buildu.org - robtex.com
buildu.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:162d🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:caa7🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.22.45Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.202.167🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | damien.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2ca8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | damien.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3a8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | damien.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23a8🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | damien.ns.cloudflare.com | ||||||
| A | 108.162.195.168🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | damien.ns.cloudflare.com | ||||||
| A | 162.159.44.168Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | damien.ns.cloudflare.com | ||||||
| A | 172.64.35.168🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | damien.ns.cloudflare.com | ||||||
| NS | julissa.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2669🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | julissa.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c269🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | julissa.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2269🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | julissa.ns.cloudflare.com | ||||||
| A | 108.162.194.105🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | julissa.ns.cloudflare.com | ||||||
| A | 162.159.38.105Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | julissa.ns.cloudflare.com | ||||||
| A | 172.64.34.105🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | julissa.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.22.45, 172.67.202.167 | ||||||
| IPv6 | 2606:4700:3033::6815:162d, 2606:4700:3037::ac43:caa7 | ||||||
| SOA | damien.ns.cloudflare.comdns@cloudflare.com serial=2397528343 | ||||||
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1774417219 | ||||||
Same first word
buildu.org |
Similar names
DNS History
7 records (6 active, 1 former)
●NSdamien.ns.cloudflare.com2026-03-03 → 2026-03-25 · 2 obs
● 2026-03-25 06:12:48
●NSjulissa.ns.cloudflare.com2026-03-03 → 2026-03-25 · 2 obs
● 2026-03-25 06:12:48
●A104.21.22.452026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 06:12:48
○A172.64.80.12026-03-03 → 2026-03-03 · 2 obs
○ 2026-03-25 06:12:48
●A172.67.202.1672026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 06:12:48
●A2606:4700:3033::6815:162d2026-03-03 → 2026-03-25 · 2 obs
● 2026-03-25 06:12:48
●A2606:4700:3037::ac43:caa72026-03-03 → 2026-03-25 · 2 obs
● 2026-03-25 06:12:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| buildu.org | damien.ns.cloudflare.com, julissa.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.168
NS records: damien.ns.cloudflare.com, julissa.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for buildu.org (unsigned zone)
⏱️ Timing
Total: 360ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.22.45, 172.67.202.167 |
| AAAA | 2 | 2606:4700:3037::ac43:caa7, 2606:4700:3033::6815:162d |
| NS | 2 | damien.ns.cloudflare.com, julissa.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | damien.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
Four IP numbers are pointed to by buildu.org: 2606:4700:3033::6815:162d, 2606:4700:3037::ac43:caa7, 104.21.22.45 and 172.67.202.167.
other host names including webmastershall.com.cdn.cloudflare.net, coigarsam.com, 5831wan.com, www.imageresim.com and fayunpm.org share IP numbers with buildu.org.
Name Servers
buildu.org is delegated to two name servers damien.ns.cloudflare.com and julissa.ns.cloudflare.com.
buildu.org shares the same name server setup as other domains, for instance uhlkxs.com, gamersvil.com, zehyr.net, mobileid.am and ufa-nika.ru.
buildu.org at least partially shares name servers with other domains, for instance 26565.cn, geyuxu.com, td-lider.com, changylive.com and 51wiki.uk.
These name servers are commonly used alongside adi.ns.cloudflare.com and yew.ns.cloudflare.com.
Host names with six IP numbers:
Host name damien.ns.cloudflare.com points to: 2606:4700:58::a29f:2ca8, 2803:f800:50::6ca2:c3a8, 2a06:98c1:50::ac40:23a8, 108.162.195.168, 162.159.44.168 and 172.64.35.168.
Host name julissa.ns.cloudflare.com points to: 2606:4700:50::a29f:2669, 2803:f800:50::6ca2:c269, 2a06:98c1:50::ac40:2269, 108.162.194.105, 162.159.38.105 and 172.64.34.105.