Is Mailgun or registrar-servers.com more popular?

registrar-servers.com is used by more websites in our catalog: 3,061 use Mailgun and 4,623 use registrar-servers.com.

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

Mailgun sites have the higher median Ahrefs Domain Rating (Mailgun: 22, registrar-servers.com: 8).

Is Mailgun or registrar-servers.com growing faster?

Between 2026-06 and 2026-07, Mailgun went from 0.39% to 0.35% of all tracked sites, while registrar-servers.com went from 0.58% to 0.52%. Mailgun is gaining ground faster in our index.

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

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

Where does this Mailgun 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.

Mailgun vs registrar-servers.com — Site Stats Database

Mailgun 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	Mailgun	registrar-servers.com
Websites	3,061	4,623
Market share	0.42%	0.63%
Share of top 10K sites	0.22%	0.11%

Rank	#18	#15

Median DR	22	8

Average DR	26	15

Median keywords	944	595

Median referring domains	257	94

Median domain age	10 yrs	4 yrs

Average domain age	12 yrs	5 yrs

Average monthly traffic	62,087	16,601

Combined monthly traffic	190,048,319	76,748,227

substack.com
LanguageEnglish
DR (Ahrefs)94
Total Keywords5,643,513
Referring Domains561,764
Domain Age16 yrs
Traffic (Jun 2026)51,156,090
Traffic Trend
TechnologyMailgun
parcelsapp.com
LanguageEnglish
DR (Ahrefs)82
Total Keywords46,466
Referring Domains7,013
Domain Age9 yrs
Traffic (Jun 2026)8,698,554
Traffic Trend
Technology
thebestvpn.com
LanguageEnglish
DR (Ahrefs)69
Total Keywords4,925
Referring Domains3,124
Domain Age10 yrs
Traffic (Jun 2026)5,344,251
Traffic Trend
Technology
acouplecooks.com
LanguageEnglish
DR (Ahrefs)75
Total Keywords247,753
Referring Domains28,728
Domain Age15 yrs
Traffic (Jun 2026)5,195,000
Traffic Trend
Technology
epochconverter.com
LanguageEnglish
DR (Ahrefs)78
Total Keywords17,564
Referring Domains4,116
Domain Age19 yrs
Traffic (Jun 2026)3,641,187
Traffic Trend
Technology
mychart.org
LanguageEnglish
DR (Ahrefs)74
Total Keywords12,003
Referring Domains1,710
Domain Age21 yrs
Traffic (Jun 2026)3,529,039
Traffic Trend
Technology
ctvisit.com
LanguageEnglish
DR (Ahrefs)73
Total Keywords98,986
Referring Domains8,839
Domain Age21 yrs
Traffic (Jun 2026)3,399,412
Traffic Trend
Technology
howlongagogo.com
LanguageEnglish
DR (Ahrefs)56
Total Keywords91,572
Referring Domains7,172
Domain Age12 yrs
Traffic (Jun 2026)2,850,114
Traffic Trend
Technology
fortnite.gg
LanguageEnglish
DR (Ahrefs)67
Total Keywords64,744
Referring Domains5,551
Domain Age
Traffic (Jun 2026)2,753,110
Traffic Trend
Technology
edtechbooks.org
LanguageEnglish
DR (Ahrefs)68
Total Keywords29,557
Referring Domains3,489
Domain Age7 yrs
Traffic (Jun 2026)2,123,779
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
substack.com	English	94	5,643,513	561,764	16 yrs	51,156,090		Mailgun

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