51denuo.com - robtex.com

51denuo.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:91d8🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3033::6815:1c69🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.28.105Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.145.216🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSarmfazh.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c68🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarmfazh.ns.cloudflare.com
A2803:f800:50::6ca2:c368🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRarmfazh.ns.cloudflare.com
A2a06:98c1:50::ac40:2368🇺🇸 Cloudflare2a06:98c1:50::/45
PTRarmfazh.ns.cloudflare.com
A108.162.195.104🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarmfazh.ns.cloudflare.com
A162.159.44.104Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarmfazh.ns.cloudflare.com
A172.64.35.104🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRarmfazh.ns.cloudflare.com
NSviolet.ns.cloudflare.com
A2606:4700:50::adf5:3aed🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRviolet.ns.cloudflare.com
A2803:f800:50::6ca2:c0ed🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRviolet.ns.cloudflare.com
A2a06:98c1:50::ac40:20ed🇺🇸 Cloudflare2a06:98c1:50::/45
PTRviolet.ns.cloudflare.com
A108.162.192.237🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRviolet.ns.cloudflare.com
A172.64.32.237🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRviolet.ns.cloudflare.com
A173.245.58.237🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRviolet.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.28.105, 172.67.145.216
IPv6 hints2606:4700:3030::ac43:91d8, 2606:4700:3033::6815:1c69
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=126, name=cloudflare-ech.com
SOAarmfazh.ns.cloudflare.comdns@cloudflare.com serial=2407908336

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1785947249
rank #835036 globally
rank #354766 in the tld

Same first word

51denuo.com

DNS History

14 records (6 active, 8 former)

201820192020202120222023202420252026NSarmfazh.ns.cloudflare.comviolet.ns.cloudflare.comn1.xundns.comn2.xundns.comvip1.alidns.comvip2.alidns.comMXmxn.mxhichina.commxw.mxhichina.comA104.21.28.105172.67.145.2162606:4700:3030::ac43:91d82606:4700:3033::6815:1c69107.163.90.49121.42.145.100
●NSarmfazh.ns.cloudflare.com2026-08-04 → 2026-08-05 · 3 obs
○ 2026-06-11 15:40:48
● 2026-08-04 14:33:34
● 2026-08-05 16:33:32
○NSn1.xundns.com2026-06-11 → 2026-06-11 · 4 obs
○ 2017-08-11 05:37:44
● 2026-06-11 15:40:48
○ 2026-08-04 14:33:34
○ 2026-08-05 16:33:32
○NSn2.xundns.com2026-06-11 → 2026-06-11 · 4 obs
○ 2017-08-11 05:37:44
● 2026-06-11 15:40:48
○ 2026-08-04 14:33:34
○ 2026-08-05 16:33:32
●NSviolet.ns.cloudflare.com2026-08-04 → 2026-08-05 · 3 obs
○ 2026-06-11 15:40:48
● 2026-08-04 14:33:34
● 2026-08-05 16:33:32
○NSvip1.alidns.com2017-08-11 → 2017-08-11 · 3 obs
● 2017-08-11 05:37:44
○ 2026-06-11 15:40:48
○ 2026-08-05 16:33:32
○NSvip2.alidns.com2017-08-11 → 2017-08-11 · 3 obs
● 2017-08-11 05:37:44
○ 2026-06-11 15:40:48
○ 2026-08-05 16:33:32
○MXmxn.mxhichina.com2017-08-11 → 2017-08-11 · 3 obs
● 2017-08-11 05:37:44
○ 2026-06-11 15:40:48
○ 2026-08-05 16:33:32
○MXmxw.mxhichina.com2017-08-11 → 2017-08-11 · 3 obs
● 2017-08-11 05:37:44
○ 2026-06-11 15:40:48
○ 2026-08-05 16:33:32
●A104.21.28.1052026-08-04 → 2026-08-05 · 3 obs
○ 2026-06-11 15:40:48
● 2026-08-04 14:33:34
● 2026-08-05 16:33:32
○A107.163.90.492026-06-11 → 2026-06-11 · 4 obs
○ 2017-08-11 05:37:44
● 2026-06-11 15:40:48
○ 2026-08-04 14:33:34
○ 2026-08-05 16:33:32
○A121.42.145.1002017-08-11 → 2017-08-11 · 3 obs
● 2017-08-11 05:37:44
○ 2026-06-11 15:40:48
○ 2026-08-05 16:33:32
●A172.67.145.2162026-08-04 → 2026-08-05 · 3 obs
○ 2026-06-11 15:40:48
● 2026-08-04 14:33:34
● 2026-08-05 16:33:32
●A2606:4700:3030::ac43:91d82026-08-04 → 2026-08-05 · 3 obs
○ 2026-06-11 15:40:48
● 2026-08-04 14:33:34
● 2026-08-05 16:33:32
●A2606:4700:3033::6815:1c692026-08-04 → 2026-08-05 · 3 obs
○ 2026-06-11 15:40:48
● 2026-08-04 14:33:34
● 2026-08-05 16:33:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comm.gtld-servers.net, b.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net...-
51denuo.comviolet.ns.cloudflare.com, armfazh.ns.cloudflare.com12 records

✅ Authoritative Response

Server:162.159.44.104

NS records: violet.ns.cloudflare.com, armfazh.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51denuo.com (unsigned zone)

⏱️ Timing

Total: 108ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.28.105, 172.67.145.216
AAAA22606:4700:3033::6815:1c69, 2606:4700:3030::ac43:91d8
NS2armfazh.ns.cloudflare.com, violet.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1armfazh.ns.cloudflare.com dns.cloudflare

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (violet.ns.cloudflare.com, violet.ns.cloudflare.com, violet.ns.cloudflare.com...)

Analysis

IP Addresses

51denuo.com points to the four IP addresses 104.21.28.105, 172.67.145.216, 2606:4700:3030::ac43:91d8 and 2606:4700:3033::6815:1c69.

Two other host names, along with ziplex.com, mail.strudlhof.at and devacarpetcleaning.co.uk, also share IP numbers with 51denuo.com.

Name Servers

DNS delegation for 51denuo.com points to two name servers: armfazh.ns.cloudflare.com and violet.ns.cloudflare.com.

51denuo.com shares its NS records with other domains, for example chinaubing.com, china-security-expo.com, klbm.net and two others.

The name servers of 51denuo.com overlap at least partially with those of other domains — among them glorycasinostr.com, yufid.tv, newstaglive.com and two more.

These name servers commonly appear alongside the name servers reese.ns.cloudflare.com and ace.ns.cloudflare.com.

DNS names with 6 IP addresses:

armfazh.ns.cloudflare.com has IP addresses 108.162.195.104, 162.159.44.104 and 172.64.35.104, plus 3 other.

violet.ns.cloudflare.com has IP addresses 108.162.192.237, 172.64.32.237 and 173.245.58.237, plus 3 other.