www.spatialfrequency.cfd - robtex.com

www.spatialfrequency.cfd

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:99a4🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:5a3e🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.90.62Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.153.164🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.90.62, 172.67.153.164
IPv62606:4700:3030::ac43:99a4, 2606:4700:3031::6815:5a3e

spatialfrequency.cfd

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:99a4🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::6815:5a3e🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.90.62Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.153.164🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmichelle.ns.cloudflare.com ⭐
NStrey.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4104.21.90.62, 172.67.153.164
IPv62606:4700:3030::ac43:99a4, 2606:4700:3031::6815:5a3e
SOAmichelle.ns.cloudflare.comdns@cloudflare.com serial=2399658127
⚠️ On DNS blocklist: pro.plus, ultimate
⚠️ On DNS blocklist: pro.plus, tif, ultimate

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DNS History

4 records (4 active, 0 former)

A104.21.90.62172.67.153.1642606:4700:3030::ac43:99a42606:4700:3031::6815:5a3e
●A104.21.90.622026-03-24 → 2026-03-25 · 2 obs
● 2026-03-24 00:25:18
● 2026-03-25 20:40:04
●A172.67.153.1642026-03-24 → 2026-03-25 · 2 obs
● 2026-03-24 00:25:18
● 2026-03-25 20:40:04
●A2606:4700:3030::ac43:99a42026-03-24 → 2026-03-25 · 2 obs
● 2026-03-24 00:25:18
● 2026-03-25 20:40:04
●A2606:4700:3031::6815:5a3e2026-03-24 → 2026-03-25 · 2 obs
● 2026-03-24 00:25:18
● 2026-03-25 20:40:04

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cfda.nic.cfd, b.nic.cfd, c.nic.cfd, d.nic.cfd-
spatialfrequency.cfdtrey.ns.cloudflare.com, michelle.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.201

NS records: trey.ns.cloudflare.com, michelle.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for spatialfrequency.cfd (unsigned zone)

⏱️ Timing

Total: 160ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.90.62, 172.67.153.164
AAAA22606:4700:3030::ac43:99a4, 2606:4700:3031::6815:5a3e
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

www.spatialfrequency.cfd maps to four IP numbers: 2606:4700:3030::ac43:99a4, 2606:4700:3031::6815:5a3e, 104.21.90.62 and 172.67.153.164.

Other host names, for instance turbas.lv, megastreammax.com, 89khh.com, appliancedoctors.net and quintadesantateresa.pt share IP numbers with www.spatialfrequency.cfd.