DNSExit free domain name corporate email DNS resolution and SSL certificate one-stop service

As a long-established domain name service provider, DNSExit has been providing stable and reliable free DNS resolution services to users around the world since its establishment in 2001. After more than 20 years of development, its service scope has expanded from the initial domain name resolution to a full range of network service solutions including dynamic DNS, free secondary domain names, corporate email and SSL certificates.

DNSExit core service details

1. Professional DNS resolution service

DNSExit's DNS resolution service supports multiple record types, including:

• A record : supports IPv4 address resolution
• AAAA record : support IPv6 address resolution
• MX Records : Mail Server Configuration
• CNAME record : domain name alias settings
• TXT record : SPF, DKIM and other verifications
• SRV Records : Specific Service Location

Its analytical service has the following technical features:

• Globally distributed server network to ensure fast parsing speed
• The minimum TTL can be set to 120 seconds, which is suitable for scenarios where frequent changes to the analysis are required.
• Support DNSSEC security extension
• Provides detailed parsing logging

2. Dynamic DNS resolution service

DNSExit's dynamic DNS service is particularly suitable for the following application scenarios:

• Remote access to home NAS devices
• Self-built server monitoring
• IoT device management
• Remote access to small office networks

Dynamic DNS service supports multiple update methods:

1. Dedicated client software automatic update
2. Programmatic update via API interface
3. Support HTTP/HTTPS protocol manual update

In-depth analysis of free secondary domain name service

DNSExit currently provides free second-level domain names with the following suffixes:

Precautions for use:

• The domain name resolution usually takes 5-10 minutes to take effect.
• Some suffixes may have access restrictions in certain regions
• It is recommended to check the domain name resolution status regularly
• Important business recommends using paid domain name services

Technical details of corporate email service

The main parameters of DNSExit free corporate mailbox:

• Storage space: 100MB
• Number of accounts: Up to 2
• Limit: 20 outgoing emails per day
• Protocol support: POP3/IMAP/SMTP/Webmail
• Security features: SSL/TLS encryption

Mailbox service configuration suggestions:

1. It is recommended to set up an SPF record to prevent emails from being marked as spam.
2. Clean up your mailbox regularly to keep free space
3. It is recommended to set up automatic forwarding backup for important emails
4. Can be used with client software such as Outlook

Professional Guide to SSL Certificate Services

Features of Let's Encrypt certificate service provided by DNSExit:

• Support single domain name and wildcard domain name certificates
• The certificate is valid for 90 days
• Support automatic renewal
• Compatible with all major browsers
• Supports ECC and RSA encryption algorithms

Certificate deployment recommendations:

1. It is recommended to set up automatic renewal before the certificate expires
2. Regularly check the integrity of the certificate chain
3. Configuring HTTP Strict Transport Security (HSTS)
4. Improve performance with OCSP Stapling

Account management and security advice

To ensure account security, we recommend taking the following measures:

• Use strong passwords and change them regularly
• Enable two-factor authentication (if supported)
• Check account login records regularly
• Important operations are performed over a secure connection
• Backing up key configuration information

As an established service provider, DNSExit's free service has certain limitations, but it is still a very cost-effective choice for individual users and small projects. It is recommended that users use various services reasonably according to actual needs and pay attention to comply with the terms of service to ensure the continuous and stable use of the service.