516u.org - robtex.com
516u.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::6815:4d2d🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:cc79🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.77.45Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.204.121🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | agustin.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c5a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | agustin.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c35a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | agustin.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:235a🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | agustin.ns.cloudflare.com | ||||||
| A | 108.162.195.90🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | agustin.ns.cloudflare.com | ||||||
| A | 162.159.44.90Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | agustin.ns.cloudflare.com | ||||||
| A | 172.64.35.90🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | agustin.ns.cloudflare.com | ||||||
| NS | irena.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:264f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | irena.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c24f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | irena.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:224f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | irena.ns.cloudflare.com | ||||||
| A | 108.162.194.79🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | irena.ns.cloudflare.com | ||||||
| A | 162.159.38.79Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | irena.ns.cloudflare.com | ||||||
| A | 172.64.34.79🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | irena.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.77.45, 172.67.204.121 | ||||||
| IPv6 hints | 2606:4700:3033::6815:4d2d, 2606:4700:3033::ac43:cc79 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=28, name=cloudflare-ech.com | ||||||
| SOA | agustin.ns.cloudflare.comdns@cloudflare.com serial=2410194158 | ||||||
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=1785214206 | ||||||
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NSagustin.ns.cloudflare.com2026-06-08 → 2026-07-28 · 2 obs
● 2026-07-28 05:15:32
●NSirena.ns.cloudflare.com2026-06-08 → 2026-07-28 · 2 obs
● 2026-07-28 05:15:32
●A104.21.77.452026-06-08 → 2026-07-28 · 2 obs
● 2026-07-28 05:15:32
●A172.67.204.1212026-06-08 → 2026-07-28 · 2 obs
● 2026-07-28 05:15:32
○A2606:4700:3032::ac43:cc792026-06-08 → 2026-06-10 · 4 obs
● 2026-06-10 19:37:08
○ 2026-07-08 12:16:14
○ 2026-07-28 05:15:32
●A2606:4700:3033::6815:4d2d2026-07-08 → 2026-07-28 · 3 obs
● 2026-07-08 12:16:14
● 2026-07-28 05:15:32
●A2606:4700:3033::ac43:cc792026-07-08 → 2026-07-28 · 3 obs
● 2026-07-08 12:16:14
● 2026-07-28 05:15:32
○A2606:4700:3036::6815:4d2d2026-06-08 → 2026-06-10 · 4 obs
● 2026-06-10 19:37:08
○ 2026-07-08 12:16:14
○ 2026-07-28 05:15:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| 516u.org | agustin.ns.cloudflare.com, irena.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.194.79
NS records: agustin.ns.cloudflare.com, irena.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 516u.org (unsigned zone)
⏱️ Timing
Total: 330ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.77.45, 172.67.204.121 |
| AAAA | 2 | 2606:4700:3033::ac43:cc79, 2606:4700:3033::6815:4d2d |
| NS | 2 | agustin.ns.cloudflare.com, irena.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | agustin.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
516u.org directs to four IP numbers, which are 104.21.77.45, 172.67.204.121, 2606:4700:3033::6815:4d2d and 2606:4700:3033::ac43:cc79.
sc.gjtjv85c.com, mobileenvirowash.com, rca123.com plus two other host names have IP numbers in common with 516u.org.
Name Servers
DNS delegation for 516u.org points to two name servers: agustin.ns.cloudflare.com and irena.ns.cloudflare.com.
The name server configuration of 516u.org is shared with other domains, for instance 6eevip.com, 82b.org, patrickring.net and two others.
At least some of 516u.org's name servers are shared with other domains, for example 888p.rest, aiminimax.tech, v-dezhou.com and two more.
It is common for these name servers to be used in conjunction with the name servers sarah.ns.cloudflare.com, cartman.ns.cloudflare.com and izabella.ns.cloudflare.com.
Hosts with 6 IP addresses each:
agustin.ns.cloudflare.com has IP addresses 108.162.195.90, 162.159.44.90 and 172.64.35.90, plus 3 other.
irena.ns.cloudflare.com has IP addresses 108.162.194.79, 162.159.38.79 and 172.64.34.79, plus 3 other.