www.linuxbras.com.br - robtex.com

www.linuxbras.com.br

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:bf8🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:96cd🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.11.248Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.150.205🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.11.248, 172.67.150.205
IPv6 hints2606:4700:3031::6815:bf8, 2606:4700:3031::ac43:96cd
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=193, name=cloudflare-ech.com

linuxbras.com.br

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:bf8🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3031::ac43:96cd🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.11.248Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.150.205🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbill.ns.cloudflare.com ⭐
NSmelody.ns.cloudflare.com
MXmx2.zoho.com ⭐
MXmx3.zoho.com(20)
MXmx.zoho.com(50)
TXTv=spf1 include:zohomail.com ~all
TXTzoho-verification=zb90169694.zmverify.zoho.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.11.248, 172.67.150.205
IPv6 hints2606:4700:3031::6815:bf8, 2606:4700:3031::ac43:96cd
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=193, name=cloudflare-ech.com
SOAbill.ns.cloudflare.comdns@cloudflare.com serial=2401189102

Same first word

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DNS History

11 records (4 active, 7 former)

20192020202120222023202420252026A104.21.11.248172.67.150.2052606:4700:3031::6815:bf82606:4700:3031::ac43:96cd172.64.80.1188.114.96.0188.114.97.0200.192.210.102804:15c:20::22a06:98c1:3120::2a06:98c1:3121::
●A104.21.11.2482026-05-02 → 2026-05-14 · 4 obs
○ 2026-03-12 22:27:34
○ 2026-04-04 21:11:38
● 2026-05-02 03:29:40
● 2026-05-14 02:04:44
○A172.64.80.12026-03-12 → 2026-03-12 · 4 obs
○ 2018-05-19 16:50:12
● 2026-03-12 22:27:34
○ 2026-04-04 21:11:38
○ 2026-05-14 02:04:44
●A172.67.150.2052026-05-02 → 2026-05-14 · 4 obs
○ 2026-03-12 22:27:34
○ 2026-04-04 21:11:38
● 2026-05-02 03:29:40
● 2026-05-14 02:04:44
○A188.114.96.02026-04-04 → 2026-04-04 · 4 obs
○ 2026-03-12 22:27:34
● 2026-04-04 21:11:38
○ 2026-05-02 03:29:40
○ 2026-05-14 02:04:44
○A188.114.97.02026-04-04 → 2026-04-04 · 4 obs
○ 2026-03-12 22:27:34
● 2026-04-04 21:11:38
○ 2026-05-02 03:29:40
○ 2026-05-14 02:04:44
○A200.192.210.102018-05-19 → 2018-05-19 · 3 obs
● 2018-05-19 16:50:12
○ 2026-03-12 22:27:34
○ 2026-05-14 02:04:44
●A2606:4700:3031::6815:bf82026-03-12 → 2026-05-14 · 6 obs
○ 2018-05-19 16:50:12
● 2026-03-12 22:27:34
○ 2026-04-04 21:11:38
○ 2026-05-02 03:29:40
● 2026-05-02 12:38:12
● 2026-05-14 02:04:44
●A2606:4700:3031::ac43:96cd2026-03-12 → 2026-05-14 · 6 obs
○ 2018-05-19 16:50:12
● 2026-03-12 22:27:34
○ 2026-04-04 21:11:38
○ 2026-05-02 03:29:40
● 2026-05-02 12:38:12
● 2026-05-14 02:04:44
○A2804:15c:20::22018-05-19 → 2018-05-19 · 3 obs
● 2018-05-19 16:50:12
○ 2026-03-12 22:27:34
○ 2026-05-14 02:04:44
○A2a06:98c1:3120::2026-04-04 → 2026-05-02 · 5 obs
○ 2026-03-12 22:27:34
● 2026-04-04 21:11:38
● 2026-05-02 03:29:40
○ 2026-05-02 12:38:12
○ 2026-05-14 02:04:44
○A2a06:98c1:3121::2026-04-04 → 2026-05-02 · 5 obs
○ 2026-03-12 22:27:34
● 2026-04-04 21:11:38
● 2026-05-02 03:29:40
○ 2026-05-02 12:38:12
○ 2026-05-14 02:04:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brb.dns.br, c.dns.br, d.dns.br, e.dns.br...-
linuxbras.com.brbill.ns.cloudflare.com, melody.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.250

NS records: bill.ns.cloudflare.com, melody.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for linuxbras.com.br (unsigned zone)

⏱️ Timing

Total: 380ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.11.248, 172.67.150.205
AAAA22606:4700:3031::ac43:96cd, 2606:4700:3031::6815:bf8
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

Four IP numbers are pointed to by www.linuxbras.com.br: 2606:4700:3031::6815:bf8, 2606:4700:3031::ac43:96cd, 104.21.11.248 and 172.67.150.205.

other host names including booking.confirmation-id782.com, eflteachertraining.com, 92pak.biz, uniper.com.br and playferelabs.click share IP numbers with www.linuxbras.com.br.