www.knoxdevelopers.com - robtex.com

www.knoxdevelopers.com

DNSSEC⚠️ Not signed
A2606:4700:3031::ac43:c8a8🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:5a84🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.90.132Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.200.168🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.90.132, 172.67.200.168
IPv6 hints2606:4700:3031::ac43:c8a8, 2606:4700:3036::6815:5a84
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=247, name=cloudflare-ech.com

knoxdevelopers.com

DNSSEC🔒 Signed (DS record present)
A2606:4700:3031::ac43:c8a8🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::6815:5a84🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.90.132Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.200.168🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjoaquin.ns.cloudflare.com ⭐
NSthea.ns.cloudflare.com
MXroute1.mx.cloudflare.net ⭐
MXroute2.mx.cloudflare.net(73)
MXroute3.mx.cloudflare.net(98)
TXTbrevo-code:12aecca93212fd24af250111857cb03c
TXTgoogle-site-verification=EHo7Fg_xYRZBntZu2TghYBs3AFbVMvz_PPY7WDyrXMs
TXTv=spf1 include:_spf.mx.cloudflare.net ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.90.132, 172.67.200.168
IPv6 hints2606:4700:3031::ac43:c8a8, 2606:4700:3036::6815:5a84
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=247, name=cloudflare-ech.com
SOAjoaquin.ns.cloudflare.comdns@cloudflare.com serial=2408750521
⚠️ On DNS blocklist: tif

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DNS History

6 records (4 active, 2 former)

A104.21.90.132172.67.200.1682606:4700:3031::ac43:c8a82606:4700:3036::6815:5a842606:4700:3030::ac43:c8a82606:4700:3031::6815:5a84
●A104.21.90.1322026-05-23 → 2026-07-16 · 2 obs
● 2026-05-23 08:50:06
● 2026-07-16 00:16:10
●A172.67.200.1682026-05-23 → 2026-07-16 · 2 obs
● 2026-05-23 08:50:06
● 2026-07-16 00:16:10
○A2606:4700:3030::ac43:c8a82026-05-23 → 2026-05-23 · 3 obs
● 2026-05-23 08:50:06
○ 2026-07-05 01:43:50
○ 2026-07-16 00:16:10
○A2606:4700:3031::6815:5a842026-05-23 → 2026-05-23 · 3 obs
● 2026-05-23 08:50:06
○ 2026-07-05 01:43:50
○ 2026-07-16 00:16:10
●A2606:4700:3031::ac43:c8a82026-07-05 → 2026-07-16 · 3 obs
○ 2026-05-23 08:50:06
● 2026-07-05 01:43:50
● 2026-07-16 00:16:10
●A2606:4700:3036::6815:5a842026-07-05 → 2026-07-16 · 3 obs
○ 2026-05-23 08:50:06
● 2026-07-05 01:43:50
● 2026-07-16 00:16:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comb.gtld-servers.net, h.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net...-
knoxdevelopers.comthea.ns.cloudflare.com, joaquin.ns.cloudflare.com12 records

✅ Authoritative Response

Server:108.162.195.220

NS records: thea.ns.cloudflare.com, joaquin.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 396ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.90.132, 172.67.200.168
AAAA22606:4700:3031::ac43:c8a8, 2606:4700:3036::6815:5a84
HTTPS1{"priority":1,"target":".","alpn":["h3",

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

www.knoxdevelopers.com has four IP addresses: 104.21.90.132, 172.67.200.168, 2606:4700:3031::ac43:c8a8 and 2606:4700:3036::6815:5a84.

Two other host names, along with estagio.camarasaoleopoldo.rs.gov.br, xn---30-5cdozfc7ak5r.xn--p1ai and moviesflixhd.xyz, also share IP numbers with www.knoxdevelopers.com.