ff.user-hub-engine.com - robtex.com

ff.user-hub-engine.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:ad07🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:5831🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.88.49Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.173.7🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.88.49, 172.67.173.7
IPv6 hints2606:4700:3030::ac43:ad07, 2606:4700:3035::6815:5831
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=113, name=cloudflare-ech.com

user-hub-engine.com

DNSSEC⚠️ Not signed
A2606:4700:3030::ac43:ad07🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:5831🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.88.49Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.173.7🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalan.ns.cloudflare.com ⭐
NScora.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.88.49, 172.67.173.7
IPv6 hints2606:4700:3030::ac43:ad07, 2606:4700:3035::6815:5831
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=113, name=cloudflare-ech.com
SOAalan.ns.cloudflare.comdns@cloudflare.com serial=2407387668
⚠️ On DNS blocklist: tif

Same first word

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ff.ac.me
ff.kz
ff.solutions
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ff.hu

DNS History

8 records (4 active, 4 former)

A104.21.88.49172.67.173.72606:4700:3030::ac43:ad072606:4700:3035::6815:5831188.114.96.0188.114.97.02a06:98c1:3120::2a06:98c1:3121::
●A104.21.88.492026-08-03 → 2026-08-03 · 2 obs
○ 2026-07-28 18:46:38
● 2026-08-03 21:02:22
●A172.67.173.72026-08-03 → 2026-08-03 · 2 obs
○ 2026-07-28 18:46:38
● 2026-08-03 21:02:22
○A188.114.96.02026-07-28 → 2026-07-28 · 2 obs
● 2026-07-28 18:46:38
○ 2026-08-03 21:02:22
○A188.114.97.02026-07-28 → 2026-07-28 · 2 obs
● 2026-07-28 18:46:38
○ 2026-08-03 21:02:22
●A2606:4700:3030::ac43:ad072026-08-03 → 2026-08-03 · 2 obs
○ 2026-07-28 18:46:38
● 2026-08-03 21:02:22
●A2606:4700:3035::6815:58312026-08-03 → 2026-08-03 · 2 obs
○ 2026-07-28 18:46:38
● 2026-08-03 21:02:22
○A2a06:98c1:3120::2026-07-28 → 2026-07-28 · 2 obs
● 2026-07-28 18:46:38
○ 2026-08-03 21:02:22
○A2a06:98c1:3121::2026-07-28 → 2026-07-28 · 2 obs
● 2026-07-28 18:46:38
○ 2026-08-03 21:02:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
user-hub-engine.comalan.ns.cloudflare.com, cora.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.57

NS records: alan.ns.cloudflare.com, cora.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for user-hub-engine.com (unsigned zone)

⏱️ Timing

Total: 203ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.173.7, 104.21.88.49
AAAA22606:4700:3030::ac43:ad07, 2606:4700:3035::6815:5831
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

ff.user-hub-engine.com has four IP addresses: 104.21.88.49, 172.67.173.7, 2606:4700:3030::ac43:ad07 and 2606:4700:3035::6815:5831.

christsongs.org, recidspvs.pro, b996bc.com plus two other host names have IP numbers in common with ff.user-hub-engine.com.