dev8b.ifrs.edu.br - robtex.com

dev8b.ifrs.edu.br

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:4202🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:a7c9🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.66.2Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.167.201🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.66.2, 172.67.167.201
IPv6 hints2606:4700:3033::6815:4202, 2606:4700:3037::ac43:a7c9
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=194, name=cloudflare-ech.com

ifrs.edu.br

DNSSEC🔒 Signed (DS record present)
A2600:9000:28c5:800:6:de28:2680:93a1🇺🇸 Amazon2600:9000:28c5::/48
A2600:9000:28c5:5e00:6:de28:2680:93a1🇺🇸 Amazon2600:9000:28c5::/48
A2600:9000:28c5:6a00:6:de28:2680:93a1🇺🇸 Amazon2600:9000:28c5::/48
A2600:9000:28c5:6e00:6:de28:2680:93a1🇺🇸 Amazon2600:9000:28c5::/48
A2600:9000:28c5:8800:6:de28:2680:93a1🇺🇸 Amazon2600:9000:28c5::/48
A2600:9000:28c5:9c00:6:de28:2680:93a1🇺🇸 Amazon2600:9000:28c5::/48
A2600:9000:28c5:a800:6:de28:2680:93a1🇺🇸 Amazon2600:9000:28c5::/48
A2600:9000:28c5:c200:6:de28:2680:93a1🇺🇸 Amazon2600:9000:28c5::/48
A3.173.161.12🇺🇸 Amazon3.128.0.0/10
A3.173.161.24🇺🇸 Amazon3.128.0.0/10
A3.173.161.26🇺🇸 Amazon3.128.0.0/10
A3.173.161.75🇺🇸 Amazon3.128.0.0/10
NSdoug.ns.cloudflare.com ⭐
NSshubhi.ns.cloudflare.com
MXaspmx.l.google.com ⭐
MXalt1.aspmx.l.google.com(20)
MXalt2.aspmx.l.google.com(20)
MXaspmx2.googlemail.com(30)
MXaspmx3.googlemail.com(30)
MXaspmx4.googlemail.com(30)
MXaspmx5.googlemail.com(30)
TXTMS=C3D437F350C127D383E4026F9018760067D4472F
TXTMS=DF909ACB0CBE62C2F3F6096F12D73EF0DA2E31B2
TXTMS=MS48625432
TXT_github-challenge-IFRS.ifrs.edu.br=c93c842107
TXT_github-challenge-IFRS=c93c842107
TXT_globalsign-domain-verification=abwGGT3x8flDwdOBNFxfQ1dJ7f6oEwyFBkzS7rD41C
TXTgoogle-site-verification=fzOMilIndOQwJ-jkdjPhPDRXuQtDU5CR2A01NpPAIJ0
TXTv=spf1 ip4:200.17.92.0/24 ip4:200.17.95.0/24 ip6:2804:0:2490::0/64 include:_s...
HTTPSHTTP/2
SOAdoug.ns.cloudflare.comdns@cloudflare.com serial=2403574864
rank #26469 globally
rank #178 in the tld
📈 Tranco rank: #36,912

DNS History

4 records (4 active, 0 former)

A104.21.66.2172.67.167.2012606:4700:3033::6815:42022606:4700:3037::ac43:a7c9
●A104.21.66.22026-04-24 → 2026-05-15 · 2 obs
● 2026-04-24 14:42:50
● 2026-05-15 20:48:22
●A172.67.167.2012026-04-24 → 2026-05-15 · 2 obs
● 2026-04-24 14:42:50
● 2026-05-15 20:48:22
●A2606:4700:3033::6815:42022026-04-24 → 2026-05-15 · 2 obs
● 2026-04-24 14:42:50
● 2026-05-15 20:48:22
●A2606:4700:3037::ac43:a7c92026-04-24 → 2026-05-15 · 2 obs
● 2026-04-24 14:42:50
● 2026-05-15 20:48:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brf.dns.br, d.dns.br, b.dns.br, e.dns.br...-
ifrs.edu.brshubhi.ns.cloudflare.com, doug.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.194.63

NS records: shubhi.ns.cloudflare.com, doug.ns.cloudflare.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 987ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.66.2, 172.67.167.201
AAAA22606:4700:3037::ac43:a7c9, 2606:4700:3033::6815:4202
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

Four IP numbers are pointed to by dev8b.ifrs.edu.br: 2606:4700:3033::6815:4202, 2606:4700:3037::ac43:a7c9, 104.21.66.2 and 172.67.167.201.

other host names including y100-games.com, osorio.ifrs.edu.br, dev7a.ifrs.edu.br, ibiruba.ifrs.edu.br and essayclub.net share IP numbers with dev8b.ifrs.edu.br.