Websites using OpenSRS Email for email

0.92% route mail through OpenSRS Email 155K of 16.88 million domains that publish MX records, DNS sweep of Sep 2026

High-authority sites

Ordered by Open Page Rank, the domain's authority score from the open web link graph.

#	Website	OPROpen Page Rank
1	angelfire.com	8.49
2	libguides.com	8.31
3	requirejs.org	8.07
4	incompetech.com	7.99
5	highlightjs.org	7.94
6	libcal.com	7.91
7	m3aawg.org	7.76
8	lawyers.com	7.74
9	deccanchronicle.com	7.70
10	alpinejs.dev	7.46
11	desandro.com	7.44
12	itsalwaysautumn.com	7.44
13	exto.nl	7.41
14	registry.in	7.40
15	antlr.org	7.39
16	feedvalidator.org	7.37
17	gnuplot.info	7.21
18	battleforthenet.com	7.20
19	bakingamoment.com	7.19
20	opensrs.com	7.18
21	scmagazineuk.com	7.17
22	heartwormsociety.org	7.09
23	joincampaignzero.org	7.06
24	iupress.org	7.04
25	monkey.org	7.03
26	chomsky.info	7.02
27	freelogodesign.org	7.02
28	uniregistry.link	7.02
29	whatarecookies.com	7.02
30	wxxinews.org	7.02
31	ansirh.org	6.99
32	justinjackson.ca	6.98
33	webselfsite.net	6.95
34	bristolmuseums.org.uk	6.94
35	museums4all.org	6.94
36	skulpt.org	6.86
37	samsungknox.com	6.85
38	uk2.net	6.80
39	ryanholiday.net	6.76
40	thepetservicesweb.com	6.76
41	southernenvironment.org	6.73
42	designmantic.com	6.71
43	xmlrpc.com	6.71
44	floridagators.com	6.70
45	bizpal-perle.ca	6.69
46	citymax.com	6.69
47	forktospoon.com	6.67
48	meowni.ca	6.67
49	metric-conversions.org	6.66
50	milliescentedrocks.com	6.66
51	wocintechchat.com	6.65
52	ascio.com	6.64
53	chatwith.io	6.59
54	theinfo.org	6.58
55	animejs.com	6.57
56	newcity.com	6.57
57	builderspot.com	6.53
58	opml.org	6.51
59	tai-ji.net	6.51
60	twohealthykitchens.com	6.50
61	firewatchgame.com	6.48
62	melpa.org	6.48
63	terra.com.mx	6.48
64	designcode.io	6.47
65	frankchimero.com	6.47
66	perfectionkills.com	6.47
67	ridgid.eu	6.47
68	tucowsdomains.com	6.47
69	choosingwiselycanada.org	6.43
70	nationalreentryresourcecenter.org	6.42
71	vbspro.events	6.39
72	freedomteamapexmarketinggroup.com	6.37
73	logodesign.net	6.37
74	mastodonshare.com	6.37
75	bmwgroup-werke.com	6.36
76	h5py.org	6.36
77	texashighways.com	6.36
78	climatelinks.org	6.32
79	vhs80.com	6.32
80	noracooks.com	6.29
81	lennyletter.com	6.28
82	journalismtrustinitiative.org	6.26
83	kadenceblocks.com	6.24
84	pwc.ie	6.23
85	shopco.com	6.23
86	xunitpatterns.com	6.22
87	ciusssmcq.ca	6.21
88	nccmt.ca	6.15
89	csengineermag.com	6.11
90	global-lgbti.org	6.03
91	rebirthro.blog	6.01
92	seaairspace.org	6.01
93	simplystatistics.org	6.01
94	nutmegnanny.com	6.00
95	goodlifeeats.com	5.97
96	zilliondesigns.com	5.95
97	scottishparliament.tv	5.94
98	freepd.com	5.92
99	clearerthinking.org	5.89
100	litencyc.com	5.89

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Websites using OpenSRS Email for email

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