dev.estudar.org.br - robtex.com

dev.estudar.org.br

DNSSEC⚠️ Not signed
A2606:4700:20::681a:88b🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::681a:98b🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::ac43:4703🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.8.139Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.9.139Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.71.3🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.26.8.139, 104.26.9.139, 172.67.71.3
IPv6 hints2606:4700:20::681a:88b, 2606:4700:20::681a:98b, 2606:4700:20::ac43:4703
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=101, name=cloudflare-ech.com

estudar.org.br

DNSSEC⚠️ Not signed
A2606:4700:20::681a:88b🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::681a:98b🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:20::ac43:4703🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.8.139Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.26.9.139Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.71.3🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSelsa.ns.cloudflare.com ⭐
NSphil.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXalt3.aspmx.l.google.com(10)
MXalt4.aspmx.l.google.com(10)
TXTgoogle-site-verification=41lGEdvQnIzauInuQ40dC7FKrlp5F84Ft0VON9yoPoQ
TXTgoogle-site-verification=7vmvwUMbFygeycHo3JZObe243gJtWb6VhJHAm2DKIqQ
TXTgoogle-site-verification=VFqshs7ULAvBXHHfhA9u47g9atf4a5PZ2p6nxirNhtY
TXTgoogle-site-verification=Z7nW6PUKB2uct3zT8zAGn-Gl-EPVVBR_O_sp4bsZ_fM
TXTgoogle-site-verification=v7md1EKGA94QufPVXlKLLNtAozLSglpe1_PYiV8dQDI
TXTv=spf1 include:_spf.google.com include:sendgrid.net include:_spf.rdstation.co...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.26.8.139, 104.26.9.139, 172.67.71.3
IPv6 hints2606:4700:20::681a:88b, 2606:4700:20::681a:98b, 2606:4700:20::ac43:4703
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=101, name=cloudflare-ech.com
SOAelsa.ns.cloudflare.comdns@cloudflare.com serial=2400323036
WOT: SAFE (60/100)
rank #504134 globally
rank #3799 in the tld
WOT: SAFE (61/100)

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DNS History

6 records (6 active, 0 former)

A104.26.8.139104.26.9.139172.67.71.32606:4700:20::681a:88b2606:4700:20::681a:98b2606:4700:20::ac43:4703
●A104.26.8.1392026-04-25 → 2026-05-09 · 2 obs
● 2026-04-25 03:46:56
● 2026-05-09 15:13:52
●A104.26.9.1392026-04-25 → 2026-05-09 · 2 obs
● 2026-04-25 03:46:56
● 2026-05-09 15:13:52
●A172.67.71.32026-04-25 → 2026-05-09 · 2 obs
● 2026-04-25 03:46:56
● 2026-05-09 15:13:52
●A2606:4700:20::681a:88b2026-04-25 → 2026-05-09 · 2 obs
● 2026-04-25 03:46:56
● 2026-05-09 15:13:52
●A2606:4700:20::681a:98b2026-04-25 → 2026-05-09 · 2 obs
● 2026-04-25 03:46:56
● 2026-05-09 15:13:52
●A2606:4700:20::ac43:47032026-04-25 → 2026-05-09 · 2 obs
● 2026-04-25 03:46:56
● 2026-05-09 15:13:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
bra.dns.br, b.dns.br, c.dns.br, d.dns.br...-
estudar.org.brelsa.ns.cloudflare.com, phil.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.111

NS records: elsa.ns.cloudflare.com, phil.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for estudar.org.br (unsigned zone)

⏱️ Timing

Total: 485ms | Queries: -

📄 Records

TypeCountSample Data
A3172.67.71.3, 104.26.9.139...
AAAA32606:4700:20::681a:98b, 2606:4700:20::681a:88b...
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

dev.estudar.org.br maps to six IP numbers: 2606:4700:20::681a:88b, 2606:4700:20::681a:98b, 2606:4700:20::ac43:4703, 104.26.8.139, 104.26.9.139 and 172.67.71.3.

Other host names such as minutovezpravy.cz, www.walisongo.ac.id, tasbuild.com.au, golfnations.com and ninjasub.com share IPs with dev.estudar.org.br.