Is cf-emailsecurity.net or Microsoft 365 more popular?

Microsoft 365 is used by more websites in our catalog: 127 use cf-emailsecurity.net and 159,483 use Microsoft 365.

Does cf-emailsecurity.net or Microsoft 365 have higher-authority sites?

cf-emailsecurity.net sites have the higher median Ahrefs Domain Rating (cf-emailsecurity.net: 59, Microsoft 365: 34).

Is cf-emailsecurity.net or Microsoft 365 growing faster?

Between 2026-06 and 2026-07, cf-emailsecurity.net went from 0.02% to 0.01% of all tracked sites, while Microsoft 365 went from 21% to 18%. cf-emailsecurity.net is gaining ground faster in our index.

Can a site use both cf-emailsecurity.net and Microsoft 365?

No. A site runs a single email host, so cf-emailsecurity.net and Microsoft 365 are mutually exclusive.

Where does this cf-emailsecurity.net vs Microsoft 365 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 Microsoft 365 — Site Stats Database

cf-emailsecurity.net vs Microsoft 365

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	Microsoft 365
Websites	127	159,483
Market share	0.02%	22%
Share of top 10K sites	0.15%	23%

Share of top 100K sites	0.05%	24%

Rank	#142	#2

Median DR	59	34

Average DR	56	36

Median keywords	3,025	1,062

Median referring domains	1,559	469

Median domain age	21 yrs	19 yrs

Average domain age	20 yrs	18 yrs

Average monthly traffic	4,962,563	124,094

Combined monthly traffic	630,245,561	19,790,892,765

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

espn.com
LanguageEnglish
DR (Ahrefs)91
Total Keywords4,106,588
Referring Domains255,313
Domain Age31 yrs
Traffic (Jun 2026)1,425,283,167
Traffic Trend
TechnologyMicrosoft 365
mlb.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords1,403,577
Referring Domains165,017
Domain Age31 yrs
Traffic (Jun 2026)376,727,145
Traffic Trend
TechnologyMicrosoft 365
adobe.com
LanguageEnglish
DR (Ahrefs)96
Total Keywords4,590,632
Referring Domains1,640,623
Domain Age39 yrs
Traffic (Jun 2026)293,123,914
Traffic Trend
Technology
healthline.com
LanguageEnglish
DR (Ahrefs)92
Total Keywords7,041,614
Referring Domains458,961
Domain Age21 yrs
Traffic (Jun 2026)220,346,497
Traffic Trend
Technology
microsoft.com
LanguageEnglish
DR (Ahrefs)96
Total Keywords3,038,378
Referring Domains2,803,353
Domain Age35 yrs
Traffic (Jun 2026)168,600,293
Traffic Trend
Technology
ca.gov
LanguageEnglish
DR (Ahrefs)93
Total Keywords3,288,410
Referring Domains475,784
Domain Age28 yrs
Traffic (Jun 2026)136,738,647
Traffic Trend
TechnologyMicrosoft 365
lowes.com
LanguageEnglish
DR (Ahrefs)88
Total Keywords4,826,414
Referring Domains158,334
Domain Age31 yrs
Traffic (Jun 2026)135,785,869
Traffic Trend
Technology
carfax.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords1,945,867
Referring Domains47,295
Domain Age28 yrs
Traffic (Jun 2026)125,863,196
Traffic Trend
Technology
akc.org
LanguageEnglish
DR (Ahrefs)90
Total Keywords655,094
Referring Domains78,973
Domain Age31 yrs
Traffic (Jun 2026)125,727,029
Traffic Trend
TechnologyMicrosoft 365
nps.gov
LanguageEnglish
DR (Ahrefs)92
Total Keywords1,563,784
Referring Domains315,622
Domain Age28 yrs
Traffic (Jun 2026)121,452,048
Traffic Trend
TechnologyMicrosoft 365