busoffice.app - robtex.com
busoffice.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:db9a🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:18a3🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.24.163Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.219.154🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | deb.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a5c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | deb.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c05c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | deb.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:205c🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | deb.ns.cloudflare.com | ||||||
| A | 108.162.192.92🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | deb.ns.cloudflare.com | ||||||
| A | 172.64.32.92🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | deb.ns.cloudflare.com | ||||||
| A | 173.245.58.92🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | deb.ns.cloudflare.com | ||||||
| NS | khalid.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c35🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | khalid.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c335🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | khalid.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2335🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | khalid.ns.cloudflare.com | ||||||
| A | 108.162.195.53🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | khalid.ns.cloudflare.com | ||||||
| A | 162.159.44.53Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | khalid.ns.cloudflare.com | ||||||
| A | 172.64.35.53🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | khalid.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.24.163, 172.67.219.154 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:db9a, 2606:4700:3037::6815:18a3 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=228, name=cloudflare-ech.com | ||||||
| SOA | deb.ns.cloudflare.comdns@cloudflare.com serial=2409349889 | ||||||
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
busoffice.de |
busoffice.app |
busoffice.com |
busoffice.at |
Similar names
officebus.com |
officebus.de |
suboffice.eu |
suboffice.xyz |
suboffice.org |
officebus.in |
officesub.com |
suboffice.co.in |
suboffice.com |
suboffice.net |
officebus.com.br |
usboffice.kr |
officebus.net |
ubsoffice.com |
DNS History
10 records (6 active, 4 former)
●NSdeb.ns.cloudflare.com2026-07-26 → 2026-08-06 · 2 obs
● 2026-08-06 16:58:26
●NSkhalid.ns.cloudflare.com2026-07-26 → 2026-08-06 · 2 obs
● 2026-08-06 16:58:26
●A104.21.24.1632026-08-06 → 2026-08-06 · 2 obs
● 2026-08-06 16:58:26
●A172.67.219.1542026-08-06 → 2026-08-06 · 2 obs
● 2026-08-06 16:58:26
○A188.114.96.02026-07-26 → 2026-07-26 · 2 obs
○ 2026-08-06 16:58:26
○A188.114.97.02026-07-26 → 2026-07-26 · 2 obs
○ 2026-08-06 16:58:26
●A2606:4700:3033::ac43:db9a2026-08-06 → 2026-08-06 · 2 obs
● 2026-08-06 16:58:26
●A2606:4700:3037::6815:18a32026-08-06 → 2026-08-06 · 2 obs
● 2026-08-06 16:58:26
○A2a06:98c1:3120::2026-07-26 → 2026-07-26 · 2 obs
○ 2026-08-06 16:58:26
○A2a06:98c1:3121::2026-07-26 → 2026-07-26 · 2 obs
○ 2026-08-06 16:58:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| busoffice.app | khalid.ns.cloudflare.com, deb.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.35.53
NS records: khalid.ns.cloudflare.com, deb.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for busoffice.app (unsigned zone)
⏱️ Timing
Total: 1780ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.24.163, 172.67.219.154 |
| AAAA | 2 | 2606:4700:3037::6815:18a3, 2606:4700:3033::ac43:db9a |
| NS | 2 | deb.ns.cloudflare.com, khalid.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | deb.ns.cloudflare.com dns.cloudflare.com |
Analysis
IP Addresses
busoffice.app has four IP addresses: 104.21.24.163, 172.67.219.154, 2606:4700:3033::ac43:db9a and 2606:4700:3037::6815:18a3.
lendricklodge.com, claude-web.my-global-common-test-url.workers.dev, abeltowing.com and two other host names share IP numbers with busoffice.app.
Name Servers
busoffice.app is served by two delegated name servers, deb.ns.cloudflare.com and khalid.ns.cloudflare.com.
busoffice.app uses the same name servers as several other domains — among them platinumunblocker.com, wanzhao.top, fortup.vip and two more.
busoffice.app has at least partial name server overlap with other domains, such as mylovelyguys.com, lbjc.com.cn, penguin888.xyz and two others.
It is common to see these name servers used together with name servers hattie.ns.cloudflare.com and nolan.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
deb.ns.cloudflare.com carries IP addresses 108.162.192.92, 172.64.32.92 and 173.245.58.92, with 3 other addresses beyond those.
khalid.ns.cloudflare.com carries IP addresses 108.162.195.53, 162.159.44.53 and 172.64.35.53, with 3 other addresses beyond those.