dfuc.cn - robtex.com

dfuc.cn

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:82fa🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:3ad🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.3.173Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.130.250🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdorthy.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3af9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A2803:f800:50::6ca2:c0f9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdorthy.ns.cloudflare.com
A2a06:98c1:50::ac40:20f9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdorthy.ns.cloudflare.com
A108.162.192.249🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A172.64.32.249🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
A173.245.58.249🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdorthy.ns.cloudflare.com
NSrayden.ns.cloudflare.com
A2606:4700:58::a29f:2ca3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrayden.ns.cloudflare.com
A2803:f800:50::6ca2:c3a3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRrayden.ns.cloudflare.com
A2a06:98c1:50::ac40:23a3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRrayden.ns.cloudflare.com
A108.162.195.163🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrayden.ns.cloudflare.com
A162.159.44.163Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrayden.ns.cloudflare.com
A172.64.35.163🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRrayden.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.3.173, 172.67.130.250
IPv6 hints2606:4700:3032::ac43:82fa, 2606:4700:3033::6815:3ad
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=161, name=cloudflare-ech.com
SOAdorthy.ns.cloudflare.comdns@cloudflare.com serial=2398371891

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034709030

Same first word

dfuc.ca
dfuc.cn

Similar names

fdcu.cn
cufd.cn
cdfu.net
udfc.org
ucfd.de
fucd.de
cdfu.org
ucfd.ca
udfc.top
fudc.net
cfdu.org
fucd.cn
dufc.de
ufdc.org
dufc.in
udfc.com
fdcu.com
fudc.de
dcfu.com
fcdu.com.br
dcuf.com
cufd.com
cudf.edu.mx
dfcu.net
ufcd.org
dfcu.com
fucd.com
udfc.ca
cdfu.com
fucd.net
cfdu.com
ucdf.org.tw
cudf.com
dfcu.org
ucdf.fr
dcuf.cn
ucfd.net
cfud.cn
cduf.com
fucd.pro
dufc.co
fcud.cn
ucdf.net
dcfu.org
ucdf.org
fucd.co.uk

DNS History

9 records (6 active, 3 former)

2017201820192020202120222023202420252026NSdorthy.ns.cloudflare.comrayden.ns.cloudflare.comdns1.iidns.comdns10.hichina.comdns9.hichina.comA104.21.3.173172.67.130.2502606:4700:3032::ac43:82fa2606:4700:3033::6815:3ad
○NSdns1.iidns.com2016-07-03 → 2016-07-03 · 3 obs
● 2016-07-03 04:33:24
○ 2017-03-13 01:50:46
○ 2026-04-25 02:20:36
○NSdns10.hichina.com2017-03-13 → 2017-03-13 · 4 obs
○ 2016-07-03 04:33:24
● 2017-03-13 01:50:46
○ 2026-04-17 15:04:46
○ 2026-04-25 02:20:36
○NSdns9.hichina.com2017-03-13 → 2017-03-13 · 4 obs
○ 2016-07-03 04:33:24
● 2017-03-13 01:50:46
○ 2026-04-17 15:04:46
○ 2026-04-25 02:20:36
●NSdorthy.ns.cloudflare.com2026-04-17 → 2026-04-25 · 3 obs
○ 2017-03-13 01:50:46
● 2026-04-17 15:04:46
● 2026-04-25 02:20:36
●NSrayden.ns.cloudflare.com2026-04-17 → 2026-04-25 · 3 obs
○ 2017-03-13 01:50:46
● 2026-04-17 15:04:46
● 2026-04-25 02:20:36
●A104.21.3.1732026-04-17 → 2026-04-25 · 2 obs
● 2026-04-17 15:04:46
● 2026-04-25 02:20:36
●A172.67.130.2502026-04-17 → 2026-04-25 · 2 obs
● 2026-04-17 15:04:46
● 2026-04-25 02:20:36
●A2606:4700:3032::ac43:82fa2026-04-17 → 2026-04-25 · 2 obs
● 2026-04-17 15:04:46
● 2026-04-25 02:20:36
●A2606:4700:3033::6815:3ad2026-04-17 → 2026-04-25 · 2 obs
● 2026-04-17 15:04:46
● 2026-04-25 02:20:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
dfuc.cndorthy.ns.cloudflare.com, rayden.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.35.163

NS records: dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dfuc.cn (unsigned zone)

⏱️ Timing

Total: 966ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.3.173, 172.67.130.250
AAAA22606:4700:3032::ac43:82fa, 2606:4700:3033::6815:3ad
NS2dorthy.ns.cloudflare.com, rayden.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dorthy.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

dfuc.cn points to four IP numbers: 2606:4700:3032::ac43:82fa, 2606:4700:3033::6815:3ad, 104.21.3.173 and 172.67.130.250.

Other host names, for instance 3shkury.ru, afinero.net, citiescu.org, www.xxmy-protect.pro and bhs-links-rf.xyz share IP numbers with dfuc.cn.

Name Servers

Delegation for dfuc.cn rests with two name servers, dorthy.ns.cloudflare.com and rayden.ns.cloudflare.com.

dfuc.cn shares the same name server setup as other domains, including exo659.com, njvcom.com, huanghelamp.com, yingshigyl.com and hfcom.cn.

dfuc.cn at least partially shares name servers with other domains, for instance betamotorbisiklet.com, jackpotjill.fun, 227227328.com, hendchina.com and mojaostroleka.com.

Host names with six IP numbers: dorthy.ns.cloudflare.com points to: 2606:4700:50::adf5:3af9, 2803:f800:50::6ca2:c0f9, 2a06:98c1:50::ac40:20f9, 108.162.192.249, 172.64.32.249 and 173.245.58.249. rayden.ns.cloudflare.com points to: 2606:4700:58::a29f:2ca3, 2803:f800:50::6ca2:c3a3, 2a06:98c1:50::ac40:23a3, 108.162.195.163, 162.159.44.163 and 172.64.35.163.