Is IONOS or office365.us more popular?

IONOS is used by more websites in our catalog: 7,789 use IONOS and 119 use office365.us.

Does IONOS or office365.us have higher-authority sites?

office365.us sites have the higher median Ahrefs Domain Rating (IONOS: 20, office365.us: 50).

Is IONOS or office365.us growing faster?

Between 2026-06 and 2026-07, IONOS went from 0.97% to 0.88% of all tracked sites, while office365.us went from 0.02% to 0.01%. office365.us is gaining ground faster in our index.

Can a site use both IONOS and office365.us?

No. A site runs a single email host, so IONOS and office365.us are mutually exclusive.

Where does this IONOS vs office365.us 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.

IONOS vs office365.us — Site Stats Database

IONOS vs office365.us

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	IONOS	office365.us
Websites	7,789	119
Market share	1.1%	0.02%
Share of top 10K sites	0.28%	0.02%
Share of top 100K sites

Rank	#12	#144

Median DR	20	50

Average DR	23	49

Median keywords	740	1,113

Median referring domains	262	872

Median domain age	14 yrs	24 yrs

Average domain age	15 yrs	21 yrs

Average monthly traffic	24,476	134,543

Combined monthly traffic	190,641,754	16,010,669

hymnary.org
LanguageEnglish
DR (Ahrefs)76
Total Keywords117,263
Referring Domains11,140
Domain Age18 yrs
Traffic (Jun 2026)4,772,622
Traffic Trend
TechnologyIONOS
globalgrasshopper.com
LanguageEnglish
DR (Ahrefs)56
Total Keywords34,335
Referring Domains5,752
Domain Age16 yrs
Traffic (Jun 2026)3,446,026
Traffic Trend
Technology
shabdkosh.com
LanguageEnglish
DR (Ahrefs)71
Total Keywords506,879
Referring Domains7,464
Domain Age22 yrs
Traffic (Jun 2026)3,091,148
Traffic Trend
Technology
playoffstatus.com
LanguageEnglish
DR (Ahrefs)45
Total Keywords38,733
Referring Domains2,460
Domain Age20 yrs
Traffic (Jun 2026)2,596,888
Traffic Trend
Technology
dickies.com
Language
DR (Ahrefs)71
Total Keywords80,796
Referring Domains6,617
Domain Age30 yrs
Traffic (Jun 2026)2,530,864
Traffic Trend
Technology
bachelorprint.com
LanguageEnglish
DR (Ahrefs)46
Total Keywords65,856
Referring Domains2,364
Domain Age11 yrs
Traffic (Jun 2026)2,498,336
Traffic Trend
Technology
workybooks.com
LanguageEnglish
DR (Ahrefs)19
Total Keywords114,432
Referring Domains211
Domain Age9 yrs
Traffic (Jun 2026)2,298,750
Traffic Trend
Technology
costumesupercenter.com
Language
DR (Ahrefs)52
Total Keywords52,686
Referring Domains2,654
Domain Age20 yrs
Traffic (Jun 2026)1,975,810
Traffic Trend
Technology
njweather.org
LanguageEnglish
DR (Ahrefs)39
Total Keywords8,820
Referring Domains929
Domain Age12 yrs
Traffic (Jun 2026)1,884,496
Traffic Trend
Technology
pigeonforge.com
Language
DR (Ahrefs)54
Total Keywords51,381
Referring Domains5,067
Domain Age30 yrs
Traffic (Jun 2026)1,859,433
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
hymnary.org	English	76	117,263	11,140	18 yrs	4,772,622		IONOS

militaryonesource.mil
LanguageEnglish
DR (Ahrefs)83
Total Keywords181,601
Referring Domains20,053
Domain Age
Traffic (Jun 2026)7,947,490
Traffic Trend
Technologyoffice365.us
dni.gov
LanguageEnglish
DR (Ahrefs)83
Total Keywords19,989
Referring Domains30,302
Domain Age21 yrs
Traffic (Jun 2026)1,073,314
Traffic Trend
Technologyoffice365.us
usmc-mccs.org
LanguageEnglish
DR (Ahrefs)74
Total Keywords35,685
Referring Domains6,557
Domain Age26 yrs
Traffic (Jun 2026)938,980
Traffic Trend
Technology
magpul.com
LanguageEnglish
DR (Ahrefs)70
Total Keywords16,248
Referring Domains4,618
Domain Age27 yrs
Traffic (Jun 2026)709,984
Traffic Trend
Technology
geaerospace.com
LanguageEnglish
DR (Ahrefs)77
Total Keywords34,978
Referring Domains9,000
Domain Age14 yrs
Traffic (Jun 2026)416,103
Traffic Trend
Technology
darpa.mil
LanguageEnglish
DR (Ahrefs)83
Total Keywords10,165
Referring Domains30,909
Domain Age
Traffic (Jun 2026)370,029
Traffic Trend
Technologyoffice365.us
bellflight.com
LanguageEnglish
DR (Ahrefs)74
Total Keywords7,351
Referring Domains5,379
Domain Age8 yrs
Traffic (Jun 2026)339,471
Traffic Trend
Technology
edmundoptics.com
LanguageEnglish
DR (Ahrefs)71
Total Keywords17,802
Referring Domains7,537
Domain Age26 yrs
Traffic (Jun 2026)323,504
Traffic Trend
Technology
anduril.com
LanguageEnglish
DR (Ahrefs)75
Total Keywords16,018
Referring Domains6,887
Domain Age22 yrs
Traffic (Jun 2026)293,324
Traffic Trend
Technology
mustangsurvival.com
LanguageEnglish
DR (Ahrefs)64
Total Keywords4,593
Referring Domains1,930
Domain Age31 yrs
Traffic (Jun 2026)255,542
Traffic Trend
Technology