Host

104.21.3.76

Tags: CDN

As of our latest check on 2026-08-26, 104.21.3.76 (Cloudflare, Inc., AS13335, Canada) had 3 open ports (80, 8080, 8443) and no known CVEs.

Known CVEs on this host

3open ports
35names pointing here
0known CVEs
0known exploited

Open ports and CVEs as of our latest check of this host, 2026-08-26.

No known CVEs on this host.

Network
Cloudflare, Inc. AS13335
Open ports
80, 8080, 8443 · at our latest check, 2026-08-26
Location
Canada CA
Route
104.21.0.0/20 · announced by Cloudflare, Inc. AS13335 RPKI valid
Organisation
Cloudflare, Inc. · Content / hosting
Cloud
Cloudflare · cdn
Registry network
CLOUDFLARENET · 104.16.0.0 - 104.31.255.255 · Cloudflare, Inc. · ARIN
Abuse contact
[email protected] · for CLOUDFLARENET
First seen
2026-08-26 11:00 UTC
Last seen alive
2026-08-26 11:02 UTC
Hosted domains
35 names point here

Reputation

Not a Tor relay, not a VPN or privacy relay address, and not on a current public blocklist.

Services (3)

80/tcp HTTP cloudflare first 2026-08-26 · last 2026-08-26
Status
403 Forbidden
Server
cloudflare
Raw response
HTTP/1.1 403 Forbidden
Date: Wed, 26 Aug 2026 11:00:45 GMT
Content-Type: text/plain; charset=UTF-8
Content-Length: 17
Connection: keep-alive
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
X-Frame-Options: SAMEORIGIN
Server: cloudflare
CF-RAY: a31255a7fce9ebba-YYZ

error code: 1003
8080/tcp HTTP cloudflare first 2026-08-26 · last 2026-08-26
Status
403 Forbidden
Server
cloudflare
Raw response
HTTP/1.1 403 Forbidden
Date: Wed, 26 Aug 2026 11:00:44 GMT
Content-Type: text/plain; charset=UTF-8
Content-Length: 17
Connection: keep-alive
Cache-Control: private, max-age=0, no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Expires: Thu, 01 Jan 1970 00:00:01 GMT
Referrer-Policy: same-origin
X-Frame-Options: SAMEORIGIN
Server: cloudflare
CF-RAY: a31255a4591839d2-YYZ

error code: 1003
8443/tcp TLS first 2026-08-26 · last 2026-08-26
Raw response
(

Port history

Every port that has answered a connection on this address, and when. A port is listed as open above only when a service was identified on it. Times are UTC.

Hostnames pointing to this address

35 names · as answered by each domain's own name servers

gamle-danske-film.dkfirst seen 2026-10-03
www.gamle-danske-film.dkfirst seen 2026-10-03
landsbyerne-i-danmark.dkfirst seen 2026-10-02
tjekkiskfodbold.dkfirst seen 2026-10-02
gwest.fifirst seen 2026-10-02
www.gwest.fifirst seen 2026-10-02
kiilakeikka.fifirst seen 2026-10-02
*.kiilakeikka.fifirst seen 2026-10-02
spraydirect.iefirst seen 2026-10-03
cheapcampervans.isfirst seen 2026-10-03
*.cheapcampervans.isfirst seen 2026-10-06
webmail.cheapcampervans.isfirst seen 2026-10-03
www.cheapcampervans.isfirst seen 2026-10-03
muse.lifirst seen 2026-10-03
autosale.ltfirst seen 2026-10-01
*.autosale.ltfirst seen 2026-10-01
molta.mtfirst seen 2026-10-05
collaxan-ledd.nofirst seen 2026-10-04
mail.collaxan-ledd.nofirst seen 2026-10-03
www.collaxan-ledd.nofirst seen 2026-10-03
sub-horizon.nofirst seen 2026-10-02
www.sub-horizon.nofirst seen 2026-10-02
topptrykk.nofirst seen 2026-10-02
apimail.bjut.edu.rsfirst seen 2026-10-03
mail.bjut.edu.rsfirst seen 2026-10-03
pendelpro.sefirst seen 2026-10-03
*.pendelpro.sefirst seen 2026-10-03
apollonia.dn.uafirst seen 2026-10-07
autoconfig.cheapcampervans.isearlier · last seen 2026-10-06
cpanel.cheapcampervans.isearlier · last seen 2026-10-06
cpcalendars.cheapcampervans.isearlier · last seen 2026-10-06
cpcontacts.cheapcampervans.isearlier · last seen 2026-10-05
mail.cheapcampervans.isearlier · last seen 2026-10-05
sandbox.cheapcampervans.isearlier · last seen 2026-10-05
webdisk.cheapcampervans.isearlier · last seen 2026-10-05