Problem with OnlyOffice and Nextcloud connection

Problem with OnlyOffice and Nextcloud connection

Error:
An error occurs when trying to connect:
“Error in the document service: Error while downloading the document file to be converted.” (version 8.2.2.22)

Configuration:

  1. Virtual machine running Nextcloud
  2. Virtual machine running OnlyOffice in Docker

Nextcloud Configuration

php

<?php
$CONFIG = array (
  'instanceid' => 'occp7l621xz7',
  'passwordsalt' => '0Au9nNOBmHvsHHo1T7GOVOrX5eQ/WD',
  'secret' => 'om2swIA9vb7jCDsj6VAKCK6+UNBzMwx/6d4MjtTUAR+T/M3y',
  'trusted_domains' =>
  array (
    0 => '10.1.2.71',
    1 => 'cloud.domen.com',
    2 => 'of.domen.com',
  ),
  'datadirectory' => '/var/www/nextcloud/data',
  'dbtype' => 'mysql',
  'version' => '30.0.0.14',
  'overwrite.cli.url' => 'https://my.domen.com',
  'dbname' => 'nextcloud',
  'dbhost' => 'localhost:3306',
  'dbport' => '',
  'dbtableprefix' => 'oc_',
  'mysql.utf8mb4' => true,
  'dbuser' => 'nextcloud_adm',
  'dbpassword' => 'pass',
  'installed' => true,
  'ldapProviderFactory' => 'OCA\\User_LDAP\\LDAPProviderFactory',
  'mail_smtpmode' => 'smtp',
  'mail_smtpauth' => 1,
  'mail_sendmailmode' => 'smtp',
  'mail_from_address' => 'maintenance',
  'mail_domain' => 'domen.com,
  'mail_smtphost' => 'smtp.domen.com',
  'mail_smtpport' => '465',
  'mail_smtpname' => 'maintenance@domen.com,
  'mail_smtppassword' => '3OuZQ1pHUQAec4bDgb6h',
  'mail_smtpsecure' => 'ssl',
  'config_is_read_only' => true,
  'maintenance_window_start' => 1,
  'onlyoffice' => array (
  'jwt_header' => 'AuthorizationJwt'
  ),
);

OnlyOffice Configuration

json

{
  "services": {
    "CoAuthoring": {
      "sql": {
        "type": "postgres",
        "dbHost": "localhost",
        "dbPort": "5432",
        "dbName": "onlyoffice",
        "dbUser": "onlyoffice",
        "dbPass": "onlyoffice"
      },
      "token": {
        "enable": {
          "request": {
            "inbox": false,
            "outbox": false
          },
          "browser": true
        },
        "inbox": {
          "header": "AuthorizationJwt",
          "inBody": false
        },
        "outbox": {
          "header": "AuthorizationJwt",
          "inBody": false
        }
      },
      "secret": {
        "inbox": {
          "string": "oboQ4uQHCysJ041SwmthSTslhOqjBY93",
          "enable": true
        },
        "outbox": {
          "string": "oboQ4uQHCysJ041SwmthSTslhOqjBY93",
          "enable": true
        },
        "session": {
          "string": "oboQ4uQHCysJ041SwmthSTslhOqjBY93",
          "enable": true
        }
      }
    }
  }
}

Change in default.json:
"rejectUnauthorized": false

Docker Run Command:

sudo docker run -i -t -d \
  --name onlyoffice-documentserver \
  --restart unless-stopped \
  -p 8080:80 \
  -p 9443:443 \
  -v /etc/ssl/onlyoffice:/etc/onlyoffice/ssl \
  -e SSL_CERTIFICATE_PATH="/etc/onlyoffice/ssl/fullchain.pem" \
  -e SSL_KEY_PATH="/etc/onlyoffice/ssl/priv.key" \
  -e SSL_ENABLED=true \
  -e JWT_ENABLED=true \
  -e ONLYOFFICE_SERVER_HOSTNAME="my.domen.com" \
  onlyoffice/documentserver

Hello, please redact your secrets from the configuration files.

The secret codes are the same, why change them?

Hello @dmitry.polenov

@artens advises to remove JWT secret keys from the info for security reasons.


Have you checked logs of Document Server after attempting to connect Document Server? Logs are located inside the container with Document Server in /var/log/onlyoffice/documentserver directory. You should check converter/out.log right after saving settings in the connector app and getting an error. Do you see any [ERROR] entries?

The test project is not so scary to show the keys, but thank you for mentioning it!

root@ff90047d7d3a:/# cat /var/log/onlyoffice/documentserver/converter/out.log
[2025-02-05T08:36:37.296] [ERROR] [localhost] [3897381157] [userId] nodeJS - dnsLookup error: hostname = of.domen.ru Error: getaddrinfo ENOTFOUND of.domen.ru
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:71:26)
[2025-02-05T08:36:37.300] [ERROR] [localhost] [3897381157] [userId] nodeJS - checkIpFilter error:url=https://of.domen.ru/index.php/apps/onlyoffice/download?doc=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY3Rpb24iOiJkb3dubG9hZCIsImZpbGVJZCI6MjQyMTg4LCJ1c2VySWQiOiI1Mzg0OEMxMi02NzIxLTRDNkYtQkNEQy1GMzkxQzIwQjY4RkUifQ.4brmATzkq9q4gCNc-z8srKV-YopTNTpZwvLJuvfvIP8;code:403;
[2025-02-05T08:36:39.278] [ERROR] [localhost] [641064806] [userId] nodeJS - dnsLookup error: hostname = of.domen.ru Error: getaddrinfo ENOTFOUND of.domen.ru
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:71:26)
[2025-02-05T08:36:39.281] [ERROR] [localhost] [641064806] [userId] nodeJS - checkIpFilter error:url=https://of.domen.ru/index.php/apps/onlyoffice/download?doc=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY3Rpb24iOiJkb3dubG9hZCIsImZpbGVJZCI6MTk0NTI1LCJ1c2VySWQiOiI1Mzg0OEMxMi02NzIxLTRDNkYtQkNEQy1GMzkxQzIwQjY4RkUifQ.b3E59ISD3w3gEo-ulFm4O7-3WnJ471I654YvRIIxAdg;code:403;
[2025-02-05T08:50:30.552] [ERROR] [localhost] [1878506959] [userId] nodeJS - dnsLookup error: hostname = of.domen.ru Error: getaddrinfo ENOTFOUND of.domen.ru
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:71:26)
[2025-02-05T08:50:30.553] [ERROR] [localhost] [1878506959] [userId] nodeJS - checkIpFilter error:url=https://of.domen.ru/index.php/apps/onlyoffice/download?doc=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY3Rpb24iOiJkb3dubG9hZCIsImZpbGVJZCI6MjEwMTI2LCJ1c2VySWQiOiI3OEZFOUQyRi02MTM5LTQ3MTItOEEyRC1BMzE5M0NGRkMwM0MifQ.5l8pwhEoNla8gYF5ytQrVm2oMqeEScL8rVwv-HBFf_Y;code:403;
[2025-02-05T08:50:30.618] [ERROR] [localhost] [507536819] [userId] nodeJS - dnsLookup error: hostname = of.domen.ru Error: getaddrinfo ENOTFOUND of.domen.ru
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:71:26)
[2025-02-05T08:50:30.620] [ERROR] [localhost] [507536819] [userId] nodeJS - checkIpFilter error:url=https://of.domen.ru/index.php/apps/onlyoffice/download?doc=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY3Rpb24iOiJkb3dubG9hZCIsImZpbGVJZCI6MjEwMDcyLCJ1c2VySWQiOiI3OEZFOUQyRi02MTM5LTQ3MTItOEEyRC1BMzE5M0NGRkMwM0MifQ.HZMQR9XEGIY3TkRvOfOsd8J7rSQXNXpA5tB2M-BYD3I;code:403;
[2025-02-05T09:10:21.754] [ERROR] [localhost] [2980776474] [userId] nodeJS - dnsLookup error: hostname = of.domen.ru Error: getaddrinfo ENOTFOUND of.domen.ru
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:71:26)
[2025-02-05T09:10:21.755] [ERROR] [localhost] [2980776474] [userId] nodeJS - checkIpFilter error:url=https://of.domen.ru/index.php/apps/onlyoffice/download?doc=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY3Rpb24iOiJkb3dubG9hZCIsImZpbGVJZCI6MTk0NTI1LCJ1c2VySWQiOiI1Mzg0OEMxMi02NzIxLTRDNkYtQkNEQy1GMzkxQzIwQjY4RkUifQ.b3E59ISD3w3gEo-ulFm4O7-3WnJ471I654YvRIIxAdg;code:403;
[2025-02-05T09:10:30.906] [ERROR] [localhost] [2127387666] [userId] nodeJS - dnsLookup error: hostname = of.domen.ru Error: getaddrinfo ENOTFOUND of.domen.ru
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:71:26)
[2025-02-05T09:10:30.909] [ERROR] [localhost] [2127387666] [userId] nodeJS - checkIpFilter error:url=https://of.domen.ru/index.php/apps/onlyoffice/download?doc=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY3Rpb24iOiJkb3dubG9hZCIsImZpbGVJZCI6MjQyMDcwLCJ1c2VySWQiOiI1Mzg0OEMxMi02NzIxLTRDNkYtQkNEQy1GMzkxQzIwQjY4RkUifQ.JSmnI4vxHybQO6KD0oZKg7UCrWjzY-t7VN5o9H_Mvbw;code:403;
[2025-02-05T09:58:11.041] [WARN] [localhost] [docId] [userId] nodeJS - num of CPUs: 1; availableParallelism: undefined
[2025-02-05T09:58:11.041] [WARN] [localhost] [docId] [userId] nodeJS - update cluster with 1 workers
[2025-02-05T10:51:09.315] [ERROR] [localhost] [3908032541] [userId] nodeJS - dnsLookup error: hostname = of.domen.ru Error: getaddrinfo ENOTFOUND of.domen.ru
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:71:26)
[2025-02-05T10:51:09.319] [ERROR] [localhost] [3908032541] [userId] nodeJS - checkIpFilter error:url=https://of.domen.ru/index.php/apps/onlyoffice/download?doc=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY3Rpb24iOiJkb3dubG9hZCIsImZpbGVJZCI6MTU0NzAwLCJ1c2VySWQiOiI1Mzg0OEMxMi02NzIxLTRDNkYtQkNEQy1GMzkxQzIwQjY4RkUifQ.eOHmIHAOpaEBmdG3sS4M-7arbiQo1LVCdQl83Obr0tk;code:403;
[2025-02-05T10:51:10.609] [ERROR] [localhost] [3908032541] [userId] nodeJS - dnsLookup error: hostname = of.domen.ru Error: getaddrinfo ENOTFOUND of.domen.ru
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:71:26)
[2025-02-05T10:51:10.612] [ERROR] [localhost] [3908032541] [userId] nodeJS - checkIpFilter error:url=https://of.domen.ru/index.php/apps/onlyoffice/download?doc=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY3Rpb24iOiJkb3dubG9hZCIsImZpbGVJZCI6MTU0NzAwLCJ1c2VySWQiOiI1Mzg0OEMxMi02NzIxLTRDNkYtQkNEQy1GMzkxQzIwQjY4RkUifQ.eOHmIHAOpaEBmdG3sS4M-7arbiQo1LVCdQl83Obr0tk;code:403;
[2025-02-05T10:52:31.280] [ERROR] [localhost] [1537816110] [userId] nodeJS - dnsLookup error: hostname = of.domen.ru Error: getaddrinfo ENOTFOUND of.domen.ru
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:71:26)
[2025-02-05T10:52:31.282] [ERROR] [localhost] [1537816110] [userId] nodeJS - checkIpFilter error:url=https://of.domen.ru/index.php/apps/onlyoffice/download?doc=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY3Rpb24iOiJkb3dubG9hZCIsImZpbGVJZCI6MjA4Mjk3LCJ1c2VySWQiOiI1Mzg0OEMxMi02NzIxLTRDNkYtQkNEQy1GMzkxQzIwQjY4RkUifQ.grHQKRq654tJ-GpE6pfApf8Je9P7oQfcmd_p6BTvNF4;code:403;
[2025-02-05T10:52:34.805] [ERROR] [localhost] [3173550622] [userId] nodeJS - dnsLookup error: hostname = of.domen.ru Error: getaddrinfo ENOTFOUND of.domen.ru
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:71:26)
[2025-02-05T10:52:34.808] [ERROR] [localhost] [3173550622] [userId] nodeJS - checkIpFilter error:url=https://of.domen.ru/index.php/apps/onlyoffice/download?doc=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY3Rpb24iOiJkb3dubG9hZCIsImZpbGVJZCI6MjE0MTE5LCJ1c2VySWQiOiI1Mzg0OEMxMi02NzIxLTRDNkYtQkNEQy1GMzkxQzIwQjY4RkUifQ.h3PKG-delUiLZQySf1KBfwCf79p1Mn3IRZGf96gJBYY;code:403;
[2025-02-05T10:55:21.702] [ERROR] [localhost] [3173550622] [userId] nodeJS - dnsLookup error: hostname = of.domen.ru Error: getaddrinfo ENOTFOUND of.domen.ru
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:71:26)
[2025-02-05T10:55:21.705] [ERROR] [localhost] [3173550622] [userId] nodeJS - checkIpFilter error:url=https://of.domen.ru/index.php/apps/onlyoffice/download?doc=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY3Rpb24iOiJkb3dubG9hZCIsImZpbGVJZCI6MjE0MTE5LCJ1c2VySWQiOiI1Mzg0OEMxMi02NzIxLTRDNkYtQkNEQy1GMzkxQzIwQjY4RkUifQ.h3PKG-delUiLZQySf1KBfwCf79p1Mn3IRZGf96gJBYY;code:403;
[2025-02-05T12:24:52.480] [ERROR] [localhost] [3904241591] [userId] nodeJS - dnsLookup error: hostname = of.domen.ru Error: getaddrinfo ENOTFOUND of.domen.ru
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:71:26)
[2025-02-05T12:24:52.484] [ERROR] [localhost] [3904241591] [userId] nodeJS - checkIpFilter error:url=https://of.domen.ru/index.php/apps/onlyoffice/download?doc=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY3Rpb24iOiJkb3dubG9hZCIsImZpbGVJZCI6MTk0NTI1LCJ1c2VySWQiOiI1Mzg0OEMxMi02NzIxLTRDNkYtQkNEQy1GMzkxQzIwQjY4RkUifQ.b3E59ISD3w3gEo-ulFm4O7-3WnJ471I654YvRIIxAdg;code:403;
[2025-02-05T12:24:52.579] [ERROR] [localhost] [3432867158] [userId] nodeJS - dnsLookup error: hostname = of.domen.ru Error: getaddrinfo ENOTFOUND of.domen.ru
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:71:26)
[2025-02-05T12:24:52.582] [ERROR] [localhost] [3432867158] [userId] nodeJS - checkIpFilter error:url=https://of.domen.ru/index.php/apps/onlyoffice/download?doc=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY3Rpb24iOiJkb3dubG9hZCIsImZpbGVJZCI6MjQwNjE0LCJ1c2VySWQiOiI1Mzg0OEMxMi02NzIxLTRDNkYtQkNEQy1GMzkxQzIwQjY4RkUifQ.e1fexxZ88-lDdeDubt0He1PqpNCM3vJIAWhfxIHOd_Y;code:403;
[2025-02-05T12:24:59.330] [ERROR] [localhost] [3904241591] [userId] nodeJS - dnsLookup error: hostname = of.domen.ru Error: getaddrinfo ENOTFOUND of.domen.ru
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:71:26)
[2025-02-05T12:24:59.330] [ERROR] [localhost] [3904241591] [userId] nodeJS - checkIpFilter error:url=https://of.domen.ru/index.php/apps/onlyoffice/download?doc=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY3Rpb24iOiJkb3dubG9hZCIsImZpbGVJZCI6MTk0NTI1LCJ1c2VySWQiOiI1Mzg0OEMxMi02NzIxLTRDNkYtQkNEQy1GMzkxQzIwQjY4RkUifQ.b3E59ISD3w3gEo-ulFm4O7-3WnJ471I654YvRIIxAdg;code:403;
[2025-02-05T12:24:59.434] [ERROR] [localhost] [3432867158] [userId] nodeJS - dnsLookup error: hostname = of.domen.ru Error: getaddrinfo ENOTFOUND of.domen.ru
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:71:26)
[2025-02-05T12:24:59.434] [ERROR] [localhost] [3432867158] [userId] nodeJS - checkIpFilter error:url=https://of.domen.ru/index.php/apps/onlyoffice/download?doc=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY3Rpb24iOiJkb3dubG9hZCIsImZpbGVJZCI6MjQwNjE0LCJ1c2VySWQiOiI1Mzg0OEMxMi02NzIxLTRDNkYtQkNEQy1GMzkxQzIwQjY4RkUifQ.e1fexxZ88-lDdeDubt0He1PqpNCM3vJIAWhfxIHOd_Y;code:403;
[2025-02-05T12:25:02.784] [ERROR] [localhost] [3432867158] [userId] nodeJS - dnsLookup error: hostname = of.domen.ru Error: getaddrinfo ENOTFOUND of.domen.ru
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:71:26)
[2025-02-05T12:25:02.785] [ERROR] [localhost] [3432867158] [userId] nodeJS - checkIpFilter error:url=https://of.domen.ru/index.php/apps/onlyoffice/download?doc=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY3Rpb24iOiJkb3dubG9hZCIsImZpbGVJZCI6MjQwNjE0LCJ1c2VySWQiOiI1Mzg0OEMxMi02NzIxLTRDNkYtQkNEQy1GMzkxQzIwQjY4RkUifQ.e1fexxZ88-lDdeDubt0He1PqpNCM3vJIAWhfxIHOd_Y;code:403;
[2025-02-05T12:25:02.846] [ERROR] [localhost] [3904241591] [userId] nodeJS - dnsLookup error: hostname = of.domen.ru Error: getaddrinfo ENOTFOUND of.domen.ru
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:71:26)
[2025-02-05T12:25:02.848] [ERROR] [localhost] [3904241591] [userId] nodeJS - checkIpFilter error:url=https://of.domen.ru/index.php/apps/onlyoffice/download?doc=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY3Rpb24iOiJkb3dubG9hZCIsImZpbGVJZCI6MTk0NTI1LCJ1c2VySWQiOiI1Mzg0OEMxMi02NzIxLTRDNkYtQkNEQy1GMzkxQzIwQjY4RkUifQ.b3E59ISD3w3gEo-ulFm4O7-3WnJ471I654YvRIIxAdg;code:403;
[2025-02-05T14:08:44.477] [ERROR] [localhost] [2109856810] [userId] nodeJS - dnsLookup error: hostname = of.domen.ru Error: getaddrinfo ENOTFOUND of.domen.ru
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:71:26)
[2025-02-05T14:08:44.478] [ERROR] [localhost] [2109856810] [userId] nodeJS - checkIpFilter error:url=https://of.domen.ru/index.php/apps/onlyoffice/download?doc=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY3Rpb24iOiJkb3dubG9hZCIsImZpbGVJZCI6MjE3MzY2LCJ1c2VySWQiOiI3M0IyRDVBQi01RkNCLTRDQTItODNGNy1FMkFDQTQyMjhFODAifQ.qw4GXaeA2KmT7wcloWfSYTsJcKYJwV75Tuw_1x-I3wI;code:403;
[2025-02-05T14:08:44.528] [ERROR] [localhost] [1507363006] [userId] nodeJS - dnsLookup error: hostname = of.domen.ru Error: getaddrinfo ENOTFOUND of.domen.ru
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:71:26)
[2025-02-05T14:08:44.530] [ERROR] [localhost] [1507363006] [userId] nodeJS - checkIpFilter error:url=https://of.domen.ru/index.php/apps/onlyoffice/download?doc=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY3Rpb24iOiJkb3dubG9hZCIsImZpbGVJZCI6ODMwNjEsInVzZXJJZCI6IjczQjJENUFCLTVGQ0ItNENBMi04M0Y3LUUyQUNBNDIyOEU4MCJ9.zGWit3TsXpopIa1ZayjYSCbsaL0xOU4UllzumKzFtU4;code:403;
[2025-02-05T15:11:31.440] [ERROR] [localhost] [check_1321164023] [userId] nodeJS - dnsLookup error: hostname = of.domen.ru Error: getaddrinfo ENOTFOUND of.domen.ru
    at GetAddrInfoReqWrap.onlookup [as oncomplete] (node:dns:71:26)
[2025-02-05T15:11:31.444] [ERROR] [localhost] [check_1321164023] [userId] nodeJS - checkIpFilter error:url=https://of.domen.ru/index.php/apps/onlyoffice/empty?doc=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJhY3Rpb24iOiJlbXB0eSJ9.Qp25tZ7P07FR4iVECMg-44gQILPDwKEL3ZDUYGksxqs;code:403;
root@ff90047d7d3a:/# date
Wed Feb  5 03:13:52 PM UTC 2025
root@ff90047d7d3a:/#

After that, I edited

/etc/resolv.conf

and specified a local DNS server, but the error still persists.

root@ff90047d7d3a:/# nano /etc/resolv.conf
root@ff90047d7d3a:/# wget --spider https://of.domen.ru
Spider mode enabled. Check if remote file exists.
--2025-02-05 15:21:29--  https://of.domen.ru/
Resolving of.scs-energy.ru (of.domen.ru)... 10.1.2.70
Connecting to of.domen.ru (of.domen.ru|10.1.2.70|:443... connected.
HTTP request sent, awaiting response... 302 Moved Temporarily
Location: https://of.domen.ru/welcome/ [following]
Spider mode enabled. Check if remote file exists.
--2025-02-05 15:21:29--  https://of.domen.ru/welcome/
Connecting to of.scs-energy.ru (of.domen.ru)|10.1.2.70|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 4948 (4.8K) [text/html]
Remote file exists and could contain further links,
but recursion is disabled -- not retrieving.

root@ff90047d7d3a:/# curl -I https://of.domen.ru
HTTP/2 302
server: nginx
date: Wed, 05 Feb 2025 15:21:38 GMT
content-type: text/html
content-length: 138
location: https://of.domen.ru/welcome/
strict-transport-security: max-age=31536000
x-content-type-options: nosniff

I gave the answer above

Thanks.

Actually, Docker containers have their own hosts file inside the container. You can try editing it too by connecting to the container with Document Server using docker exec -it <ID> bash, where <ID> is the ID of the container with Document Server. Use docker ps to enlist all running containers and find the ID.

Also, you can specify your DNS server for Docker. It is described in the guide on the installation of Document Server with Docker:
https://helpcenter.onlyoffice.com/installation/docs-community-install-docker.aspx#Installing