Is cf-emailsecurity.net or Rackspace Email more popular?

Rackspace Email is used by more websites in our catalog: 127 use cf-emailsecurity.net and 7,491 use Rackspace Email.

Does cf-emailsecurity.net or Rackspace Email have higher-authority sites?

cf-emailsecurity.net sites have the higher median Ahrefs Domain Rating (cf-emailsecurity.net: 59, Rackspace Email: 21).

Is cf-emailsecurity.net or Rackspace Email growing faster?

Between 2026-06 and 2026-07, cf-emailsecurity.net went from 0.02% to 0.01% of all tracked sites, while Rackspace Email went from 0.88% to 0.85%. cf-emailsecurity.net is gaining ground faster in our index.

Can a site use both cf-emailsecurity.net and Rackspace Email?

No. A site runs a single email host, so cf-emailsecurity.net and Rackspace Email are mutually exclusive.

Where does this cf-emailsecurity.net vs Rackspace Email 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.

cf-emailsecurity.net vs Rackspace Email — Site Stats Database

cf-emailsecurity.net vs Rackspace Email

A side-by-side comparison of two email hosting providers, based on the 736,999 Email Host sites tracked by Site Stats Database.

Last updated July 1, 2026

Metric	cf-emailsecurity.net	Rackspace Email
Websites	127	7,491
Market share	0.02%	1.0%
Share of top 10K sites	0.15%	0.43%

Share of top 100K sites	0.05%	0.78%

Rank	#142	#13

Median DR	59	21

Average DR	56	25

Median keywords	3,025	1,035

Median referring domains	1,559	280

Median domain age	21 yrs	17 yrs

Average domain age	20 yrs	17 yrs

Average monthly traffic	4,962,563	43,308

Combined monthly traffic	630,245,561	324,423,253

dictionary.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords3,387,790
Referring Domains129,246
Domain Age31 yrs
Traffic (Jun 2026)242,622,664
Traffic Trend
Technologycf-emailsecurity.net
vocabulary.com
LanguageEnglish
DR (Ahrefs)81
Total Keywords2,454,757
Referring Domains42,680
Domain Age29 yrs
Traffic (Jun 2026)192,093,469
Traffic Trend
Technology
spanishdict.com
LanguageEnglish
DR (Ahrefs)77
Total Keywords1,056,567
Referring Domains14,119
Domain Age27 yrs
Traffic (Jun 2026)106,219,521
Traffic Trend
Technology
teacherspayteachers.com
LanguageEnglish
DR (Ahrefs)88
Total Keywords1,350,550
Referring Domains164,957
Domain Age20 yrs
Traffic (Jun 2026)23,188,620
Traffic Trend
Technology
ingles.com
LanguageSpanish
DR (Ahrefs)68
Total Keywords629,758
Referring Domains5,272
Domain Age29 yrs
Traffic (Jun 2026)12,957,031
Traffic Trend
Technology
asu.edu
LanguageEnglish
DR (Ahrefs)90
Total Keywords407,275
Referring Domains150,022
Domain Age38 yrs
Traffic (Jun 2026)11,182,857
Traffic Trend
Technologycf-emailsecurity.net
cloudflare.com
LanguageEnglish
DR (Ahrefs)93
Total Keywords155,022
Referring Domains306,616
Domain Age17 yrs
Traffic (Jun 2026)5,718,688
Traffic Trend
Technology
ixl.com
LanguageEnglish
DR (Ahrefs)80
Total Keywords126,856
Referring Domains26,300
Domain Age31 yrs
Traffic (Jun 2026)5,294,067
Traffic Trend
Technologycf-emailsecurity.net
farmgirlflowers.com
LanguageEnglish
DR (Ahrefs)68
Total Keywords26,506
Referring Domains2,661
Domain Age16 yrs
Traffic (Jun 2026)3,861,738
Traffic Trend
Technology
ft.com
Language
DR (Ahrefs)92
Total Keywords462,198
Referring Domains413,578
Domain Age31 yrs
Traffic (Jun 2026)3,843,116
Traffic Trend
Technologycf-emailsecurity.net

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
dictionary.com	English	90	3,387,790	129,246	31 yrs	242,622,664		cf-emailsecurity.net

streetdirectory.com
LanguageEnglish
DR (Ahrefs)74
Total Keywords782,093
Referring Domains18,256
Domain Age26 yrs
Traffic (Jun 2026)18,720,875
Traffic Trend
TechnologyRackspace Email
wordsmyth.net
LanguageEnglish
DR (Ahrefs)61
Total Keywords565,735
Referring Domains6,670
Domain Age27 yrs
Traffic (Jun 2026)8,591,734
Traffic Trend
Technology
chemistrytalk.org
LanguageEnglish
DR (Ahrefs)46
Total Keywords88,295
Referring Domains2,050
Domain Age5 yrs
Traffic (Jun 2026)7,260,663
Traffic Trend
Technology
happycow.net
LanguageEnglish
DR (Ahrefs)78
Total Keywords335,939
Referring Domains34,753
Domain Age26 yrs
Traffic (Jun 2026)5,336,531
Traffic Trend
Technology
southernbite.com
LanguageEnglish
DR (Ahrefs)60
Total Keywords123,155
Referring Domains11,417
Domain Age16 yrs
Traffic (Jun 2026)5,256,271
Traffic Trend
Technology
sciencebuddies.org
Language
DR (Ahrefs)75
Total Keywords93,814
Referring Domains15,535
Domain Age24 yrs
Traffic (Jun 2026)4,144,179
Traffic Trend
Technology
12thman.com
LanguageEnglish
DR (Ahrefs)71
Total Keywords44,568
Referring Domains7,008
Domain Age25 yrs
Traffic (Jun 2026)3,714,992
Traffic Trend
Technology
catholic.org
LanguageEnglish
DR (Ahrefs)79
Total Keywords138,279
Referring Domains28,040
Domain Age31 yrs
Traffic (Jun 2026)2,985,572
Traffic Trend
Technology
laurafuentes.com
LanguageEnglish
DR (Ahrefs)65
Total Keywords145,481
Referring Domains6,791
Domain Age14 yrs
Traffic (Jun 2026)2,895,274
Traffic Trend
Technology
tourtexas.com
LanguageEnglish
DR (Ahrefs)64
Total Keywords70,155
Referring Domains4,201
Domain Age29 yrs
Traffic (Jun 2026)2,527,272
Traffic Trend
Technology