o2u.io - robtex.com
o2u.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:d484🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:5b51🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.91.81Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.212.132🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | alfred.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c83🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alfred.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c383🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | alfred.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2383🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | alfred.ns.cloudflare.com | ||||||
| A | 108.162.195.131🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alfred.ns.cloudflare.com | ||||||
| A | 162.159.44.131Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alfred.ns.cloudflare.com | ||||||
| A | 172.64.35.131🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alfred.ns.cloudflare.com | ||||||
| NS | zita.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3af3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0f3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20f3🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 108.162.192.243🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 172.64.32.243🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 173.245.58.243🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.91.81, 172.67.212.132 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:d484, 2606:4700:3035::6815:5b51 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=84, name=cloudflare-ech.com | ||||||
| SOA | alfred.ns.cloudflare.comdns@cloudflare.com serial=2411228511 | ||||||
io
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.io ⭐ | ||||||
| NS | a2.nic.io | ||||||
| NS | b0.nic.io | ||||||
| NS | c0.nic.io | ||||||
| SOA | a0.nic.iohostmaster@donuts.email serial=1786266549 | ||||||
rank #4957 in the tld
Same first word
Similar names
2uo.ch |
2uo.com |
2uo.de |
u2o.us |
ou2.ru |
2uo.es |
u2o.casino |
uo2.net |
uo2.de |
uo2.pl |
2uo.cn |
uo2.ru |
u2o.org |
ou2.com |
2ou.ir |
u2o.ru |
2ou.cn |
uo2.cc |
u2o.net |
u2o.cc |
ou2.net |
2ou.cc |
2uo.casino |
2ou.com |
2ou.de |
u2o.cn |
ou2.de |
uo2.com |
DNS History
10 records (6 active, 4 former)
●NSalfred.ns.cloudflare.com2026-08-05 → 2026-08-09 · 2 obs
● 2026-08-09 09:20:56
●NSzita.ns.cloudflare.com2026-08-05 → 2026-08-09 · 2 obs
● 2026-08-09 09:20:56
●A104.21.91.812026-08-09 → 2026-08-09 · 2 obs
● 2026-08-09 09:20:56
●A172.67.212.1322026-08-09 → 2026-08-09 · 2 obs
● 2026-08-09 09:20:56
○A188.114.96.02026-08-05 → 2026-08-05 · 2 obs
○ 2026-08-09 09:20:56
○A188.114.97.02026-08-05 → 2026-08-05 · 2 obs
○ 2026-08-09 09:20:56
●A2606:4700:3033::ac43:d4842026-08-09 → 2026-08-09 · 2 obs
● 2026-08-09 09:20:56
●A2606:4700:3035::6815:5b512026-08-09 → 2026-08-09 · 2 obs
● 2026-08-09 09:20:56
○A2a06:98c1:3120::2026-08-05 → 2026-08-05 · 2 obs
○ 2026-08-09 09:20:56
○A2a06:98c1:3121::2026-08-05 → 2026-08-05 · 2 obs
○ 2026-08-09 09:20:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a2.nic.io, c0.nic.io, a0.nic.io, b0.nic.io | - |
| o2u.io | zita.ns.cloudflare.com, alfred.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.35.131
NS records: zita.ns.cloudflare.com, alfred.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for o2u.io (unsigned zone)
⏱️ Timing
Total: 586ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.91.81, 172.67.212.132 |
| AAAA | 2 | 2606:4700:3035::6815:5b51, 2606:4700:3033::ac43:d484 |
| NS | 2 | alfred.ns.cloudflare.com, zita.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | alfred.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
o2u.io directs to four IP numbers, which are 104.21.91.81, 172.67.212.132, 2606:4700:3033::ac43:d484 and 2606:4700:3035::6815:5b51.
Among the host names that share IP numbers with o2u.io are profobr27.ru, forestryplan.com, dohivoqakuumindustries.digital and two others.
Name Servers
o2u.io uses two name servers for its delegation: alfred.ns.cloudflare.com and zita.ns.cloudflare.com.
o2u.io has the same name server delegation as a number of other domains, such as drb.gg, bft.vc, hijstrein.nl and two more.
At least some of o2u.io's name servers are shared with other domains, for example ongc.com.au, dyvmii.com, imenhost.com and two more.
These name servers tend to be deployed in combination with the name servers dawn.ns.cloudflare.com and ainsley.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
Hostname alfred.ns.cloudflare.com directs to 108.162.195.131, 162.159.44.131 and 172.64.35.131 along with 3 other IP addresses.
Hostname zita.ns.cloudflare.com directs to 108.162.192.243, 172.64.32.243 and 173.245.58.243 along with 3 other IP addresses.