A side-by-side comparison of two dns providers, based on the 840,922 DNS Provider sites tracked by Site Stats Database.
Last updated
| Metric | Foundation DNS | ui-dns.org |
|---|---|---|
| Websites | 568 | 1,801 |
| Market share | 0.07% | 0.21% |
| Share of top 10K sites | 0.89% | 0.03% |
| Share of top 100K sites |
|---|
| 0.24% |
| 0.10% |
| Rank | #76 | #33 |
|---|
| Median DR | 64 | 23 |
|---|
| Average DR | 61 | 25 |
|---|
| Median keywords | 4,396 | 712 |
|---|
| Median referring domains | 2,579 | 267 |
|---|
| Median domain age | 23 yrs | 14 yrs |
|---|
| Average domain age | 21 yrs | 14 yrs |
|---|
| Average monthly traffic | 2,163,402 | 19,086 |
|---|
| Combined monthly traffic | 1,228,812,188 | 34,374,099 |
|---|
A site runs one DNS provider, so Foundation DNS and ui-dns.org are mutually exclusive.
Monthly snapshots of each segment, 2026-06 to 2026-07. Website counts move when our catalog grows; the share of tracked sites is normalized, so it only moves when real prevalence changes.
Websites
Share of tracked sites
Combined monthly traffic
568 websites · rank #76
Top industries
Top markets
1,801 websites · rank #33
Top industries
Top markets
ui-dns.org is used by more websites in our catalog: 568 use Foundation DNS and 1,801 use ui-dns.org.
Foundation DNS sites have the higher median Ahrefs Domain Rating (Foundation DNS: 64, ui-dns.org: 23).
Between 2026-06 and 2026-07, Foundation DNS went from 0.09% to 0.06% of all tracked sites, while ui-dns.org went from 0.23% to 0.20%. ui-dns.org is gaining ground faster in our index.
No. A site runs a single DNS provider, so Foundation DNS and ui-dns.org are mutually exclusive.
Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.
Citation
Site Stats Database. "Foundation DNS vs ui-dns.org." Site Stats Database, July 1, 2026. https://sitestatsdb.com/technologies/dns-providers/compare/foundation-dns-vs-ui-dns-org
Site Stats Database tracks 568 websites using Foundation DNS and 1,801 using ui-dns.org, each enriched with full monthly traffic history, authority, keywords, referring domains, and the complete detected tech stack. We detect every DNS provider by crawling each site's HTML, response headers, and DNS; traffic and SEO metrics come from DataForSEO and Ahrefs. Everything refreshes at least monthly.
See plans & pricing| English |
| 91 |
| 3,306,939 |
| 249,058 |
| 32 yrs |
| 120,641,412 |
| Foundation DNS |
| seriouseats.com | English | 86 | 1,719,658 | 115,325 | 20 yrs | 67,651,798 | Foundation DNS |
| investopedia.com | English | 92 | 2,098,866 | 406,047 | 26 yrs | 66,831,883 | Foundation DNS |
| kayak.com | English | 87 | 2,410,381 | 65,916 | 31 yrs | 61,496,142 | Foundation DNS |
| simplyrecipes.com | English | 82 | 992,573 | 70,052 | 24 yrs | 37,946,046 | Foundation DNS |
| verywellhealth.com | English | 90 | 2,792,245 | 157,167 | 20 yrs | 32,883,437 | Foundation DNS |
| groupon.com | English | 84 | 821,862 | 61,566 | 24 yrs | 32,266,779 | Foundation DNS |
| southernliving.com | English | 86 | 2,110,038 | 83,089 | 28 yrs | 30,390,710 | Foundation DNS |
| thespruce.com | English | 90 | 2,309,818 | 199,858 | 16 yrs | 30,091,273 | Foundation DNS |
| English |
| 47 |
| 20,282 |
| 3,559 |
| 17 yrs |
| 1,397,198 |
| ui-dns.org |
| menuguide.com | English | 34 | 150,427 | 1,716 | 29 yrs | 992,822 | ui-dns.org |
| usinflationcalculator.com | English | 76 | 12,963 | 10,602 | 17 yrs | 843,417 | ui-dns.org |
| calpaktravel.com | English | 65 | 20,480 | 2,805 | 10 yrs | 544,641 | ui-dns.org |
| remedyliquor.com | English | 52 | 44,263 | 2,930 | 18 yrs | 497,996 | ui-dns.org |
| hikingphotographer.uk | English | 33 | 3,824 | 209 | 10 yrs | 462,528 | ui-dns.org |
| dvdsreleasedates.com | English | 44 | 40,800 | 18,538 | 15 yrs | 444,949 | ui-dns.org |
| calconi.com | English | 25 | 28,248 | 796 | 6 yrs | 432,935 | ui-dns.org |
| brian-coffee-spot.com | English | 33 | 5,542 | 867 | 13 yrs | 396,657 | ui-dns.org |