Here's a revised version of your forum reply with your site backlink included:

To increase the Domain Authority (DA) of your website, focus on building a solid backlink profile from high-quality, reputable sites, as this is key to improving DA. You can do this by creating valuable, shareable content, reaching out for guest posting opportunities, and fostering partnerships within your niche. Also, ensure your site has strong on-page SEO, fast loading speeds, mobile optimization, and secure HTTPS. If you're struggling, it's likely because you're either not getting enough high-quality backlinks, or technical SEO issues like slow page speed or poor user experience are holding you back. For example, I’ve been working on boosting the DA of my site goofyahhpictures.us by focusing on creating fun, shareable content. Keep in mind, DA growth takes time and consistent effort!

Reducing the spam score of a website or email involves taking various measures to improve its reputation and credibility in the eyes of spam filters and spam detection systems. Here are some steps you can take to reduce the spam score:

Quality Content: Ensure that your website or email content is valuable, relevant, and not misleading. Avoid using excessive capitalization, excessive punctuation, or overly promotional language.

Avoid Spammy Keywords: Refrain from using known spam trigger words and phrases in your content. These include words like "guaranteed," "free," "buy now," and excessive use of exclamation marks.

Authentication: Implement proper email authentication methods such as SPF (Sender Policy Framework), DKIM (DomainKeys Identified Mail), and DMARC (Domain-based Message Authentication, Reporting, and Conformance) for your emails to prove their legitimacy.

List Quality: If you're sending marketing emails, ensure that your email list is clean and contains only opted-in subscribers. Remove bounced or inactive email addresses promptly.

Unsubscribe Option: Include a clear and easy-to-use unsubscribe link in your marketing emails. Honoring unsubscribe requests promptly is essential.

Double Opt-In: Implement a double opt-in process for email subscriptions. This ensures that subscribers confirm their intent to receive emails from you.

Reputation Monitoring: Monitor your sender reputation using tools like SenderScore or Postmaster Tools for Gmail. A poor sender reputation can lead to emails being marked as spam.

Avoid URL Shorteners: Some URL shorteners are associated with spam. Avoid using them in your emails or on your website.

Regular Updates: Keep your website and software up to date to prevent vulnerabilities that could be exploited by spammers.

Use a Reliable Hosting Provider: Choose a reputable hosting provider for your website. Some hosting providers are known for hosting spammy websites, which can affect your domain's reputation.

Check for Malware and Hacks: Regularly scan your website for malware and security vulnerabilities. Hackers may use your site to send spam without your knowledge.

Feedback Loop: If you send emails in bulk, sign up for feedback loops with major email service providers. This allows you to receive notifications about spam complaints and take action.

Engagement: Encourage engagement with your emails and website, such as opening emails, clicking on links, and leaving comments. High engagement can improve your sender or domain reputation.

You can check the age of a domain (the length of time it has been registered and active) using various online tools and techniques. Here's a step-by-step guide on how to do it:

Go to a Domain Age Checker Website:
There are several websites that provide domain age checking services. Some popular options include:

Whois.net
DomainTools
ICANN WHOIS
Enter the Domain Name:
On the chosen domain age checker website, there should be a search bar where you can input the domain name you want to check.

Submit the Query:
After entering the domain name, click the "Search" or "Check" button, depending on the website you're using.

View the Domain Age Information:
The website will provide you with information about the domain, including its creation date or registration date. This date represents the approximate age of the domain.

Analyze the Results:
Take note of the domain creation date to determine its age. The date may be displayed in different formats (e.g., MM/DD/YYYY or DD/MM/YYYY), so make sure to interpret it correctly.