cyberclass.com.br - robtex.com

cyberclass.com.br

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:a77🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:a320🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.10.119Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.163.32🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbrett.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3b4c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrett.ns.cloudflare.com
A2803:f800:50::6ca2:c14c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRbrett.ns.cloudflare.com
A2a06:98c1:50::ac40:214c🇺🇸 Cloudflare2a06:98c1:50::/45
PTRbrett.ns.cloudflare.com
A108.162.193.76🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrett.ns.cloudflare.com
A172.64.33.76🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrett.ns.cloudflare.com
A173.245.59.76🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRbrett.ns.cloudflare.com
NSreza.ns.cloudflare.com
A2606:4700:50::adf5:3ad9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreza.ns.cloudflare.com
A2803:f800:50::6ca2:c0d9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRreza.ns.cloudflare.com
A2a06:98c1:50::ac40:20d9🇺🇸 Cloudflare2a06:98c1:50::/45
PTRreza.ns.cloudflare.com
A108.162.192.217🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreza.ns.cloudflare.com
A172.64.32.217🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreza.ns.cloudflare.com
A173.245.58.217🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRreza.ns.cloudflare.com
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c25::1b🇺🇸 Google2607:f8b0:4004::/48
PTRyuiadtq-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.26🇺🇸 Google172.253.116.0/24
PTRdj-in-f26.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1b🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.26🇺🇸 Google173.194.76.0/24
PTRws-in-f26.1e100.net
TXTD9645561
TXTfacebook-domain-verification=9l3fitr82dyw5cv34tckl3oprrixlw
TXTgoogle-site-verification=5ZRHHqTwvLi8h69NJ_SLbeZuTbofcipKu-OPiqew9Q0
TXTgoogle-site-verification=LyDn-ceuEcgnKgLHC2h1xL4FmF8LT5X-qZuWgvhS1hk
TXTgoogle-site-verification=hgwScD1-47uTw_Omj55c8nxSApeAR5PKpXKv-tzzUfA
TXTv=spf1 include:amazonses.com include:_spf.google.com include:mail.zendesk.com...
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.10.119, 172.67.163.32
IPv6 hints2606:4700:3035::6815:a77, 2606:4700:3036::ac43:a320
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=66, name=cloudflare-ech.com
SOAbrett.ns.cloudflare.comdns@cloudflare.com serial=2399040205

com.br

DNSSEC⚠️ Not signed
NSa.dns.br ⭐ ⚠️ Not in parent delegation
NSb.dns.br ⚠️ Not in parent delegation
NSc.dns.br ⚠️ Not in parent delegation
NSd.dns.br ⚠️ Not in parent delegation
NSe.dns.br ⚠️ Not in parent delegation
NSf.dns.br ⚠️ Not in parent delegation
SOAa.dns.brhostmaster@registro.br serial=2026116140
rank #555241 globally
rank #4058 in the tld
WOT: SAFE (69/100)

Same first word

cyberclass.in
cyberclass.moscow
cyberclass.net
cyberclass.com.br
cyberclass.com

DNS History

11 records (11 active, 0 former)

NSbrett.ns.cloudflare.comreza.ns.cloudflare.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA104.21.10.119172.67.163.322606:4700:3035::6815:a772606:4700:3036::ac43:a320
●NSbrett.ns.cloudflare.com2026-03-26 → 2026-04-26 · 2 obs
● 2026-03-26 04:23:54
● 2026-04-26 06:18:58
●NSreza.ns.cloudflare.com2026-03-26 → 2026-04-26 · 2 obs
● 2026-03-26 04:23:54
● 2026-04-26 06:18:58
●MXalt1.aspmx.l.google.com2026-03-26 → 2026-04-26 · 2 obs
● 2026-03-26 04:23:54
● 2026-04-26 06:18:58
●MXalt2.aspmx.l.google.com2026-03-26 → 2026-04-26 · 2 obs
● 2026-03-26 04:23:54
● 2026-04-26 06:18:58
●MXalt3.aspmx.l.google.com2026-03-26 → 2026-04-26 · 2 obs
● 2026-03-26 04:23:54
● 2026-04-26 06:18:58
●MXalt4.aspmx.l.google.com2026-03-26 → 2026-04-26 · 2 obs
● 2026-03-26 04:23:54
● 2026-04-26 06:18:58
●MXaspmx.l.google.com2026-03-26 → 2026-04-26 · 2 obs
● 2026-03-26 04:23:54
● 2026-04-26 06:18:58
●A104.21.10.1192026-03-26 → 2026-04-26 · 2 obs
● 2026-03-26 04:23:54
● 2026-04-26 06:18:58
●A172.67.163.322026-03-26 → 2026-04-26 · 2 obs
● 2026-03-26 04:23:54
● 2026-04-26 06:18:58
●A2606:4700:3035::6815:a772026-03-26 → 2026-04-26 · 2 obs
● 2026-03-26 04:23:54
● 2026-04-26 06:18:58
●A2606:4700:3036::ac43:a3202026-03-26 → 2026-04-26 · 2 obs
● 2026-03-26 04:23:54
● 2026-04-26 06:18:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
brf.dns.br, d.dns.br, b.dns.br, e.dns.br...-
cyberclass.com.brbrett.ns.cloudflare.com, reza.ns.cloudflare.com-

✅ Authoritative Response

Server:108.162.192.217

NS records: brett.ns.cloudflare.com, reza.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 823ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.163.32, 104.21.10.119
AAAA22606:4700:3036::ac43:a320, 2606:4700:3035::6815:a77
NS2brett.ns.cloudflare.com, reza.ns.cloudflare.com
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT6D9645561, facebook-domain-verification=9l3fitr82dy...
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1brett.ns.cloudflare.com dns.cloudflare.c

Analysis

IP Addresses

cyberclass.com.br resolves to four IPs: 2606:4700:3035::6815:a77, 2606:4700:3036::ac43:a320, 104.21.10.119 and 172.67.163.32.

Other host names, for instance roosbit.com, nutiqi.cn, inquiro.app, 69vn.ae and www.rzal-consultores.com.mx share IP numbers with cyberclass.com.br.

Name Servers

cyberclass.com.br has two name servers: brett.ns.cloudflare.com and reza.ns.cloudflare.com.

cyberclass.com.br shares the same name server setup as other domains, for example c-r.org, digitalcleanse.vip, vrqkera.xyz, shutterspotter.com and chairtochange.com.

cyberclass.com.br shares some name servers with other domains, for example iamjaychong.com, pdar.cn, c4model.com, randallbullard.com and karmameju.com.

These name servers are commonly used with the name servers dawn.ns.cloudflare.com.

Host names with six IP numbers: brett.ns.cloudflare.com points to: 2606:4700:58::adf5:3b4c, 2803:f800:50::6ca2:c14c, 2a06:98c1:50::ac40:214c, 108.162.193.76, 172.64.33.76 and 173.245.59.76; reza.ns.cloudflare.com points to: 2606:4700:50::adf5:3ad9, 2803:f800:50::6ca2:c0d9, 2a06:98c1:50::ac40:20d9, 108.162.192.217, 172.64.32.217 and 173.245.58.217.

Mail Servers

cyberclass.com.br is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

cyberclass.com.br shares some mail servers with other domains, at least partially; for instance sencer.biz, ns500671.ns500731.ns500754.ns500754.ns500742.ns500671.ns500649.ns500649.ns500649.ns500666.ns500142.lusty(0x736c7574)z.com, ns500754.ns500742.ns500742.ns500731.ns500731.ns500688.ns500671.ns500671.ns500678.ns500678.ns500291.ns500291.ns500291.ns500131.lustychickser.com, ns500758.ns500759.ns500759.ns500759.ns500759.ns500698.ns500735.ns500735.ns500698.ns500576.ns500698.ns500576.ns500576.ns500708.ns500652.trackreceptor.com and ns500765.ns500693.ns500734.ns500693.ns500728.ns500588.ns500699.ns500699.ns500588.ns500612.ns500632.ns500588.ns500612.dtrkdll.com.

these mail servers are commonly used alongside aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IPs:

Host aspmx.l.google.com has IPs 2607:f8b0:4004:c25::1b and 172.253.62.27.

Host alt1.aspmx.l.google.com has IPs 2800:3f0:4003:c0f::1b and 108.177.123.26.

Host alt2.aspmx.l.google.com has IPs 2a00:1450:400b:c02::1b and 172.253.116.26.

Host alt3.aspmx.l.google.com has IPs 2a00:1450:4009:c0f::1b and 192.178.223.27.

Host alt4.aspmx.l.google.com has IPs 2a00:1450:400c:c00::1b and 173.194.76.26.