Hello, i just got a new domain www.techalertx.com that is a tech related website and I'm getting this type of sign ? (question mark) when posting the link for website post in social media such as facebook, linkedin, twitter and google. It display "link is unknown".
Please see these screenshots where you can see how it is shown
My domain and site is safe, I checked every time.
Could you please change this message, whitelist my domain and show it as a trusted domain? Please let me know if you need any additional information from my side to do so.
Thank you