Check-Host.cc

Top-Level Domain

.ca

Aggregated statistics for the top-level domain

Apex domains
1,532,200
we've enumerated
Subdomains seen
4,142,017
CT + DNS + brute
TLS certs
24,350
naming .ca
Hosting ASNs
distinct origins

Domain Distribution

Apex domains with the most known subdomains — large orgs, telecoms, hosters.
Apex Subdomains
mywhc.ca 32,891
royallepage.ca 21,863
bell.ca 11,582
getclear.ca 11,538
sheridanc.on.ca 8,168
gov.on.ca 7,230
itinerator.ca 5,735
ubc.ca 5,157
wpdns.ca 5,101
gouv.qc.ca 4,820
my3cx.ca 4,707
ucalgary.ca 4,146
shesgotleggz.ca 4,057
mcmaster.ca 4,048
uqam.ca 3,854
activeinmission.ca 3,752
ovh.ca 3,640
lucheto.ca 3,516
ualberta.ca 3,502
graphicandwebdesign.ca 2,979
barbasbellfires.ca 2,774
hblanarc.ca 2,706
barbas.ca 2,558
enclos.ca 2,536
modento.ca 2,419
remax.ca 2,411
mcgill.ca 2,316
utoronto.ca 2,271
uwo.ca 2,268
loblaw.ca 2,223
smallbizpros.ca 2,222
breezeprojects.ca 2,204
alberta.ca 2,170
conceptsff.ca 2,141
bnc.ca 2,080
baby.ca 2,030
ulaval.ca 2,004
go.ca 1,990
3cx.ca 1,961
cupe.ca 1,900
interfocos.ca 1,884
bellfires.ca 1,856
gov.bc.ca 1,816
ameliares.ca 1,777
thebranchrestaurant.ca 1,678
lives.ca 1,669
svyr.ca 1,565
costargta.ca 1,506
queensu.ca 1,505
schoolnet.ca 1,398

Top Certificate Issuers

Issuer (CA) Certs
Let's Encrypt 8,827
DigiCert 2,473
Amazon 2,297
Sectigo 1,780
YR2 1,183
YR1 1,152
GoDaddy 1,037
Entrust 883
GlobalSign 781
YE2 509
YE1 496
Cloudflare 222
WR3 181
GoDaddy (Starfield) 125
cPanel, Inc. Certification Authority 116

Top Hosting ASNs

No hosting attribution yet

Forward-DNS crawler hasn't resolved enough .ca apexes to BGP-attributable IPs.

Tech-Stack Distribution

No Wappalyzer detections

Body-fetcher hasn't covered enough .ca sites yet for stack patterns to emerge.

Threat-intel hits

Feed Category Domains
openphish phishing 8
ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.