pc.ff137.com - robtex.com

pc.ff137.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:37d🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:82b3🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.3.125Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.130.179🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.3.125, 172.67.130.179
IPv6 hints2606:4700:3032::6815:37d, 2606:4700:3036::ac43:82b3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=23, name=cloudflare-ech.com

ff137.com

DNSSEC⚠️ Not signed
A2606:4700:3032::6815:37d🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:82b3🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.3.125Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.130.179🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSstan.ns.cloudflare.com ⭐
NSzara.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.3.125, 172.67.130.179
IPv6 hints2606:4700:3032::6815:37d, 2606:4700:3036::ac43:82b3
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=23, name=cloudflare-ech.com
SOAstan.ns.cloudflare.comdns@cloudflare.com serial=2397983391

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DNS History

4 records (4 active, 0 former)

A104.21.3.125172.67.130.1792606:4700:3032::6815:37d2606:4700:3036::ac43:82b3
●A104.21.3.1252026-02-24 → 2026-04-03 · 2 obs
● 2026-02-24 19:19:04
● 2026-04-03 20:11:02
●A172.67.130.1792026-02-24 → 2026-04-03 · 2 obs
● 2026-02-24 19:19:04
● 2026-04-03 20:11:02
●A2606:4700:3032::6815:37d2026-02-24 → 2026-04-03 · 2 obs
● 2026-02-24 19:19:04
● 2026-04-03 20:11:02
●A2606:4700:3036::ac43:82b32026-02-24 → 2026-04-03 · 2 obs
● 2026-02-24 19:19:04
● 2026-04-03 20:11:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, a.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net...-
ff137.comzara.ns.cloudflare.com, stan.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.193.235

NS records: zara.ns.cloudflare.com, stan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ff137.com (unsigned zone)

⏱️ Timing

Total: 270ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.130.179, 104.21.3.125
AAAA22606:4700:3036::ac43:82b3, 2606:4700:3032::6815:37d
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

pc.ff137.com resolves to four IP numbers: 2606:4700:3032::6815:37d, 2606:4700:3036::ac43:82b3, 104.21.3.125 and 172.67.130.179.

other host names for instance www.0515xf.com, cdjingzhi.com, sfnby.com, chooseonesite.com and xtrades.net share IP numbers with pc.ff137.com.