Is Fastmail or registrar-servers.com more popular?

registrar-servers.com is used by more websites in our catalog: 1,580 use Fastmail and 4,623 use registrar-servers.com.

Does Fastmail or registrar-servers.com have higher-authority sites?

Fastmail sites have the higher median Ahrefs Domain Rating (Fastmail: 38, registrar-servers.com: 8).

Is Fastmail or registrar-servers.com growing faster?

Between 2026-06 and 2026-07, Fastmail went from 0.22% to 0.18% of all tracked sites, while registrar-servers.com went from 0.58% to 0.52%. Fastmail is gaining ground faster in our index.

Can a site use both Fastmail and registrar-servers.com?

No. A site runs a single email host, so Fastmail and registrar-servers.com are mutually exclusive.

Where does this Fastmail vs registrar-servers.com 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.

Fastmail vs registrar-servers.com — Site Stats Database

Fastmail vs registrar-servers.com

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	Fastmail	registrar-servers.com
Websites	1,580	4,623
Market share	0.21%	0.63%
Share of top 10K sites	0.22%	0.11%

Rank	#29	#15

Median DR	38	8

Average DR	39	15

Median keywords	1,068	595

Median referring domains	658	94

Median domain age	14 yrs	4 yrs

Average domain age	14 yrs	5 yrs

Average monthly traffic	125,785	16,601

Combined monthly traffic	198,740,517	76,748,227

urbandictionary.com
LanguageEnglish
DR (Ahrefs)88
Total Keywords1,252,919
Referring Domains139,201
Domain Age24 yrs
Traffic (Jun 2026)28,367,727
Traffic Trend
TechnologyFastmail
calculateme.com
LanguageEnglish
DR (Ahrefs)53
Total Keywords412,950
Referring Domains3,492
Domain Age20 yrs
Traffic (Jun 2026)28,052,433
Traffic Trend
Technology
emojipedia.org
LanguageEnglish
DR (Ahrefs)91
Total Keywords168,107
Referring Domains60,163
Domain Age12 yrs
Traffic (Jun 2026)18,954,965
Traffic Trend
Technology
dollartimes.com
LanguageEnglish
DR (Ahrefs)58
Total Keywords391,068
Referring Domains4,550
Domain Age20 yrs
Traffic (Jun 2026)17,120,455
Traffic Trend
Technology
mybib.com
LanguageEnglish
DR (Ahrefs)59
Total Keywords22,140
Referring Domains2,474
Domain Age22 yrs
Traffic (Jun 2026)14,671,199
Traffic Trend
TechnologyFastmail
scryfall.com
LanguageEnglish
DR (Ahrefs)78
Total Keywords192,490
Referring Domains10,218
Domain Age9 yrs
Traffic (Jun 2026)7,562,956
Traffic Trend
Technology
dateful.com
LanguageEnglish
DR (Ahrefs)80
Total Keywords43,868
Referring Domains7,448
Domain Age10 yrs
Traffic (Jun 2026)4,880,206
Traffic Trend
Technology
simplemaps.com
LanguageEnglish
DR (Ahrefs)77
Total Keywords206,661
Referring Domains3,680
Domain Age27 yrs
Traffic (Jun 2026)4,851,597
Traffic Trend
Technology
newyorkjets.com
LanguageEnglish
DR (Ahrefs)72
Total Keywords104,000
Referring Domains10,999
Domain Age30 yrs
Traffic (Jun 2026)4,845,259
Traffic Trend
Technology
puppies.com
LanguageEnglish
DR (Ahrefs)69
Total Keywords168,625
Referring Domains1,713
Domain Age27 yrs
Traffic (Jun 2026)4,125,103
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
urbandictionary.com	English	88	1,252,919	139,201	24 yrs	28,367,727		Fastmail

currenttimeutc.com
LanguageEnglish
DR (Ahrefs)6
Total Keywords44,476
Referring Domains375
Domain Age3 yrs
Traffic (Jun 2026)2,820,351
Traffic Trend
Technologyregistrar-servers.com
icdcodes.ai
Language
DR (Ahrefs)15
Total Keywords155,300
Referring Domains703
Domain Age1 yr
Traffic (Jun 2026)2,640,346
Traffic Trend
Technology
goto-restaurants.com
LanguageEnglish
DR (Ahrefs)53
Total Keywords516,971
Referring Domains1,055
Domain Age1 yr
Traffic (Jun 2026)2,211,020
Traffic Trend
Technology
slithergame.io
LanguageEnglish
DR (Ahrefs)53
Total Keywords3,616
Referring Domains1,885
Domain Age
Traffic (Jun 2026)1,714,766
Traffic Trend
Technology
bg3.wiki
LanguageEnglish
DR (Ahrefs)51
Total Keywords72,593
Referring Domains3,295
Domain Age4 yrs
Traffic (Jun 2026)1,417,526
Traffic Trend
Technologyregistrar-servers.com
tankathon.com
LanguageEnglish
DR (Ahrefs)60
Total Keywords45,089
Referring Domains4,451
Domain Age12 yrs
Traffic (Jun 2026)1,393,122
Traffic Trend
Technology
ratemycourses.io
LanguageEnglish
DR (Ahrefs)22
Total Keywords3,590
Referring Domains319
Domain Age5 yrs
Traffic (Jun 2026)1,170,997
Traffic Trend
Technology
wordswithfriendscheat.io
LanguageEnglish
DR (Ahrefs)27
Total Keywords2,890
Referring Domains671
Domain Age8 yrs
Traffic (Jun 2026)1,116,251
Traffic Trend
Technology
googlesnakemods.com
LanguageEnglish
DR (Ahrefs)35
Total Keywords749
Referring Domains531
Domain Age2 yrs
Traffic (Jun 2026)1,106,621
Traffic Trend
Technology
mapcomplete.org
LanguageEnglish
DR (Ahrefs)60
Total Keywords2,287
Referring Domains394
Domain Age2 yrs
Traffic (Jun 2026)1,085,753
Traffic Trend
Technology