c4f.io - robtex.com

c4f.io

DNSSEC⚠️ Not signed
A2606:4700:3034::6815:c3a🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:c1b3🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.12.58Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.193.179🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSemerie.ns.cloudflare.com ⭐
A2606:4700:50::a29f:2673🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemerie.ns.cloudflare.com
A2803:f800:50::6ca2:c273🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRemerie.ns.cloudflare.com
A2a06:98c1:50::ac40:2273🇺🇸 Cloudflare2a06:98c1:50::/45
PTRemerie.ns.cloudflare.com
A108.162.194.115🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemerie.ns.cloudflare.com
A162.159.38.115Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemerie.ns.cloudflare.com
A172.64.34.115🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRemerie.ns.cloudflare.com
NSpete.ns.cloudflare.com
A2606:4700:58::adf5:3b88🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpete.ns.cloudflare.com
A2803:f800:50::6ca2:c188🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRpete.ns.cloudflare.com
A2a06:98c1:50::ac40:2188🇺🇸 Cloudflare2a06:98c1:50::/45
PTRpete.ns.cloudflare.com
A108.162.193.136🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpete.ns.cloudflare.com
A172.64.33.136🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpete.ns.cloudflare.com
A173.245.59.136🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRpete.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.12.58, 172.67.193.179
IPv6 hints2606:4700:3034::6815:c3a, 2606:4700:3035::ac43:c1b3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=154, name=cloudflare-ech.com
SOAemerie.ns.cloudflare.comdns@cloudflare.com serial=2411340632

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1786673459

Same first word

c4f.com
c4f.at
c4f.io
c4f.org
c4f.info
c4f.nl
c4f.biz
c4f.ch
c4f.de
c4f.co
c4f.pl
c4f.net
c4f.me

Similar names

cf4.org
cf4.de
4fc.org
4cf.ru
f4c.at
fc4.co.uk
f4c.no
cf4.top
f4c.de
fc4.me
f4c.com
f4c.co.uk
cf4.io
4cf.casino
fc4.com
4fc.co.za
4fc.de
f4c.com.mx
4fc.net
4cf.com
fc4.cn
fc4.ru
fc4.net
f4c.co
cf4.pro
f4c.es
4cf.eu
cf4.mobi
cf4.com
f4c.org
4cf.de
f4c.fr
4fc.ru
f4c.eu
fc4.de
4cf.net
4fc.com
4fc.cn
fc4.us
4fc.be
f4c.xyz
f4c.it
4cf.pl

DNS History

6 records (6 active, 0 former)

NSemerie.ns.cloudflare.compete.ns.cloudflare.comA104.21.12.58172.67.193.1792606:4700:3034::6815:c3a2606:4700:3035::ac43:c1b3
●NSemerie.ns.cloudflare.com2026-08-05 → 2026-08-14 · 2 obs
● 2026-08-05 19:06:32
● 2026-08-14 03:02:40
●NSpete.ns.cloudflare.com2026-08-05 → 2026-08-14 · 2 obs
● 2026-08-05 19:06:32
● 2026-08-14 03:02:40
●A104.21.12.582026-08-05 → 2026-08-14 · 2 obs
● 2026-08-05 19:06:32
● 2026-08-14 03:02:40
●A172.67.193.1792026-08-05 → 2026-08-14 · 2 obs
● 2026-08-05 19:06:32
● 2026-08-14 03:02:40
●A2606:4700:3034::6815:c3a2026-08-05 → 2026-08-14 · 2 obs
● 2026-08-05 19:06:32
● 2026-08-14 03:02:40
●A2606:4700:3035::ac43:c1b32026-08-05 → 2026-08-14 · 2 obs
● 2026-08-05 19:06:32
● 2026-08-14 03:02:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioc0.nic.io, a2.nic.io, a0.nic.io, b0.nic.io-
c4f.ioemerie.ns.cloudflare.com, pete.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.115

NS records: emerie.ns.cloudflare.com, pete.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for c4f.io (unsigned zone)

⏱️ Timing

Total: 423ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.193.179, 104.21.12.58
AAAA22606:4700:3035::ac43:c1b3, 2606:4700:3034::6815:c3a
NS2emerie.ns.cloudflare.com, pete.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1emerie.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

c4f.io resolves to four IP addresses: 104.21.12.58, 172.67.193.179, 2606:4700:3034::6815:c3a and 2606:4700:3035::ac43:c1b3.

Additional host names — www.homeknown.app, bqiu.cc, hangar.runway7.net and two others — share IP numbers with c4f.io.

Name Servers

c4f.io is delegated to two name servers: emerie.ns.cloudflare.com and pete.ns.cloudflare.com.

c4f.io shares its name server setup with other domains, including corteizfrance.co, cirkel2000.nl, asiadigicoin.org and two others.

c4f.io partially shares its NS delegation with several other domains, including absam.host, thesupportsite.com, kellybrosbuilders.com and two others.

These name servers often co-occur with the name servers guss.ns.cloudflare.com.

Host names with 6 IP numbers:

emerie.ns.cloudflare.com resolves to 108.162.194.115, 162.159.38.115, 172.64.34.115 and 3 other IP addresses.

pete.ns.cloudflare.com resolves to 108.162.193.136, 172.64.33.136, 173.245.59.136 and 3 other IP addresses.