buimanhduc.com - robtex.com
buimanhduc.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:bc24🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3032::6815:5937🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.89.55Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.188.36🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | alex.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b64🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c164🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2164🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| A | 108.162.193.100🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| A | 172.64.33.100🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| A | 173.245.59.100🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alex.ns.cloudflare.com | ||||||
| NS | nova.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2681🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c281🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2281🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| A | 108.162.194.129🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| A | 162.159.38.129Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| A | 172.64.34.129🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.89.55, 172.67.188.36 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:bc24, 2606:4700:3032::6815:5937 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=8, name=cloudflare-ech.com | ||||||
| SOA | alex.ns.cloudflare.comdns@cloudflare.com serial=2401477947 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776205752 | ||||||
Same first word
buimanhduc.com |
DNS History
11 records (6 active, 5 former)
●NSalex.ns.cloudflare.com2026-04-14 → 2026-04-14 · 3 obs
● 2026-04-14 15:48:26
● 2026-04-14 22:42:48
●NSnova.ns.cloudflare.com2026-04-14 → 2026-04-14 · 3 obs
● 2026-04-14 15:48:26
● 2026-04-14 22:42:48
○NSns-master.inet.vn2026-04-05 → 2026-04-05 · 3 obs
○ 2026-04-14 15:48:26
○ 2026-04-14 22:42:48
○NSns1.inet.vn2026-04-05 → 2026-04-05 · 3 obs
○ 2026-04-14 15:48:26
○ 2026-04-14 22:42:48
○NSns2.inet.vn2026-04-05 → 2026-04-05 · 3 obs
○ 2026-04-14 15:48:26
○ 2026-04-14 22:42:48
○NSns3.inet.vn2026-04-05 → 2026-04-05 · 3 obs
○ 2026-04-14 15:48:26
○ 2026-04-14 22:42:48
○A103.195.239.382026-04-05 → 2026-04-05 · 3 obs
○ 2026-04-14 15:48:26
○ 2026-04-14 22:42:48
●A104.21.89.552026-04-14 → 2026-04-14 · 3 obs
● 2026-04-14 15:48:26
● 2026-04-14 22:42:48
●A172.67.188.362026-04-14 → 2026-04-14 · 3 obs
● 2026-04-14 15:48:26
● 2026-04-14 22:42:48
●A2606:4700:3031::ac43:bc242026-04-14 → 2026-04-14 · 3 obs
● 2026-04-14 15:48:26
● 2026-04-14 22:42:48
●A2606:4700:3032::6815:59372026-04-14 → 2026-04-14 · 3 obs
● 2026-04-14 15:48:26
● 2026-04-14 22:42:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, c.gtld-servers.net... | - |
| buimanhduc.com | alex.ns.cloudflare.com, nova.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.100
NS records: alex.ns.cloudflare.com, nova.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for buimanhduc.com (unsigned zone)
⏱️ Timing
Total: 147ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.188.36, 104.21.89.55 |
| AAAA | 2 | 2606:4700:3032::6815:5937, 2606:4700:3031::ac43:bc24 |
| NS | 2 | alex.ns.cloudflare.com, nova.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | alex.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (alex.ns.cloudflare.com, alex.ns.cloudflare.com, alex.ns.cloudflare.com...)
Analysis
IP Addresses
buimanhduc.com maps to four IP numbers: 2606:4700:3031::ac43:bc24, 2606:4700:3032::6815:5937, 104.21.89.55 and 172.67.188.36.
Other host names, for instance shopluckyonline.net, nrucel.com, mailprovider.org, www.cheilch.org and theartoffoolishness.com share IP numbers with buimanhduc.com.
Name Servers
Two name servers alex.ns.cloudflare.com and nova.ns.cloudflare.com are delegated to buimanhduc.com.
buimanhduc.com uses the same name server configuration as other domains, such as eepzau.org, okyeu.com, fluyez.com, lotusx365.in and lovewalls.pl.
buimanhduc.com at least partially shares name servers with other domains such as giratango.net, ma-mouette.com, bijouxlasuperbe.com, jm-comic2.com and whooptunes.com.
These name servers are commonly used with rommy.ns.cloudflare.com and rudy.ns.cloudflare.com.
Host names with six IP numbers: Host name alex.ns.cloudflare.com points to 2606:4700:58::adf5:3b64, 2803:f800:50::6ca2:c164, 2a06:98c1:50::ac40:2164, 108.162.193.100, 172.64.33.100 and 173.245.59.100; host name nova.ns.cloudflare.com points to 2606:4700:50::a29f:2681, 2803:f800:50::6ca2:c281, 2a06:98c1:50::ac40:2281, 108.162.194.129, 162.159.38.129 and 172.64.34.129.