dr-u.co - robtex.com
dr-u.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:5325🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::ac43:d326🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.83.37Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.211.38🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | danica.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26bb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | danica.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2bb🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | danica.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22bb🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | danica.ns.cloudflare.com | ||||||
| A | 108.162.194.187🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | danica.ns.cloudflare.com | ||||||
| A | 162.159.38.187Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | danica.ns.cloudflare.com | ||||||
| A | 172.64.34.187🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | danica.ns.cloudflare.com | ||||||
| NS | rommy.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c14🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rommy.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c314🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | rommy.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2314🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | rommy.ns.cloudflare.com | ||||||
| A | 108.162.195.20🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rommy.ns.cloudflare.com | ||||||
| A | 162.159.44.20Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rommy.ns.cloudflare.com | ||||||
| A | 172.64.35.20🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rommy.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.83.37, 172.67.211.38 | ||||||
| IPv6 hints | 2606:4700:3033::6815:5325, 2606:4700:3035::ac43:d326 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=80, name=cloudflare-ech.com | ||||||
| SOA | danica.ns.cloudflare.comdns@cloudflare.com serial=2400926531 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759654128 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSdanica.ns.cloudflare.com2026-04-12 → 2026-05-09 · 2 obs
● 2026-05-09 20:42:50
●NSrommy.ns.cloudflare.com2026-04-12 → 2026-05-09 · 2 obs
● 2026-05-09 20:42:50
●A104.21.83.372026-04-12 → 2026-05-09 · 2 obs
● 2026-05-09 20:42:50
●A172.67.211.382026-04-12 → 2026-05-09 · 2 obs
● 2026-05-09 20:42:50
●A2606:4700:3033::6815:53252026-04-12 → 2026-05-09 · 2 obs
● 2026-05-09 20:42:50
●A2606:4700:3035::ac43:d3262026-04-12 → 2026-05-09 · 2 obs
● 2026-05-09 20:42:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | c.registrydns.co, b.registrydns.co, d.registrydns.co, a.registrydns.co | - |
| dr-u.co | danica.ns.cloudflare.com, rommy.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.20
NS records: danica.ns.cloudflare.com, rommy.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dr-u.co (unsigned zone)
⏱️ Timing
Total: 440ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.211.38, 104.21.83.37 |
| AAAA | 2 | 2606:4700:3033::6815:5325, 2606:4700:3035::ac43:d326 |
| NS | 2 | danica.ns.cloudflare.com, rommy.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | danica.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
dr-u.co maps to four IP numbers: 2606:4700:3033::6815:5325, 2606:4700:3035::ac43:d326, 104.21.83.37 and 172.67.211.38.
Other host names, for instance 3e20418a21f3.fnsicc.org, mainly.us.org, datarouting.de, www.pastadelanonna.cl and alphafm.com.br share IP numbers with dr-u.co.
Name Servers
Two name servers danica.ns.cloudflare.com and rommy.ns.cloudflare.com are delegated to dr-u.co.
dr-u.co uses the same name server configuration as other domains, such as zilwatch.io, hcmc100e.info, icaroshu.info, keonhacai78.net and buffganzen.nl.
dr-u.co at least partially shares name servers with other domains such as fantoast.net, hmvisa.com, sifangos.com, paxeavq.com and nerdpool.it.
These name servers are commonly used alongside nova.ns.cloudflare.com, ganz.ns.cloudflare.com and adam.ns.cloudflare.com.
Host names with six IP numbers: Host name danica.ns.cloudflare.com points to 2606:4700:50::a29f:26bb, 2803:f800:50::6ca2:c2bb, 2a06:98c1:50::ac40:22bb, 108.162.194.187, 162.159.38.187 and 172.64.34.187; host name rommy.ns.cloudflare.com points to 2606:4700:58::a29f:2c14, 2803:f800:50::6ca2:c314, 2a06:98c1:50::ac40:2314, 108.162.195.20, 162.159.44.20 and 172.64.35.20.