Once a domain expires, the registrar will allow around 30 days for the original owner to renew it. This period depends on the registrar and can range from 2 weeks to a whole year. Once this period is over, the domain enters the "Pending Delete" status, during which it cannot be renewed, purchased or modified in any way. Once the Pending delete status is over, the domain is dropped back into the available pool, and can now be purchased by anyone.
[1] On April 11, 2016, SnapNames (owned by Web.com) and NameJet (partnership between Web.com and Rightside) combined resources on pending delete/dropping domains to better compete with other drop catching services. Going forward, backorders placed on either platform for pending delete names will go into a common backorder pool and will be fulfilled either by NameJet or SnapNames depending on which platform the backorder was placed. Pending delete names that have multiple backorders will be placed in a common private auction accessible to bidders from both platforms to participate in the live auction. Minimum bid increments and proxy bidding rules for NameJet will be modified to match those of SnapNames. Registrar expiry, and direct lister inventory will not be affected by this integration.
I wish I could tell you that expired domains are some sort of magic bullet solution to all your traffic problems and headaches. Unfortunately, if I were to say that to you, I would be lying. There are drawbacks. Just like with anything else in life, there are advantages and disadvantages. The problems with expired domains is that they are often hard to find on your own. You can take wild guesses and waste a lot of time, effort and energy, and end up with nothing. Also, if you were to try to scope out drop domains by trying to find them in the most common way, which is to use a drop domain exchange, expect to pay a lot of money. Why? Because of heavy competition. Keep in mind that you’re not the only person who knows that dropped domains can bring a lot of traffic to the table. There are many other online marketers out there that realize drop domains' traffic value.
I registered for backordering with GoDaddy last year, as i saw goddady was the registar of the domain i wanted. However when the deadline for renewal came, i got a message the expiration date had changed to expire… well, a year later, i.e. now in 4 days. How can the expiration date be postponed? Was that the registrant renewed? does that mean the domain never becomes available and never goes to auction?
Lets look at some settiings, so you could enter a list of websites to crawl for expired domains on, or you can enter a search query say you're looking to form a pbn to boost your money site, that's about horse riding or something you could put horse riding down there and then it'll search, Google for horse riding and then crawl all the domains that Google brings back to you. Then we've got endless crawl and you basically you put in a few seed websites and then it will just crawl endlessly from those websites. So it will take all the domains off those websites. First they'll check whether they're expired or not. If they're not expired, then it'll start crawling them and then it will crawl the ones it finds from them and so on so on and so on. It will just keep going ok.

Domain Hunter Gatherer gives you a lot of options when it comes to getting a starting point for your drop domain search. This amazing tool also makes filtering drop domains so much easier. You have to understand that the vast majority of drop domains out there are complete junk. You have no business buying them. Unfortunately, if you don’t know how to filter correctly, most of these domains would look very attractive. You end up wasting your money on domain names that do not recoup the dollars you invested in them. Domain Hunter Gatherer makes filtering so much easier. It incorporates Moz and Majestic API support without requiring you to have an account on those services*. It quickly lets you know how many social media mentions a particular domain has, it lists out the number of backlinks that the domain used to have, and so on down the line. It's a very fast piece of software because it is multi-threaded. Finally, once you've identified certain domains you'd like to track, you can save them very easily. If you are looking to take your online income to the next level, you should definitely get your copy of the Domain Hunter Gatherer today. It will definitely make your life easier.
If the domain name is not with any auction house partner (I think that’s what you’re saying), then you can use a drop catch service anytime: https://www.domainsherpa.com/domain-name-backorder-services/ They do not make your order public information as NameJet and others do by sharing how many bids are placed on a domain name and thereby driving interest.

Nice one mate, another very useful tip to make your process water-tight would be to check the whois registration history. At times people recreate a replica of the old site using archive.org. Using the https://who.is/domain-history tool, you can check when the original registrar’s time ended and if someone took over the domain before you. Great stuff John.

Page authority ranking criteria are similar to domain authority. It’s ranked on a scale of 1 to 100. Page Authority measures the predictive ranking of a web page. The page authority of a website can change depending on various metrics. Search engines examine the relevance and authority of a page based on its contents and external links. If a webpage has links to higher authority sites and has keywords in it, its authority ranking will increase.
What I like to do is sort by DP which stands for domain pop, and this is basically the number of linking root domains. So, BL is the number of back links. As you know that can be somewhat misleading if they have a lot of site wide links or multiple links from the same domain. I like to sort by domain pop. What that does is it brings up the sites with the most amount of referring domains.
It will just go on and on and on endlessly, so that really is like a set and forget setting. Okay, now before I show you it in action, I'll just skim over some of these stats stuff. Here this is pretty self-explanatory really so that's the amount pages crawled so far, that's how many pages were crawling per minute, so once it's been running for a minute that that'll date and they'll update every minute after that. That is if the websites are blocking are crawl. Thatw how many websites currently are been crawled, so how many websites have been crawled. That's if we have it have it had any registrar errors, so we fired off some domains to see if they're available or not and there's been any errors in checking them it displays there.
Sometimes people purchase domains that they plan to build a website on or sell in the future, but it just doesn’t end up happening. If an individual decides that it is no longer worth the yearly investment of keeping the domain in their account, they may choose to let it expire. Or, someone might just forget to renew the domain before the expiration date. If this happens, it’s a great chance for other domain investors to score rare domain names that are pending delete. Spending time perusing the list of recently dropped domains can be a worthwhile way to find high quality domains.

Hey, what’s up everybody. It’s Brian Dean from Quick Sprout. In this video, I’m going to show you how to buy affordable expired domains and how to evaluate the potential value that an expired domain could bring to your site. Now, expired domains is pretty gray hat, black hat type of thing because there’s basically two things you’re going to do in an expired domain.

We just need to take the Archive.org url and plug it into the Dom Recovery software and again, if you just hit recover, paste in the snapshot, click next, next, finish, and I’m going to let this one run in real time for you so you can see just how quick it is, and right now it is downloading the initial page, and now it’s downloading all of the other pages.
Yes, we port in all of the domains from NameJet, SnapNames, etc. There are a lot of great deals to be found. Some are absolute trash of course but if you can sift through them and put some time in (hopefully that is what we are trying to do with our tools is save time and give some value add with the SEO metrics, alerts, etc.) then you can find some great bargains.
You can add it as part of a private blog network or you can 301 redirect an expired domain to your site to bring some trust and authority to your site. Now, in my experience, the best place to look for expired domains is this free website called expireddomains.net. So, you just have to head over there, make a free account and this is the page that you’ll see when you log in.
It’s easier to rank higher with expired domains: Depending upon your domain age, page authority, trust flow, expired domains tend to rank really well when compared to new domains. Most new domains don’t have any DA, page authority or trust flow so it’s really harder to rank well in Google. This won’t happen with the expired domains as they are already established well and might be getting decent amount of traffic from search engines.
A domain name that reaches expired status and is not renewed by the owner will be listed at an auction service (see FAQ for exception to this rule). The domain name does not immediately go into auction, but is immediately listed on the partnered auction service with an auction scheduled for the near future. Such a domain name will be exclusive to that specific auction service.
Everybody going to start using old domains should also know how to get them, I'm going to post soon article about it on seomoz as there are several ways starting from online rankings and lists up to dedicated seo tools that you can run on your computer and get precise and actual data on demand for any domains lists. Anybody intersting in such tools please visit our website: http://en.exdomain.eu/
2) prerelease auctions.  These are domains where the auction venue has contracted with the registrar, like Fabulous or Moniker, to auction off non-renewed domains.  Just before a domain enters the pending delete process, it goes to a private auction to any person who has backordered the name.  Some people feel that back links on these type of auctions still provide a SEO benifit. My testing indicates that there is zero SEO benifit when these domains are redirected into another site.  So if you get a domain with "pink squirels" in a lot of achor text to a domain and then point it at your domain, you don't rank for "pink squirels"
Hundreds of thousands of domains expire everyday. While most of them are trash, quite a few are aged domains having excellent backlinks. These can be easily filtered using metrics from Majestic (Trust Flow) & Moz (Domain Authority). These are great for your money sites or for building private blog networks. Some of these domains have natural organic traffic, that can be determined by their SEMrush rank or the SimilarWeb data. These are great for domain parking or for promoting affiliate offers.