.bio
71,626 domains as of 13 Aug 2026
Registry details
From the IANA Root Zone Database and RDAP bootstrap.
- Registry operator
- Identity Digital Limited
- Technical backend
- Identity Digital via rdap host
- Delegated
- 2 Jun 2014
- Nameservers
- a0.nic.bio, a2.nic.bio, b0.nic.bio, c0.nic.bio
- RDAP
- https://rdap.identitydigital.services/rdap
- Zone data
- CZDS access approved — counted daily
Registrar share
individual · combinedIndividual ICANN accreditations, matching the registry report line for line. 213 reported volume in this TLD.
| Name.com, Inc. | 8,798 | 15.01% |
|---|---|---|
| NameCheap, Inc. | 7,780 | 13.27% |
| GoDaddy.com, LLC | 7,702 | 13.14% |
| Tucows Domains Inc. | 2,949 | 5.03% |
| CommuniGal Communication Ltd. | 2,921 | 4.98% |
| Automattic Inc. | 2,848 | 4.86% |
| Porkbun LLC | 2,362 | 4.03% |
| Dynadot Inc | 2,065 | 3.52% |
| NameSilo, LLC | 1,821 | 3.11% |
| Spaceship, Inc. | 1,642 | 2.8% |
| Other203 more registrars | 17,739 | 30.26% |
Domains by month, 2014–present
From ICANN's monthly registry reports — the registry's own count, summed across registrars. This is the long history: it reaches back to delegation, where the daily series below can only start when this site began collecting zone files.
| Month | Domains | Change | Registrars | Net adds | Deletes |
|---|---|---|---|---|---|
| Apr 2026 | 58,627 | ▲ +334 | 213 | 2,608 | 2,320 |
| Mar 2026 | 58,293 | ▲ +262 | 210 | 2,760 | 2,542 |
| Feb 2026 | 58,031 | ▲ +306 | 209 | 1,803 | 1,739 |
| Jan 2026 | 57,725 | ▼ -85 | 208 | 1,659 | 1,762 |
| Dec 2025 | 57,810 | ▲ +106 | 207 | 1,687 | 1,578 |
| Nov 2025 | 57,704 | ▲ +545 | 205 | 1,954 | 1,429 |
| Oct 2025 | 57,159 | ▲ +107 | 204 | 2,204 | 1,987 |
| Sep 2025 | 57,052 | ▲ +326 | 204 | 1,981 | 1,767 |
| Aug 2025 | 56,726 | ▲ +571 | 202 | 2,190 | 1,610 |
| Jul 2025 | 56,155 | ▲ +3,138 | 201 | 4,536 | 1,820 |
| Jun 2025 | 53,017 | ▲ +1,056 | 199 | 2,347 | 1,330 |
| May 2025 | 51,961 | ▼ -157 | 198 | 2,088 | 2,162 |
| Apr 2025 | 52,118 | ▲ +2,085 | 197 | 3,368 | 1,327 |
| Mar 2025 | 50,033 | ▲ +3 | 197 | 2,360 | 2,305 |
| Feb 2025 | 50,030 | ▼ -1,673 | 195 | 3,107 | 4,900 |
| Jan 2025 | 51,703 | ▼ -4,054 | 188 | 2,195 | 6,378 |
| Dec 2024 | 55,757 | ▼ -1,927 | 184 | 1,733 | 3,625 |
| Nov 2024 | 57,684 | ▼ -2,464 | 182 | 1,585 | 4,129 |
| Oct 2024 | 60,148 | ▼ -4,065 | 180 | 1,573 | 5,668 |
| Sep 2024 | 64,213 | ▼ -5,513 | 178 | 1,526 | 7,049 |
| Aug 2024 | 69,726 | ▼ -5,495 | 176 | 1,793 | 7,172 |
| Jul 2024 | 75,221 | ▼ -6,140 | 176 | 2,160 | 8,407 |
| Jun 2024 | 81,361 | ▼ -1,664 | 174 | 1,735 | 3,404 |
| May 2024 | 83,025 | ▼ -373 | 173 | 1,385 | 1,824 |
Domains over time
Counted from daily zone files. Names with at least one NS record or a DS record.
Daily adds and drops
Day-over-day difference of the zone's name list.
- Added
- Dropped
Registrars
Registry activity
Query volumes and EPP operations reported monthly by the registry. The only public signal of how much a TLD is actually resolved rather than merely registered.
| Month | Operational registrars | DNS queries (UDP) | RDAP queries | Creates | Deletes | Renews |
|---|---|---|---|---|---|---|
| Dec 2017 | 34 | 79.27M | 0 | 661 | 178 | 570 |
| Nov 2017 | 34 | 70.84M | 0 | 1,267 | 188 | 698 |
| Oct 2017 | 32 | 71.53M | 0 | 653 | 582 | 789 |
| Sep 2017 | 30 | 65.14M | 0 | 633 | 426 | 1,491 |
| Aug 2017 | 30 | 74.05M | 0 | 431 | 1,041 | 2,724 |
| Jul 2017 | 28 | 67.88M | 0 | 938 | 219 | 733 |
| Jun 2017 | 26 | 64.85M | 0 | 620 | 204 | 1,385 |
| May 2017 | 25 | 64.45M | 0 | 1,336 | 376 | 760 |
| Apr 2017 | 23 | 55.84M | 0 | 5,873 | 466 | 712 |
| Mar 2017 | 22 | 55.52M | 0 | 533 | 327 | 1,365 |
| Feb 2017 | 19 | 51.16M | 0 | 572 | 347 | 1,264 |
| Jan 2017 | 76 | 2.9M | 0 | 258 | 214 | 1,119 |
| Dec 2016 | 76 | 50.1M | 0 | 291 | 165 | 470 |
| Nov 2016 | 76 | 44.56M | 0 | 285 | 641 | 563 |
| Oct 2016 | 76 | 40.41M | 0 | 299 | 520 | 1,113 |
| Sep 2016 | 76 | 37.48M | 0 | 431 | 213 | 1,351 |
| Aug 2016 | 76 | 26.38M | 0 | 711 | 179 | 3,569 |
| Jul 2016 | 75 | 34.91M | 0 | 286 | 1,414 | 523 |
| Jun 2016 | 74 | 32.69M | 0 | 1,202 | 229 | 338 |
| May 2016 | 74 | 30.86M | 0 | 680 | 191 | 417 |
| Apr 2016 | 74 | 43.74M | 0 | 420 | 534 | 1,033 |
| Mar 2016 | 73 | 29.97M | 0 | 1,165 | 263 | 888 |
| Feb 2016 | 73 | 28.5M | 0 | 809 | 285 | 688 |
| Jan 2016 | 72 | 27.01M | 0 | 688 | 373 | 589 |
| Dec 2015 | 70 | 25.21M | 0 | 285 | 77 | 330 |
| Nov 2015 | 70 | 23.18M | 0 | 381 | 173 | 586 |
| Oct 2015 | 70 | 21.69M | 0 | 1,589 | 539 | 409 |
| Sep 2015 | 69 | 17.06M | 0 | 647 | 41 | 1,105 |
| Aug 2015 | 66 | 17.37M | 0 | 352 | 46 | 4,059 |
| Jul 2015 | 66 | 15.74M | 0 | 297 | 14 | 242 |
| Jun 2015 | 62 | 15.94M | 0 | 305 | 9 | 41 |
| May 2015 | 60 | 14.92M | 0 | 412 | 5 | 5 |
| Apr 2015 | 59 | 14.43M | 0 | 2,303 | 18 | 7 |
| Mar 2015 | 59 | 12.7M | 0 | 854 | 41 | 2 |
| Feb 2015 | 58 | 9.82M | 0 | 723 | 13 | 1 |
| Jan 2015 | 58 | 9.8M | 0 | 558 | 10 | 2 |
| Dec 2014 | 58 | 11.51M | 0 | 393 | 17 | 5 |
| Nov 2014 | 58 | 10.38M | 0 | 871 | 8 | 2 |
| Oct 2014 | 56 | 9.96M | 0 | 482 | 4 | 0 |
| Sep 2014 | 56 | 10.66M | 0 | 1,498 | 129 | 3 |
| Aug 2014 | 55 | 7.18M | 0 | 16,719 | 15 | 6 |
| Jul 2014 | 43 | 3.51M | 0 | 188 | 0 | 0 |
| Jun 2014 | 43 | 2.78M | 0 | 14 | 0 | 0 |
Data currency. Domain counts on this page are from zone files dated and refresh daily. Registrar figures are from ICANN's monthly registry reports for April 2026, which ICANN publishes about three months in arrears; zone files contain no registrar information, so no fresher source exists. Full detail on methodology and live pipeline status.