u4labs.pro - robtex.com
u4labs.pro
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3034::ac43:c68a🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:24b8🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.36.184Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.198.138🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | dave.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b6d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c16d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:216d🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 108.162.193.109🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 172.64.33.109🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| A | 173.245.59.109🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | dave.ns.cloudflare.com | ||||||
| NS | lana.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ab6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lana.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0b6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | lana.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20b6🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | lana.ns.cloudflare.com | ||||||
| A | 108.162.192.182🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lana.ns.cloudflare.com | ||||||
| A | 172.64.32.182🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lana.ns.cloudflare.com | ||||||
| A | 173.245.58.182🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lana.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.36.184, 172.67.198.138 | ||||||
| IPv6 hints | 2606:4700:3034::ac43:c68a, 2606:4700:3035::6815:24b8 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=169, name=cloudflare-ech.com | ||||||
| SOA | dave.ns.cloudflare.comdns@cloudflare.com serial=2402042803 | ||||||
pro
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.pro.afilias-nst.info ⭐ | ||||||
| NS | a2.pro.afilias-nst.info | ||||||
| NS | b0.pro.afilias-nst.org | ||||||
| NS | b2.pro.afilias-nst.org | ||||||
| NS | c0.pro.afilias-nst.info | ||||||
| NS | d0.pro.afilias-nst.org | ||||||
| SOA | a0.pro.afilias-nst.infohostmaster@donuts.email serial=1777319570 | ||||||
Same first word
u4labs.pro |
Similar names
DNS History
6 records (6 active, 0 former)
●NSdave.ns.cloudflare.com2026-03-28 → 2026-04-27 · 2 obs
● 2026-04-27 20:13:24
●NSlana.ns.cloudflare.com2026-03-28 → 2026-04-27 · 2 obs
● 2026-04-27 20:13:24
●A104.21.36.1842026-03-28 → 2026-04-27 · 2 obs
● 2026-04-27 20:13:24
●A172.67.198.1382026-03-28 → 2026-04-27 · 2 obs
● 2026-04-27 20:13:24
●A2606:4700:3034::ac43:c68a2026-03-28 → 2026-04-27 · 2 obs
● 2026-04-27 20:13:24
●A2606:4700:3035::6815:24b82026-03-28 → 2026-04-27 · 2 obs
● 2026-04-27 20:13:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pro | a2.pro.afilias-nst.info, b0.pro.afilias-nst.org, d0.pro.afilias-nst.org, c0.pro.afilias-nst.info... | - |
| u4labs.pro | dave.ns.cloudflare.com, lana.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.109
NS records: dave.ns.cloudflare.com, lana.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for u4labs.pro (unsigned zone)
⏱️ Timing
Total: 287ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.36.184, 172.67.198.138 |
| AAAA | 2 | 2606:4700:3034::ac43:c68a, 2606:4700:3035::6815:24b8 |
| NS | 2 | dave.ns.cloudflare.com, lana.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | dave.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
u4labs.pro points to four IP numbers: 2606:4700:3034::ac43:c68a, 2606:4700:3035::6815:24b8, 104.21.36.184 and 172.67.198.138.
Other host names, for instance aturnerphotography.com, elojoweb.com.ar, wednesdaynighthop.com, bqgib.cc and www.jgao.org share IP numbers with u4labs.pro.
Name Servers
u4labs.pro is delegated to two name servers: dave.ns.cloudflare.com and lana.ns.cloudflare.com.
u4labs.pro uses the same name server setup as other domains, for instance powertechsystems.eu, vaughansf.com, cecsearch.com, darudar.org and agbere.com.
u4labs.pro shares name servers with other domains at least partially, for instance zuc14changsfczuixinduizhenbiao.net.cn, dom2w.ru, corporatebackoffice.com.sg, sdzhyz.cn and jiebaobifenshoujibanjiubanbenxiazai.net.cn.
these name servers are often used with mimi.ns.cloudflare.com, dana.ns.cloudflare.com and gina.ns.cloudflare.com.
Host names with six IP numbers: dave.ns.cloudflare.com points to 2606:4700:58::adf5:3b6d, 2803:f800:50::6ca2:c16d, 2a06:98c1:50::ac40:216d, 108.162.193.109, 172.64.33.109 and 173.245.59.109; lana.ns.cloudflare.com points to 2606:4700:50::adf5:3ab6, 2803:f800:50::6ca2:c0b6, 2a06:98c1:50::ac40:20b6, 108.162.192.182, 172.64.32.182 and 173.245.58.182.