ftp.visioncourse.com - robtex.com

ftp.visioncourse.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:d01f🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:16fc🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.22.252Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.208.31🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.22.252, 172.67.208.31
IPv6 hints2606:4700:3032::ac43:d01f, 2606:4700:3036::6815:16fc
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=34, name=cloudflare-ech.com

visioncourse.com

DNSSEC⚠️ Not signed
A2606:4700:3032::ac43:d01f🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:16fc🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.22.252Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.208.31🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSingrid.ns.cloudflare.com ⭐
NSyichun.ns.cloudflare.com
MXvisioncourse-com.mail.protection.outlook.com ⭐
TXTv=spf1 include:outlook.com include:spf.protection.outlook.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.22.252, 172.67.208.31
IPv6 hints2606:4700:3032::ac43:d01f, 2606:4700:3036::6815:16fc
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=34, name=cloudflare-ech.com
SOAingrid.ns.cloudflare.comdns@cloudflare.com serial=2400075181

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DNS History

4 records (4 active, 0 former)

A104.21.22.252172.67.208.312606:4700:3032::ac43:d01f2606:4700:3036::6815:16fc
●A104.21.22.2522026-03-31 → 2026-04-24 · 2 obs
● 2026-03-31 23:11:18
● 2026-04-24 01:37:46
●A172.67.208.312026-03-31 → 2026-04-24 · 2 obs
● 2026-03-31 23:11:18
● 2026-04-24 01:37:46
●A2606:4700:3032::ac43:d01f2026-03-31 → 2026-04-24 · 2 obs
● 2026-03-31 23:11:18
● 2026-04-24 01:37:46
●A2606:4700:3036::6815:16fc2026-03-31 → 2026-04-24 · 2 obs
● 2026-03-31 23:11:18
● 2026-04-24 01:37:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
visioncourse.comingrid.ns.cloudflare.com, yichun.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.192.165

NS records: ingrid.ns.cloudflare.com, yichun.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for visioncourse.com (unsigned zone)

⏱️ Timing

Total: 88ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.208.31, 104.21.22.252
AAAA22606:4700:3036::6815:16fc, 2606:4700:3032::ac43:d01f
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (ingrid.ns.cloudflare.com, ingrid.ns.cloudflare.com, ingrid.ns.cloudflare.com...)

Analysis

IP Addresses

ftp.visioncourse.com maps to four IP numbers: 2606:4700:3032::ac43:d01f, 2606:4700:3036::6815:16fc, 104.21.22.252 and 172.67.208.31.

Other host names, for instance cambridgeblog.org, tjxffw.com, kazinobahis292.com, raicof.com and cgkray.frauenkulturhaus-harburg.de share IP numbers with ftp.visioncourse.com.