Is rackspace.com or UltraDNS more popular?

UltraDNS is used by more websites in our catalog: 1,450 use rackspace.com and 2,243 use UltraDNS.

Does rackspace.com or UltraDNS have higher-authority sites?

UltraDNS sites have the higher median Ahrefs Domain Rating (rackspace.com: 42, UltraDNS: 55).

Is rackspace.com or UltraDNS growing faster?

Between 2026-06 and 2026-07, rackspace.com went from 0.13% to 0.16% of all tracked sites, while UltraDNS went from 0.32% to 0.25%. rackspace.com is gaining ground faster in our index.

Can a site use both rackspace.com and UltraDNS?

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

Where does this rackspace.com 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.

rackspace.com vs UltraDNS — Site Stats Database

rackspace.com 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	rackspace.com	UltraDNS
Websites	1,450	2,243
Market share	0.17%	0.27%
Share of top 10K sites	0.40%	2.0%

Rank	#41	#27

Median DR	42	55

Average DR	41	50

Median keywords	2,087	2,426

Median referring domains	740	1,405

Median domain age	19 yrs	25 yrs

Average domain age	19 yrs	22 yrs

Average monthly traffic	176,414	1,414,555

Combined monthly traffic	255,800,446	3,172,847,481

justanswer.com
Language
DR (Ahrefs)76
Total Keywords8,415,430
Referring Domains51,512
Domain Age21 yrs
Traffic (Jun 2026)39,443,125
Traffic Trend
Technologyrackspace.com
orkin.com
LanguageEnglish
DR (Ahrefs)75
Total Keywords226,046
Referring Domains13,396
Domain Age31 yrs
Traffic (Jun 2026)16,528,902
Traffic Trend
Technologyrackspace.com
utsports.com
LanguageEnglish
DR (Ahrefs)71
Total Keywords71,925
Referring Domains8,830
Domain Age30 yrs
Traffic (Jun 2026)10,665,607
Traffic Trend
Technology
choosechicago.com
LanguageEnglish
DR (Ahrefs)79
Total Keywords162,075
Referring Domains24,490
Domain Age26 yrs
Traffic (Jun 2026)9,913,218
Traffic Trend
Technology
gamecocksonline.com
LanguageEnglish
DR (Ahrefs)69
Total Keywords45,980
Referring Domains8,321
Domain Age26 yrs
Traffic (Jun 2026)9,350,520
Traffic Trend
Technology
ukathletics.com
LanguageEnglish
DR (Ahrefs)71
Total Keywords39,938
Referring Domains10,238
Domain Age29 yrs
Traffic (Jun 2026)7,143,757
Traffic Trend
Technology
aspendental.com
LanguageEnglish
DR (Ahrefs)68
Total Keywords105,424
Referring Domains3,756
Domain Age28 yrs
Traffic (Jun 2026)7,056,118
Traffic Trend
Technology
uwbadgers.com
LanguageEnglish
DR (Ahrefs)72
Total Keywords45,303
Referring Domains8,098
Domain Age27 yrs
Traffic (Jun 2026)6,469,604
Traffic Trend
Technology
collegefootballplayoff.com
LanguageEnglish
DR (Ahrefs)71
Total Keywords16,016
Referring Domains7,271
Domain Age22 yrs
Traffic (Jun 2026)4,913,963
Traffic Trend
Technology
arizonawildcats.com
LanguageEnglish
DR (Ahrefs)70
Total Keywords38,042
Referring Domains7,518
Domain Age27 yrs
Traffic (Jun 2026)3,916,850
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
justanswer.com		76	8,415,430	51,512	21 yrs	39,443,125		rackspace.com

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