Check-Host.cc

Top-Level Domain

.ru

Aggregated statistics for the top-level domain

Apex domains
1,585,743
we've enumerated
Subdomains seen
6,742,472
CT + DNS + brute
TLS certs
94,731
naming .ru
Hosting ASNs
distinct origins

Domain Distribution

Apex domains with the most known subdomains — large orgs, telecoms, hosters.
Apex Subdomains
rusff.ru 46,644
e-odin.ru 43,285
crazedns.ru 23,102
fscp.ru 12,729
nerkuda.ru 10,467
dozenvpn.ru 9,577
segodnia.ru 9,339
radiokot.ru 8,682
yell.ru 8,116
digitalserv.ru 7,809
khogov.ru 7,607
favoritexpress.ru 7,106
pulttaxi.ru 6,715
chelyabinsk.ru 6,570
crodd.ru 6,327
fuji.ru 6,127
chel.ru 6,029
958888.ru 5,963
domconect.ru 5,909
10cek.ru 5,894
s0t.ru 5,782
pampadu.ru 5,755
uvauga.ru 5,722
lemoncraft.ru 5,484
photki.ru 5,467
mamavit.ru 5,317
pvpwar.ru 5,258
51bankrot.ru 5,201
lg-host.ru 5,139
abcndex.ru 5,130
aolnk.ru 5,108
gidro-sistema.ru 5,082
nahodyator.ru 5,065
obindex.ru 5,048
tehnomaxplus.ru 5,003
aircom24.ru 4,991
nahodun.ru 4,945
54e.ru 4,829
brandshop.ru 4,740
pergam.ru 4,724
hr-brand.ru 4,704
muzkult.ru 4,610
jour71.ru 4,592
yandex.ru 4,452
technosan.ru 4,414
happybirthdaytoyou.ru 4,399
azhurstal.ru 4,351
joyta.ru 4,347
informpskov.ru 4,328
geotree.ru 4,291

Top Certificate Issuers

Issuer (CA) Certs
Let's Encrypt 47,493
GlobalSign 12,935
YE2 6,798
YR1 6,709
YE1 6,706
YR2 6,567
Sectigo 264
DigiCert 254
Cloudflare 236
Russian Trusted Sub CA 224
AlphaSSL CA - SHA256 - G4 180
AlphaSSL CA - SHA256 - G2 169
wb.ru 138
HARICA DV TLS RSA 134
Sectigo (Comodo) 120

Top Hosting ASNs

No hosting attribution yet

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

Tech-Stack Distribution

No Wappalyzer detections

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

Threat-intel hits

Feed Category Domains
openphish phishing 55
ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.