIZE  rcvd: 57

root@148505:~# dig caa my_site.com

; <<>> DiG 9.10.3-P4-Ubuntu <<>> caa my_site.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 22341
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;my_site.com.                  IN      CAA

;; AUTHORITY SECTION:
my_site.com.           60      IN      SOA     ns1.simplecloud.ru. user.mail.ru. 1636476001 600 60 86400 60

;; Query time: 88 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Sun Oct 06 11:56:52 UTC 2024
;; MSG SIZE  rcvd: 112
root@765456:~#


Кто сталкивался с подобным? В чём может быть проблема? Куда копать?

P.S. у меня есть предположение, что Nginx редиректит все запросы с 80 порта на 443 и поэтому директория .well-known/acme-challengeнедоступна извне
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