usduc.icu - robtex.com
usduc.icu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.21.60.111Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.195.229🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | ali.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a3b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c03b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:203b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| A | 108.162.192.59🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| A | 172.64.32.59🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| A | 173.245.58.59🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ali.ns.cloudflare.com | ||||||
| NS | piers.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c10🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | piers.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c310🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | piers.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2310🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | piers.ns.cloudflare.com | ||||||
| A | 108.162.195.16🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | piers.ns.cloudflare.com | ||||||
| A | 162.159.44.16Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | piers.ns.cloudflare.com | ||||||
| A | 172.64.35.16🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | piers.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.60.111, 172.67.195.229 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=34, name=cloudflare-ech.com | ||||||
| SOA | ali.ns.cloudflare.comdns@cloudflare.com serial=2403682757 | ||||||
icu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.nic.icu | ||||||
| NS | b.nic.icu | ||||||
| NS | c.nic.icu | ||||||
| NS | d.nic.icu | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1778715902 | ||||||
Subdomains
www.usduc.icu |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSali.ns.cloudflare.com2026-05-09 → 2026-05-13 · 2 obs
● 2026-05-13 23:47:32
●NSpiers.ns.cloudflare.com2026-05-09 → 2026-05-13 · 2 obs
● 2026-05-13 23:47:32
●A104.21.60.1112026-05-09 → 2026-05-13 · 2 obs
● 2026-05-13 23:47:32
●A172.67.195.2292026-05-09 → 2026-05-13 · 2 obs
● 2026-05-13 23:47:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| icu | c.nic.icu, b.nic.icu, a.nic.icu, d.nic.icu | 8 records |
| usduc.icu | piers.ns.cloudflare.com, ali.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.32.59
NS records: piers.ns.cloudflare.com, ali.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usduc.icu (unsigned zone)
⏱️ Timing
Total: 1604ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.195.229, 104.21.60.111 |
| NS | 2 | ali.ns.cloudflare.com, piers.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | ali.ns.cloudflare.com dns.cloudflare.com |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.nic.icu, b.nic.icu, c.nic.icu...)
Analysis
Hierarchy
The parent of www.usduc.icu is usduc.icu.
IP Addresses
usduc.icu points to two IP numbers: 104.21.60.111 and 172.67.195.229.
Other host names, for instance xhermes.com, mx.wato.org, www.deadtide.com, iixo.cn and everifyu.com share IP numbers with usduc.icu.
Name Servers
usduc.icu is delegated to two name servers: ali.ns.cloudflare.com and piers.ns.cloudflare.com.
usduc.icu uses the same name server setup as other domains, for instance srp31k4nap.cc, tap39472ou.cc, sap26180uj.cc, ap0353.cc and ap0464.cc.
usduc.icu shares name servers with other domains at least partially, for instance newportltd.com, score-radar.com, pontomedico.com.br, datavidx.online and blevinsinc.com.
these name servers are often used together with the name servers tricia.ns.cloudflare.com.
Host names with six IP numbers: ali.ns.cloudflare.com points to 2606:4700:50::adf5:3a3b, 2803:f800:50::6ca2:c03b, 2a06:98c1:50::ac40:203b, 108.162.192.59, 172.64.32.59 and 173.245.58.59; piers.ns.cloudflare.com points to 2606:4700:58::a29f:2c10, 2803:f800:50::6ca2:c310, 2a06:98c1:50::ac40:2310, 108.162.195.16, 162.159.44.16 and 172.64.35.16.