dudu.best - robtex.com

dudu.best

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:33c7🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:b980🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.51.199Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.185.128🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSdean.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b99🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdean.ns.cloudflare.com
A2803:f800:50::6ca2:c199🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdean.ns.cloudflare.com
A2a06:98c1:50::ac40:2199🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdean.ns.cloudflare.com
A108.162.193.153🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdean.ns.cloudflare.com
A172.64.33.153🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdean.ns.cloudflare.com
A173.245.59.153🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdean.ns.cloudflare.com
NSdell.ns.cloudflare.com
A2606:4700:50::adf5:3a5e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdell.ns.cloudflare.com
A2803:f800:50::6ca2:c05e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRdell.ns.cloudflare.com
A2a06:98c1:50::ac40:205e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRdell.ns.cloudflare.com
A108.162.192.94🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdell.ns.cloudflare.com
A172.64.32.94🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdell.ns.cloudflare.com
A173.245.58.94🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRdell.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.51.199, 172.67.185.128
IPv6 hints2606:4700:3031::6815:33c7, 2606:4700:3037::ac43:b980
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=202, name=cloudflare-ech.com
SOAdean.ns.cloudflare.comdns@cloudflare.com serial=2405930470

best

DNSSEC🔒 Signed (DS record present)
NSns0.centralnic.net ⭐
NSa.nic.best
NSb.nic.best
NSc.nic.best
NSd.nic.best
SOAns0.centralnic.nethostmaster@centralnic.net serial=1527251628

Same first word

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dudu.nl
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dudu.tv
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dudu.or.kr
dudu.coffee
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Similar names

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uudd.social
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duud.com

DNS History

8 records (6 active, 2 former)

NSdean.ns.cloudflare.comdell.ns.cloudflare.comA104.21.51.199172.67.185.1282606:4700:3031::6815:33c72606:4700:3037::ac43:b9802606:4700:3032::6815:33c72606:4700:3032::ac43:b980
●NSdean.ns.cloudflare.com2026-06-07 → 2026-07-19 · 2 obs
● 2026-06-07 11:01:04
● 2026-07-19 09:40:50
●NSdell.ns.cloudflare.com2026-06-07 → 2026-07-19 · 2 obs
● 2026-06-07 11:01:04
● 2026-07-19 09:40:50
●A104.21.51.1992026-06-07 → 2026-07-19 · 2 obs
● 2026-06-07 11:01:04
● 2026-07-19 09:40:50
●A172.67.185.1282026-06-07 → 2026-07-19 · 2 obs
● 2026-06-07 11:01:04
● 2026-07-19 09:40:50
●A2606:4700:3031::6815:33c72026-07-04 → 2026-07-19 · 3 obs
○ 2026-06-15 16:50:32
● 2026-07-04 12:17:06
● 2026-07-19 09:40:50
○A2606:4700:3032::6815:33c72026-06-07 → 2026-06-15 · 4 obs
● 2026-06-07 11:01:04
● 2026-06-15 16:50:32
○ 2026-07-04 12:17:06
○ 2026-07-19 09:40:50
○A2606:4700:3032::ac43:b9802026-06-07 → 2026-06-15 · 4 obs
● 2026-06-07 11:01:04
● 2026-06-15 16:50:32
○ 2026-07-04 12:17:06
○ 2026-07-19 09:40:50
●A2606:4700:3037::ac43:b9802026-07-04 → 2026-07-19 · 3 obs
○ 2026-06-15 16:50:32
● 2026-07-04 12:17:06
● 2026-07-19 09:40:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bestd.nic.best, b.nic.best, c.nic.best, a.nic.best8 records
dudu.bestdean.ns.cloudflare.com, dell.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.94

NS records: dean.ns.cloudflare.com, dell.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dudu.best (unsigned zone)

⏱️ Timing

Total: 336ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.185.128, 104.21.51.199
AAAA22606:4700:3031::6815:33c7, 2606:4700:3037::ac43:b980
NS2dean.ns.cloudflare.com, dell.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1dean.ns.cloudflare.com dns.cloudflare.co

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (d.nic.best, d.nic.best, b.nic.best...)

Analysis

IP Addresses

dudu.best has four IP addresses: 104.21.51.199, 172.67.185.128, 2606:4700:3031::6815:33c7 and 2606:4700:3037::ac43:b980.

Among the host names that share IP numbers with dudu.best are www.buybrus.com, bitter-shadow-71e5.hingloong.workers.dev, siakad.stimsurakarta.ac.id and two others.

Name Servers

dudu.best has two authoritative name servers — dean.ns.cloudflare.com and dell.ns.cloudflare.com.

dudu.best has the same name server delegation as a number of other domains, such as clarkedental.com.au, fatihelpatron.lol, kipi.online and two more.

dudu.best partially shares its NS delegation with several other domains, including ipohonline.biz, bdhlxz.com, tanienaklejanie.pl and two others.

These name servers regularly co-occur with the name servers peyton.ns.cloudflare.com, dane.ns.cloudflare.com and diva.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

dean.ns.cloudflare.com points to 108.162.193.153, 172.64.33.153, 173.245.59.153 and 3 other IP addresses.

dell.ns.cloudflare.com points to 108.162.192.94, 172.64.32.94, 173.245.58.94 and 3 other IP addresses.