Is Foundation DNS or UltraDNS more popular?

UltraDNS is used by more websites in our catalog: 568 use Foundation DNS and 2,243 use UltraDNS.

Does Foundation DNS or UltraDNS have higher-authority sites?

Foundation DNS sites have the higher median Ahrefs Domain Rating (Foundation DNS: 64, UltraDNS: 55).

Is Foundation DNS or UltraDNS growing faster?

Between 2026-06 and 2026-07, Foundation DNS went from 0.09% to 0.06% of all tracked sites, while UltraDNS went from 0.32% to 0.25%. Foundation DNS is gaining ground faster in our index.

Can a site use both Foundation DNS and UltraDNS?

No. A site runs a single DNS provider, so Foundation DNS and UltraDNS are mutually exclusive.

Where does this Foundation DNS vs UltraDNS data come from?

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.

Foundation DNS vs UltraDNS — Site Stats Database

Foundation DNS vs UltraDNS

A side-by-side comparison of two dns providers, based on the 840,922 DNS Provider sites tracked by Site Stats Database.

Last updated July 1, 2026

Metric	Foundation DNS	UltraDNS
Websites	568	2,243
Market share	0.07%	0.27%
Share of top 10K sites	0.89%	2.0%

Rank	#76	#27

Median DR	64	55

Average DR	61	50

Median keywords	4,396	2,426

Median referring domains	2,579	1,405

Median domain age	23 yrs	25 yrs

Average domain age	21 yrs	22 yrs

Average monthly traffic	2,163,402	1,414,555

Combined monthly traffic	1,228,812,188	3,172,847,481

allrecipes.com
Language
DR (Ahrefs)89
Total Keywords3,491,845
Referring Domains151,904
Domain Age27 yrs
Traffic (Jun 2026)166,334,891
Traffic Trend
TechnologyFoundation DNS
people.com
LanguageEnglish
DR (Ahrefs)91
Total Keywords3,306,939
Referring Domains249,058
Domain Age32 yrs
Traffic (Jun 2026)120,641,412
Traffic Trend
Technology
seriouseats.com
LanguageEnglish
DR (Ahrefs)86
Total Keywords1,719,658
Referring Domains115,325
Domain Age20 yrs
Traffic (Jun 2026)67,651,798
Traffic Trend
Technology
investopedia.com
LanguageEnglish
DR (Ahrefs)92
Total Keywords2,098,866
Referring Domains406,047
Domain Age26 yrs
Traffic (Jun 2026)66,831,883
Traffic Trend
Technology
kayak.com
LanguageEnglish
DR (Ahrefs)87
Total Keywords2,410,381
Referring Domains65,916
Domain Age31 yrs
Traffic (Jun 2026)61,496,142
Traffic Trend
TechnologyFoundation DNS
simplyrecipes.com
LanguageEnglish
DR (Ahrefs)82
Total Keywords992,573
Referring Domains70,052
Domain Age24 yrs
Traffic (Jun 2026)37,946,046
Traffic Trend
Technology
verywellhealth.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords2,792,245
Referring Domains157,167
Domain Age20 yrs
Traffic (Jun 2026)32,883,437
Traffic Trend
Technology
groupon.com
LanguageEnglish
DR (Ahrefs)84
Total Keywords821,862
Referring Domains61,566
Domain Age24 yrs
Traffic (Jun 2026)32,266,779
Traffic Trend
Technology
southernliving.com
LanguageEnglish
DR (Ahrefs)86
Total Keywords2,110,038
Referring Domains83,089
Domain Age28 yrs
Traffic (Jun 2026)30,390,710
Traffic Trend
Technology
thespruce.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords2,309,818
Referring Domains199,858
Domain Age16 yrs
Traffic (Jun 2026)30,091,273
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
allrecipes.com		89	3,491,845	151,904	27 yrs	166,334,891		Foundation DNS

rottentomatoes.com
LanguageEnglish
DR (Ahrefs)87
Total Keywords4,123,803
Referring Domains130,919
Domain Age27 yrs
Traffic (Jun 2026)626,896,769
Traffic Trend
TechnologyUltraDNS
walmart.com
LanguageEnglish
DR (Ahrefs)92
Total Keywords22,196,316
Referring Domains287,795
Domain Age31 yrs
Traffic (Jun 2026)430,824,067
Traffic Trend
Technology
nfl.com
LanguageEnglish
DR (Ahrefs)89
Total Keywords947,630
Referring Domains147,040
Domain Age30 yrs
Traffic (Jun 2026)275,712,888
Traffic Trend
TechnologyUltraDNS
fandango.com
LanguageEnglish
DR (Ahrefs)86
Total Keywords1,557,350
Referring Domains62,892
Domain Age30 yrs
Traffic (Jun 2026)98,286,895
Traffic Trend
Technology
kbb.com
Language
DR (Ahrefs)89
Total Keywords2,005,220
Referring Domains86,770
Domain Age30 yrs
Traffic (Jun 2026)84,995,643
Traffic Trend
TechnologyUltraDNS
ubereats.com
LanguageEnglish
DR (Ahrefs)92
Total Keywords3,826,446
Referring Domains71,403
Domain Age14 yrs
Traffic (Jun 2026)73,292,413
Traffic Trend
Technology
autotrader.com
Language
DR (Ahrefs)80
Total Keywords1,797,284
Referring Domains66,077
Domain Age31 yrs
Traffic (Jun 2026)54,644,605
Traffic Trend
Technology
history.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords1,240,072
Referring Domains219,307
Domain Age31 yrs
Traffic (Jun 2026)49,147,241
Traffic Trend
Technology
toyota.com
LanguageEnglish
DR (Ahrefs)86
Total Keywords410,760
Referring Domains48,920
Domain Age31 yrs
Traffic (Jun 2026)37,296,227
Traffic Trend
Technology
delta.com
LanguageEnglish
DR (Ahrefs)87
Total Keywords357,010
Referring Domains59,298
Domain Age32 yrs
Traffic (Jun 2026)33,740,091
Traffic Trend
TechnologyUltraDNS