Check-Host.cc

Top-Level Domain

.to

Aggregated statistics for the top-level domain

Apex domains
1,755,678
we've enumerated
Subdomains seen
2,267,020
CT + DNS + brute
TLS certs
2,183
naming .to
Hosting ASNs
15
distinct origins

Domain Distribution

Apex domains with the most known subdomains — large orgs, telecoms, hosters.
Apex Subdomains
mrqz.to 7,989
hcp.to 5,847
vipergirls.to 5,734
me.to 5,341
skladchik.to 3,469
f95zone.to 3,148
need.to 2,608
watchporn.to 2,599
timelog.to 2,518
22.to 2,073
asylumstresser.to 1,998
us.to 1,819
he.to 1,711
fsgo.to 1,655
you.to 1,524
databooter.to 1,375
r.to 1,186
kickme.to 1,169
sm.to 1,168
04.to 1,113
cside.to 983
03.to 954
have.to 953
24.to 947
46.to 940
3.to 930
hard.to 919
viper.to 911
19.to 890
82.to 877
44.to 874
h.to 858
hai.to 813
45.to 808
7.to 775
my.to 750
plctrmm.to 742
swee.to 737
94.to 736
imprint.to 736
had.to 699
d-net.to 696
bux.to 691
trip.to 687
work.to 686
clik.to 680
lovely.to 677
get.to 670
darknet.to 670
quickconect.to 658

Top Certificate Issuers

Issuer (CA) Certs
Let's Encrypt 1,397
Amazon 154
YE2 127
YE1 123
YR1 74
YR2 68
Sectigo 40
Cloudflare 27
DigiCert 21
WR3 18
GlobalSign 12
GoDaddy 9
ZeroSSL 8
Puppet CA: ufd1g-puppetmaster-1.gapt.to 3
Sectigo (Comodo) 3

Top Hosting ASNs

ASN Name .to domains
AS3320 Deutsche Telekom 49,157
AS3215 Orange France 26,726
AS3462 HiNet 24,892
AS3209 Vodafone Germany 24,510
AS16509 Amazon.com 21,289
AS7922 Comcast 21,088
AS12322 Free SAS 16,343
AS4766 KT Corporation (Korea Telecom) 15,996
AS7018 AT&T US - 7018 13,480
AS1136 KPN NL 11,989
AS3303 Swisscom 11,201
AS3352 Telefonica de España 11,185
AS701 Verizon 10,681
AS33915 Vodafone Libertel B.V. 9,724
AS47846 8,873

Tech-Stack Distribution

No Wappalyzer detections

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

Most-resolved apex domains

Apexes resolving to the most distinct A/AAAA records — popularity proxy.

Threat-intel hits

Feed Category Domains
openphish phishing 9
ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.