u-office.app - robtex.com
u-office.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3037::6815:5378🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:afd2🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.83.120Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.175.210🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | jermaine.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c9d🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jermaine.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c39d🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | jermaine.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:239d🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | jermaine.ns.cloudflare.com | ||||||
| A | 108.162.195.157🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jermaine.ns.cloudflare.com | ||||||
| A | 162.159.44.157Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jermaine.ns.cloudflare.com | ||||||
| A | 172.64.35.157🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jermaine.ns.cloudflare.com | ||||||
| NS | khloe.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:268b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | khloe.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c28b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | khloe.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:228b🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | khloe.ns.cloudflare.com | ||||||
| A | 108.162.194.139🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | khloe.ns.cloudflare.com | ||||||
| A | 162.159.38.139Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | khloe.ns.cloudflare.com | ||||||
| A | 172.64.34.139🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | khloe.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.83.120, 172.67.175.210 | ||||||
| IPv6 hints | 2606:4700:3037::6815:5378, 2606:4700:3037::ac43:afd2 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=95, name=cloudflare-ech.com | ||||||
| SOA | jermaine.ns.cloudflare.comdns@cloudflare.com serial=2400966184 | ||||||
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
Similar names
DNS History
6 records (6 active, 0 former)
●NSjermaine.ns.cloudflare.com2026-04-11 → 2026-04-12 · 2 obs
● 2026-04-12 17:34:04
●NSkhloe.ns.cloudflare.com2026-04-11 → 2026-04-12 · 2 obs
● 2026-04-12 17:34:04
●A104.21.83.1202026-04-11 → 2026-04-12 · 2 obs
● 2026-04-12 17:34:04
●A172.67.175.2102026-04-11 → 2026-04-12 · 2 obs
● 2026-04-12 17:34:04
●A2606:4700:3037::6815:53782026-04-11 → 2026-04-12 · 2 obs
● 2026-04-12 17:34:04
●A2606:4700:3037::ac43:afd22026-04-11 → 2026-04-12 · 2 obs
● 2026-04-12 17:34:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | 10 records |
| u-office.app | jermaine.ns.cloudflare.com, khloe.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.34.139
NS records: jermaine.ns.cloudflare.com, khloe.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for u-office.app (unsigned zone)
⏱️ Timing
Total: 333ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.175.210, 104.21.83.120 |
| AAAA | 2 | 2606:4700:3037::6815:5378, 2606:4700:3037::ac43:afd2 |
| NS | 2 | jermaine.ns.cloudflare.com, khloe.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | jermaine.ns.cloudflare.com dns.cloudflar |
📌 Glue Records Collected
Total: 10
Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)
Analysis
IP Addresses
Four IP numbers are pointed to by u-office.app: 2606:4700:3037::6815:5378, 2606:4700:3037::ac43:afd2, 104.21.83.120 and 172.67.175.210.
other host names including ns54.hp5599.com, fixchocolatedesserts.com, chancefrog.com, 3d-logo.ir and cyberdome.ae share IP numbers with u-office.app.
Name Servers
u-office.app is delegated to two name servers jermaine.ns.cloudflare.com and khloe.ns.cloudflare.com.
u-office.app shares the same name server setup as other domains, for instance amimi2024.org, grupoflex.com.ar, 03x8a.com, aisindo.org and casinosurmobile.com.
u-office.app at least partially shares name servers with other domains, for instance dirigbiasi.rest, 4alltickets.es, lightvibes.org, spennhydro.rest and jzstyjc.com.
These name servers are commonly used with dalary.ns.cloudflare.com, kanye.ns.cloudflare.com and joyce.ns.cloudflare.com.
Host names with six IP numbers:
Host name jermaine.ns.cloudflare.com points to: 2606:4700:58::a29f:2c9d, 2803:f800:50::6ca2:c39d, 2a06:98c1:50::ac40:239d, 108.162.195.157, 162.159.44.157 and 172.64.35.157.
Host name khloe.ns.cloudflare.com points to: 2606:4700:50::a29f:268b, 2803:f800:50::6ca2:c28b, 2a06:98c1:50::ac40:228b, 108.162.194.139, 162.159.38.139 and 172.64.34.139.