dduuapp.com - robtex.com
dduuapp.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:b31b🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::6815:23c9🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.35.201Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.179.27🇺🇸 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 | elma.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3a9a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | elma.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c09a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | elma.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:209a🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | elma.ns.cloudflare.com | ||||||
| A | 108.162.192.154🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | elma.ns.cloudflare.com | ||||||
| A | 172.64.32.154🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | elma.ns.cloudflare.com | ||||||
| A | 173.245.58.154🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | elma.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.35.201, 172.67.179.27 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:b31b, 2606:4700:3034::6815:23c9 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=157, name=cloudflare-ech.com | ||||||
| SOA | alex.ns.cloudflare.comdns@cloudflare.com serial=2402760996 | ||||||
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=1778327356 | ||||||
Same first word
dduuapp.com |
DNS History
6 records (6 active, 0 former)
●NSalex.ns.cloudflare.com2026-05-07 → 2026-05-09 · 2 obs
● 2026-05-09 12:15:06
●NSelma.ns.cloudflare.com2026-05-07 → 2026-05-09 · 2 obs
● 2026-05-09 12:15:06
●A104.21.35.2012026-05-07 → 2026-05-09 · 2 obs
● 2026-05-09 12:15:06
●A172.67.179.272026-05-07 → 2026-05-09 · 2 obs
● 2026-05-09 12:15:06
●A2606:4700:3031::ac43:b31b2026-05-07 → 2026-05-09 · 2 obs
● 2026-05-09 12:15:06
●A2606:4700:3034::6815:23c92026-05-07 → 2026-05-09 · 2 obs
● 2026-05-09 12:15:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| dduuapp.com | alex.ns.cloudflare.com, elma.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.100
NS records: alex.ns.cloudflare.com, elma.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dduuapp.com (unsigned zone)
⏱️ Timing
Total: 141ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.179.27, 104.21.35.201 |
| AAAA | 2 | 2606:4700:3034::6815:23c9, 2606:4700:3031::ac43:b31b |
| NS | 2 | alex.ns.cloudflare.com, elma.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
dduuapp.com points to four IP numbers: 2606:4700:3031::ac43:b31b, 2606:4700:3034::6815:23c9, 104.21.35.201 and 172.67.179.27.
Other host names, for instance simplywrites.us, www.kola.vn, cxrfys.com, www.yibaiad.com and bdzyqspin.kola.vn share IP numbers with dduuapp.com.
Name Servers
dduuapp.com's delegation is to two name servers alex.ns.cloudflare.com and elma.ns.cloudflare.com.
dduuapp.com shares the same name server configuration as other domains, such as flymax.in, bbqpgapp.com, preetam.in, bodhvichar.com and ashraa.com.
dduuapp.com at least partially shares its name servers with other domains, for instance stateofdomains.com, centerdih.si, bonhamsandskinner.com, teco.co.nz and let(0x706f726e)tube.com.
These name servers are commonly used alongside brian.ns.cloudflare.com and vera.ns.cloudflare.com.
Host names with six IP numbers:
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.
elma.ns.cloudflare.com points to: 2606:4700:50::adf5:3a9a, 2803:f800:50::6ca2:c09a, 2a06:98c1:50::ac40:209a, 108.162.192.154, 172.64.32.154 and 173.245.58.154.