www.rapidcalculation.com - robtex.com
www.rapidcalculation.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:aaac🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:3f7b🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.63.123Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.170.172🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.63.123, 172.67.170.172 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:aaac, 2606:4700:3037::6815:3f7b | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=164, name=cloudflare-ech.com | ||||||
rapidcalculation.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:aaac🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:3f7b🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.63.123Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.170.172🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | adel.ns.cloudflare.com ⭐ | ||||||
| NS | darl.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.63.123, 172.67.170.172 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:aaac, 2606:4700:3037::6815:3f7b | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=164, name=cloudflare-ech.com | ||||||
| SOA | adel.ns.cloudflare.comdns@cloudflare.com serial=2407709858 | ||||||
Same first word
Similar names
DNS History
5 records (4 active, 1 former)
●A104.21.63.1232026-05-06 → 2026-07-20 · 2 obs
● 2026-05-06 21:48:38
● 2026-07-20 04:53:10
● 2026-07-20 04:53:10
●A172.67.170.1722026-05-06 → 2026-07-20 · 2 obs
● 2026-05-06 21:48:38
● 2026-07-20 04:53:10
● 2026-07-20 04:53:10
●A2606:4700:3030::ac43:aaac2026-05-06 → 2026-07-20 · 2 obs
● 2026-05-06 21:48:38
● 2026-07-20 04:53:10
● 2026-07-20 04:53:10
●A2606:4700:3037::6815:3f7b2026-05-06 → 2026-07-20 · 2 obs
● 2026-05-06 21:48:38
● 2026-07-20 04:53:10
● 2026-07-20 04:53:10
○CNAMErapidcalculation.com2018-05-16 → 2018-05-16 · 3 obs
● 2018-05-16 19:22:14
○ 2026-05-06 21:48:38
○ 2026-07-20 04:53:10
○ 2026-05-06 21:48:38
○ 2026-07-20 04:53:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net, b.gtld-servers.net... | - |
| rapidcalculation.com | adel.ns.cloudflare.com, darl.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.193.98
NS records: adel.ns.cloudflare.com, darl.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for rapidcalculation.com (unsigned zone)
⏱️ Timing
Total: 112ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.170.172, 104.21.63.123 |
| AAAA | 2 | 2606:4700:3037::6815:3f7b, 2606:4700:3030::ac43:aaac |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (adel.ns.cloudflare.com, adel.ns.cloudflare.com, adel.ns.cloudflare.com...)
Analysis
IP Addresses
www.rapidcalculation.com directs to four IP numbers, which are 104.21.63.123, 172.67.170.172, 2606:4700:3030::ac43:aaac and 2606:4700:3037::6815:3f7b.
Additional host names — davezeltserman.com, craftshopy.com, smartpropertywidget.com and two others — share IP numbers with www.rapidcalculation.com.