I'm working on an experimental way to alleviate this, but ultimately, due to our high standards of security and marketplace integrity, here are the (currently only) ways you can verify domains for upload on Flippa:
1/ Ensure your domains are publicly crawl-able via WhoIs -- Provided your email address is accessible, most sellers receive a notification that their domains have been auto-verified and uploaded.
2/ Should you receive an email that suggests one/some/many/all were not able to be verified, you are urged to utilize one of the following methods to address this:
a) Insert a TXT file into your domain via your registrar
b) Un-privatize your domain and re-collect the WhoIs information in your "Pending Verification" section of your Flippa Portfolio
c) *Hopefully Forthcoming* ~ You set your domain's NameServers to NS1.Flippa.com + NS2.Flippa.com and have the system auto-verify that way. As a bonus, once your domains go live, they will automatically populate and point to the complimentary Domain Sales Page,
which we have recently found to be a major reason so many non-auction domains are selling.
3/ Aside from this NameServer option which like I said I believe is forthcoming, there is an experimental idea that we are working on. It involves being able to upload ALL unverifiable inventory (which, aside from Privatized domains, may include ccTLDs and new gTLDs that are un-crawlable by WhoIs).
Basically, you would submit your inventory as per usual, but those that were unverified would be managed by a Flippa Account Representative. These unverified domains would be visible on the platform, but should a lead come forward (offer, message, Buy/Now trigger), it would go directly to our team.
Our team would in turn properly vet and verify a) the seller (making sure it is indeed you!), b) the asset (making sure you indeed own it!) and c) the buyer - and in a perfect world, a sale would materialize. This is in pre-BETA and if anyone is interested in utilizing this, they are invited to get in touch with us.
cc
@Shane Bellone cc
@RU