usor.app - robtex.com
usor.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:96b7🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:2867🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.40.103Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.150.183🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | karl.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3bbe🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | karl.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1be🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | karl.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21be🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | karl.ns.cloudflare.com | ||||||
| A | 108.162.193.190🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | karl.ns.cloudflare.com | ||||||
| A | 172.64.33.190🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | karl.ns.cloudflare.com | ||||||
| A | 173.245.59.190🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | karl.ns.cloudflare.com | ||||||
| NS | suzanne.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2657🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | suzanne.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c257🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | suzanne.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2257🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | suzanne.ns.cloudflare.com | ||||||
| A | 108.162.194.87🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | suzanne.ns.cloudflare.com | ||||||
| A | 162.159.38.87Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | suzanne.ns.cloudflare.com | ||||||
| A | 172.64.34.87🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | suzanne.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.40.103, 172.67.150.183 | ||||||
| IPv6 | 2606:4700:3032::ac43:96b7, 2606:4700:3035::6815:2867 | ||||||
| SOA | karl.ns.cloudflare.comdns@cloudflare.com serial=2399910732 | ||||||
app
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427 | ||||||
🔒 HSTS Preload (+subdomains)
Same first word
usor.app |
usor.org |
usor.cn |
usor.us |
usor.finance |
usor.net |
usor.click |
usor.com |
usor.co |
usor.eu |
usor.ro |
usor.pw |
usor.lat |
usor.nl |
usor.digital |
usor.trade |
Similar names
DNS History
6 records (6 active, 0 former)
●NSkarl.ns.cloudflare.com2026-03-14 → 2026-03-25 · 2 obs
● 2026-03-25 12:54:24
●NSsuzanne.ns.cloudflare.com2026-03-14 → 2026-03-25 · 2 obs
● 2026-03-25 12:54:24
●A104.21.40.1032026-03-14 → 2026-03-25 · 2 obs
● 2026-03-25 12:54:24
●A172.67.150.1832026-03-14 → 2026-03-25 · 2 obs
● 2026-03-25 12:54:24
●A2606:4700:3032::ac43:96b72026-03-14 → 2026-03-25 · 2 obs
● 2026-03-25 12:54:24
●A2606:4700:3035::6815:28672026-03-14 → 2026-03-25 · 2 obs
● 2026-03-25 12:54:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com... | - |
| usor.app | karl.ns.cloudflare.com, suzanne.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.87
NS records: karl.ns.cloudflare.com, suzanne.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for usor.app (unsigned zone)
⏱️ Timing
Total: 447ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.40.103, 172.67.150.183 |
| AAAA | 2 | 2606:4700:3035::6815:2867, 2606:4700:3032::ac43:96b7 |
| NS | 2 | karl.ns.cloudflare.com, suzanne.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | karl.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
usor.app resolves to four IP numbers: 2606:4700:3032::ac43:96b7, 2606:4700:3035::6815:2867, 104.21.40.103 and 172.67.150.183.
Other host names such as tljdbz.com, williamself.com, markupframework.org, huazhuang9.com and womenandtheirwork.org share IPs with usor.app.
Name Servers
usor.app is delegated to two name servers: karl.ns.cloudflare.com and suzanne.ns.cloudflare.com.
usor.app shares the same name server setup as vsdoo.com, xisumavoid.com, soulsideeclipse.com, zakazartistov.com.kz and hermitcraft.com.
usor.app at least partially shares name servers with other domains, for instance 1tamilblasters.company, 17375collinsave.com, casperocasinos.com, foodlooking.in and lehomelife.com.
These name servers are commonly used with steven.ns.cloudflare.com and tori.ns.cloudflare.com.
Host names with six IP numbers:
karl.ns.cloudflare.com points to 2606:4700:58::adf5:3bbe, 2803:f800:50::6ca2:c1be, 2a06:98c1:50::ac40:21be, 108.162.193.190, 172.64.33.190 and 173.245.59.190.
suzanne.ns.cloudflare.com points to 2606:4700:50::a29f:2657, 2803:f800:50::6ca2:c257, 2a06:98c1:50::ac40:2257, 108.162.194.87, 162.159.38.87 and 172.64.34.87.