Is dfn.de or IONOS more popular?

IONOS is used by more websites in our catalog: 109 use dfn.de and 7,789 use IONOS.

Does dfn.de or IONOS have higher-authority sites?

dfn.de sites have the higher median Ahrefs Domain Rating (dfn.de: 74, IONOS: 20).

Is dfn.de or IONOS growing faster?

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

Can a site use both dfn.de and IONOS?

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

Where does this dfn.de vs IONOS 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.

dfn.de vs IONOS — Site Stats Database

dfn.de vs IONOS

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	dfn.de	IONOS
Websites	109	7,789
Market share	0.01%	1.1%
Share of top 10K sites	0.00%	0.28%
Share of top 100K sites

Rank	#150	#12

Median DR	74	20

Average DR	73	23

Median keywords	766	740

Median referring domains	5,766	262

Median domain age	20 yrs	14 yrs

Average domain age	20 yrs	15 yrs

Average monthly traffic	18,202	24,476

Combined monthly traffic	1,984,049	190,641,754

mpg.de
LanguageGerman
DR (Ahrefs)89
Total Keywords61,365
Referring Domains103,616
Domain Age
Traffic (Jun 2026)560,707
Traffic Trend
Technologydfn.de
astro4edu.org
LanguageEnglish
DR (Ahrefs)48
Total Keywords15,128
Referring Domains1,030
Domain Age6 yrs
Traffic (Jun 2026)262,741
Traffic Trend
Technology
smb.museum
LanguageGerman
DR (Ahrefs)81
Total Keywords4,741
Referring Domains20,447
Domain Age22 yrs
Traffic (Jun 2026)130,439
Traffic Trend
Technology
desy.de
LanguageGerman
DR (Ahrefs)77
Total Keywords7,742
Referring Domains11,479
Domain Age
Traffic (Jun 2026)107,045
Traffic Trend
Technologydfn.de
dwds.de
LanguageGerman
DR (Ahrefs)76
Total Keywords25,999
Referring Domains10,456
Domain Age
Traffic (Jun 2026)97,901
Traffic Trend
Technologydfn.de
dsmz.de
LanguageEnglish
DR (Ahrefs)72
Total Keywords7,492
Referring Domains3,431
Domain Age
Traffic (Jun 2026)63,362
Traffic Trend
Technologydfn.de
dblp.org
LanguageEnglish
DR (Ahrefs)80
Total Keywords11,991
Referring Domains15,607
Domain Age20 yrs
Traffic (Jun 2026)59,083
Traffic Trend
Technologydfn.de
tu.berlin
LanguageGerman
DR (Ahrefs)80
Total Keywords2,609
Referring Domains10,822
Domain Age11 yrs
Traffic (Jun 2026)41,952
Traffic Trend
Technologydfn.de
hhu.de
LanguageGerman
DR (Ahrefs)79
Total Keywords6,183
Referring Domains14,893
Domain Age
Traffic (Jun 2026)38,730
Traffic Trend
Technologydfn.de
mathunion.org
LanguageEnglish
DR (Ahrefs)73
Total Keywords1,789
Referring Domains5,409
Domain Age26 yrs
Traffic (Jun 2026)35,522
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
mpg.de	German	89	61,365	103,616		560,707		dfn.de

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