Normally when a domain name is deleted it will immediately enter quarantine status. Most TLDs will charge costs to reactivate a domain, for gTLDs this can go up to hundreds of dollars just to reactivate the domain.
To reduce the impact of a domain expiring we have introduced a functionality called Soft Quarantine. This means that when the domain name expires, it will no longer be active, but reactivating it will not include additional fees.
To achieve this we use the renewal terms given to our suppliers. These are generally not exactly on the end of the validity period of your domain name and we can extend it without paying for it. Until the actual end-date is reached, we allow you to reactivate the domain for no additional fee aside from a year renewal of the domain name.
During the time that the domain name has expired in your account and the moment we delete it, we will add our own nameservers to the domain name (ina1.registrar.eu, ina2.registrar.eu and ina3.registrar.eu). These nameservers contain their own zone and will show a landing page.
During the time that the domain is in soft quarantine you can always reactivate it via your control panel.
Soft quarantine is available for nearly all gTLDs (only on expiration, not on explicit deletion).