Check-Host.cc

Top-Level Domain

.jp

Aggregated statistics for the top-level domain

Apex domains
we've enumerated
Subdomains seen
2,042,405
CT + DNS + brute
TLS certs
71,753
naming .jp
Hosting ASNs
15
distinct origins

Domain Distribution

Apex domains with the most known subdomains — large orgs, telecoms, hosters.
Apex Subdomains
mixh.jp 32,969
xsrv.jp 29,574
cfbx.jp 27,690
coreserver.jp 4,912
docomo.ne.jp 3,299
vs.sakura.ne.jp 3,069
stars.ne.jp 3,012
recruit.co.jp 2,428
xbiz.jp 2,329
megax.ne.jp 2,322
mufg.jp 2,286
nii.ac.jp 2,115
cloudfree.jp 2,086
rakuten.co.jp 2,056
mixcd24.jp 2,053
tsukuba.ac.jp 2,016
softbank.jp 1,967
biglobe.ne.jp 1,885
stylful.jp 1,748
yahoo.co.jp 1,628
geo.jp 1,607
bex.jp 1,560
jpsovereigncloud.jp 1,533
htmnet.ne.jp 1,526
wpx.jp 1,483
jetboy.jp 1,467
u-tokyo.ac.jp 1,458
so-net.ne.jp 1,369
commynavi-job20s.jp 1,352
twin.ne.jp 1,350
tokyo.lg.jp 1,344
pt7.jp 1,272
nagoya-u.ac.jp 1,265
1gr.jp 1,216
hobby-net.ne.jp 1,181
210.ne.jp 1,156
brazil.ne.jp 1,136
xrea.jp 1,119
estama.jp 1,086
seiryu.ne.jp 1,085
cuenote.jp 1,047
xdsl.ne.jp 1,037
online.jp 1,036
hoops.jp 1,033
blogmin.jp 1,009
kyoto-u.ac.jp 1,007
etius.jp 998
mynavi.jp 985
tohoku.ac.jp 977
colombia.jp 971

Top Certificate Issuers

Issuer (CA) Certs
Amazon 18,934
Let's Encrypt 10,174
DigiCert 7,639
GlobalSign 7,462
JPRS Domain Validation Authority - G4 5,142
Cybertrust Japan SureServer CA G4 2,502
WR3 1,705
Sectigo 1,224
Cybertrust Japan SureServer EV CA G3 1,072
NII Open Domain CA - G8 RSA 1,062
YR2 925
SECOM Passport for Web SR 3.0 CA 917
YR1 868
FujiSSL RSA Domain Validation Secure Server CA 2 805
NII Open Domain CA - G7 RSA 722

Top Hosting ASNs

ASN Name .jp domains
AS131965 XSERVER 110,230
AS206834 104,499
AS16509 Amazon.com 85,781
AS7506 GMO Internet, Inc. 54,484
AS9371 SAKURA internet AS9371 44,207
AS13335 Cloudflare 31,505
AS7684 SAKURA-A 28,199
AS9370 SAKURA internet AS9370 22,567
AS37907 17,431
AS396982 Google Cloud 16,574
AS58791 GMO Internet West 16,548
AS4713 NTT Communications Corporation (OCN) 14,832
AS4694 IDC Frontier Inc. 14,115
AS9597 KDDI Web Communications 9,223
AS131921 GMO CLOUD 8,425

Tech-Stack Distribution

No Wappalyzer detections

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

Threat-intel hits

Feed Category Domains
openphish phishing 7
ℹ Coverage will improve significantly once CZDS zone-file access is granted for this TLD.