uistud.io - robtex.com
uistud.io
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:2e2f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3031::ac43:dfa1🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.46.47Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.223.161🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | sierra.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26f5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2f5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22f5🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sierra.ns.cloudflare.com | ||||||
| A | 108.162.194.245🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 162.159.38.245Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| A | 172.64.34.245🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | tom.ns.cloudflare.com | ||||||
| A | 2606:4700:58::adf5:3b93🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tom.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c193🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | tom.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2193🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | tom.ns.cloudflare.com | ||||||
| A | 108.162.193.147🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tom.ns.cloudflare.com | ||||||
| A | 172.64.33.147🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tom.ns.cloudflare.com | ||||||
| A | 173.245.59.147🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | tom.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.46.47, 172.67.223.161 | ||||||
| IPv6 hints | 2606:4700:3031::6815:2e2f, 2606:4700:3031::ac43:dfa1 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=80, name=cloudflare-ech.com | ||||||
| SOA | sierra.ns.cloudflare.comdns@cloudflare.com serial=2409772105 | ||||||
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=1784433407 | ||||||
Same first word
uistud.io |
Similar names
tusidu.com |
stuudi.com |
stuudi.de |
siudut.com |
tisudu.com |
suditu.cn |
studiu.de |
studiu.org |
idutsu.com |
studiu.net |
studiu.pt |
diutsu.net |
DNS History
6 records (6 active, 0 former)
●NSsierra.ns.cloudflare.com2026-07-14 → 2026-07-19 · 2 obs
● 2026-07-19 04:11:16
●NStom.ns.cloudflare.com2026-07-14 → 2026-07-19 · 2 obs
● 2026-07-19 04:11:16
●A104.21.46.472026-07-14 → 2026-07-19 · 2 obs
● 2026-07-19 04:11:16
●A172.67.223.1612026-07-14 → 2026-07-19 · 2 obs
● 2026-07-19 04:11:16
●A2606:4700:3031::6815:2e2f2026-07-14 → 2026-07-19 · 2 obs
● 2026-07-19 04:11:16
●A2606:4700:3031::ac43:dfa12026-07-14 → 2026-07-19 · 2 obs
● 2026-07-19 04:11:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| io | a0.nic.io, a2.nic.io, b0.nic.io, c0.nic.io | - |
| uistud.io | tom.ns.cloudflare.com, sierra.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.147
NS records: tom.ns.cloudflare.com, sierra.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for uistud.io (unsigned zone)
⏱️ Timing
Total: 388ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.223.161, 104.21.46.47 |
| AAAA | 2 | 2606:4700:3031::6815:2e2f, 2606:4700:3031::ac43:dfa1 |
| NS | 2 | sierra.ns.cloudflare.com, tom.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | sierra.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
uistud.io points to the four IP addresses 104.21.46.47, 172.67.223.161, 2606:4700:3031::6815:2e2f and 2606:4700:3031::ac43:dfa1.
kerasasentogel.com, petland.gr, sourceec.com.au and two other host names share IP numbers with uistud.io.
Name Servers
uistud.io is delegated to two name servers: sierra.ns.cloudflare.com and tom.ns.cloudflare.com.
uistud.io uses the same name servers as several other domains — among them foodman.in, tdielnieuws.nl, luisfer.me and two more.
The name servers of uistud.io overlap at least partially with those of other domains — among them rentalmanager.com, wavlyn.cfd, harrogate-it.net and two more.
These name servers commonly appear in combination with the name servers kia.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
sierra.ns.cloudflare.com resolves to 108.162.194.245, 162.159.38.245, 172.64.34.245 and 3 other IP addresses.
tom.ns.cloudflare.com resolves to 108.162.193.147, 172.64.33.147, 173.245.59.147 and 3 other IP addresses.