linux.ceafi.edu.br - robtex.com

linux.ceafi.edu.br

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:2f7d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:93a5🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.47.125Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.147.165🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.47.125, 172.67.147.165
IPv6 hints2606:4700:3031::6815:2f7d, 2606:4700:3035::ac43:93a5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=60, name=cloudflare-ech.com

ceafi.edu.br

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:2f7d🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::ac43:93a5🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.47.125Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.147.165🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSajay.ns.cloudflare.com ⭐
NSsandy.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(5)
MXalt2.aspmx.l.google.com(5)
MXaspmx2.googlemail.com(10)
MXaspmx3.googlemail.com(10)
TXTgoogle-site-verification=ZY-VSDnERQqKhiNCa9zCvPuLu7I3m18h00kHUPknEm4
TXTgoogle-site-verification=kaQqg1yV6lOxbsi-NX9WZUh-SvTVequpWv-wQAcLH9g
TXTgoogle-site-verification=xOcBhBVv-2Cx-PwAGTmcvbL013PsiMD6Y_VcpyoDJiY
TXTv=spf1 include:_spf.rdstation.com.br include:sendgrid.net include:_spf.googl...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.47.125, 172.67.147.165
IPv6 hints2606:4700:3031::6815:2f7d, 2606:4700:3035::ac43:93a5
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=60, name=cloudflare-ech.com
SOAajay.ns.cloudflare.comdns@cloudflare.com serial=2403618281

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DNS History

4 records (4 active, 0 former)

A104.21.47.125172.67.147.1652606:4700:3031::6815:2f7d2606:4700:3035::ac43:93a5
●A104.21.47.1252026-04-24 → 2026-05-09 · 2 obs
● 2026-04-24 15:51:10
● 2026-05-09 19:53:50
●A172.67.147.1652026-04-24 → 2026-05-09 · 2 obs
● 2026-04-24 15:51:10
● 2026-05-09 19:53:50
●A2606:4700:3031::6815:2f7d2026-04-24 → 2026-05-09 · 2 obs
● 2026-04-24 15:51:10
● 2026-05-09 19:53:50
●A2606:4700:3035::ac43:93a52026-04-24 → 2026-05-09 · 2 obs
● 2026-04-24 15:51:10
● 2026-05-09 19:53:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brf.dns.br, d.dns.br, b.dns.br, e.dns.br...-
ceafi.edu.brajay.ns.cloudflare.com, sandy.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.219

NS records: ajay.ns.cloudflare.com, sandy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ceafi.edu.br (unsigned zone)

⏱️ Timing

Total: 428ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.147.165, 104.21.47.125
AAAA22606:4700:3035::ac43:93a5, 2606:4700:3031::6815:2f7d
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

linux.ceafi.edu.br maps to four IP numbers: 2606:4700:3031::6815:2f7d, 2606:4700:3035::ac43:93a5, 104.21.47.125 and 172.67.147.165.

Other host names, for instance tyxexithance.com, t-mobile.tfewoz.cc, aljoufinternationalschools.com, interac-transfer.sbs and yandex.net.arhproekt.pro share IP numbers with linux.ceafi.edu.br.