bluedu.com.br - robtex.com
bluedu.com.br
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::ac43:d787🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:2348🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.35.72Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.215.135🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | arnold.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b45🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | arnold.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c145🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | arnold.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2145🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | arnold.ns.cloudflare.com | ||||||
| A | 108.162.193.69🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | arnold.ns.cloudflare.com | ||||||
| A | 172.64.33.69🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | arnold.ns.cloudflare.com | ||||||
| A | 173.245.59.69🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | arnold.ns.cloudflare.com | ||||||
| NS | jamie.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3aa8🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jamie.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0a8🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | jamie.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20a8🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | jamie.ns.cloudflare.com | ||||||
| A | 108.162.192.168🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jamie.ns.cloudflare.com | ||||||
| A | 172.64.32.168🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jamie.ns.cloudflare.com | ||||||
| A | 173.245.58.168🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | jamie.ns.cloudflare.com | ||||||
| MX | mx-ha.skymail.net.br ⭐ | ||||||
| A | 168.0.133.10🇧🇷 AS265262168.0.133.0/24 | ||||||
| PTR | mx-ha.skymail.net.br | ||||||
| TXT | MS=78C4E7C055E974FB71AB68692A85680894663421 | ||||||
| TXT | anthropic-domain-verification-68gjxf=0ZRnRv4nYfNfGpAdHl58lFNIC | ||||||
| TXT | google-site-verification=W_zLUrMVi1JWm0q8Vu72ZS7Wr_LSXbTZfy52YnK14tU | ||||||
| TXT | google-site-verification=XiHSEkUSETYx5Jx3ZSEBaUelAUdYmjJn_9qmxt02gLI | ||||||
| TXT | google-site-verification=pPIQrGwetvZJZIFt-qIt2Jl03eF__Dp9z_KkQR6HT-s | ||||||
| TXT | v=spf1 include:spf.skymail.net.br -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.35.72, 172.67.215.135 | ||||||
| IPv6 hints | 2606:4700:3032::ac43:d787, 2606:4700:3033::6815:2348 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=108, name=cloudflare-ech.com | ||||||
| SOA | arnold.ns.cloudflare.comdns@cloudflare.com serial=2403912852 | ||||||
com.br
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.dns.br ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.dns.br ⚠️ Not in parent delegation | ||||||
| NS | c.dns.br ⚠️ Not in parent delegation | ||||||
| NS | d.dns.br ⚠️ Not in parent delegation | ||||||
| NS | e.dns.br ⚠️ Not in parent delegation | ||||||
| NS | f.dns.br ⚠️ Not in parent delegation | ||||||
| SOA | a.dns.brhostmaster@registro.br serial=2026132052 | ||||||
rank #547737 globally
rank #4123 in the tld
WOT: SAFE (69/100)
Same first word
Similar names
elubud.com |
luubed.com |
bludeu.com |
blueud.com |
dubleu.com |
debulu.com |
dublue.com |
bludue.com |
dubleu.co |
budelu.com |
edubul.com |
dublue.com.au |
bulude.com |
dubule.com |
DNS History
7 records (7 active, 0 former)
●NSarnold.ns.cloudflare.com2026-04-20 → 2026-05-12 · 2 obs
● 2026-05-12 02:21:38
●NSjamie.ns.cloudflare.com2026-04-20 → 2026-05-12 · 2 obs
● 2026-05-12 02:21:38
●MXmx-ha.skymail.net.br2026-04-20 → 2026-05-12 · 2 obs
● 2026-05-12 02:21:38
●A104.21.35.722026-04-20 → 2026-05-12 · 2 obs
● 2026-05-12 02:21:38
●A172.67.215.1352026-04-20 → 2026-05-12 · 2 obs
● 2026-05-12 02:21:38
●A2606:4700:3032::ac43:d7872026-04-20 → 2026-05-12 · 2 obs
● 2026-05-12 02:21:38
●A2606:4700:3033::6815:23482026-04-20 → 2026-05-12 · 2 obs
● 2026-05-12 02:21:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | a.dns.br, b.dns.br, c.dns.br, d.dns.br... | - |
| bluedu.com.br | arnold.ns.cloudflare.com, jamie.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.33.69
NS records: arnold.ns.cloudflare.com, jamie.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bluedu.com.br (unsigned zone)
⏱️ Timing
Total: 1349ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.215.135, 104.21.35.72 |
| AAAA | 2 | 2606:4700:3033::6815:2348, 2606:4700:3032::ac43:d787 |
| NS | 2 | arnold.ns.cloudflare.com, jamie.ns.cloudflare.com |
| MX | 1 | mx-ha.skymail.net.br (pri: 5) |
| TXT | 6 | MS=78C4E7C055E974FB71AB68692A85680894663, anthropic-domain-verification-68gjxf=0ZR... |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | arnold.ns.cloudflare.com dns.cloudflare. |
Analysis
IP Addresses
bluedu.com.br resolves to four IP numbers: 2606:4700:3032::ac43:d787, 2606:4700:3033::6815:2348, 104.21.35.72 and 172.67.215.135.
Other host names such as theconsidines.com, www.egnw.com.cn, www.mtctutorials.com, chance2change.be and devonduvets.com share IPs with bluedu.com.br.
Name Servers
bluedu.com.br is delegated to two name servers: arnold.ns.cloudflare.com and jamie.ns.cloudflare.com.
bluedu.com.br shares the same name server setup as nc5.com.br, yoshimiseguros.com.br, especizeseguros.com.br, srncorretoradeseguros.com and usbseguros.com.br.
bluedu.com.br at least partially shares name servers with other domains, for instance nitrowheelworks.com, pinshape.com, vivaraise.nl, karkasnyjdom.ru and whitemail.ro.
These name servers are commonly used together with cris.ns.cloudflare.com, ben.ns.cloudflare.com and serenity.ns.cloudflare.com.
Host names with six IP numbers:
arnold.ns.cloudflare.com points to 2606:4700:58::adf5:3b45, 2803:f800:50::6ca2:c145, 2a06:98c1:50::ac40:2145, 108.162.193.69, 172.64.33.69 and 173.245.59.69.
jamie.ns.cloudflare.com points to 2606:4700:50::adf5:3aa8, 2803:f800:50::6ca2:c0a8, 2a06:98c1:50::ac40:20a8, 108.162.192.168, 172.64.32.168 and 173.245.58.168.
Mail Servers
bluedu.com.br is handled by a single mail server, mx-ha.skymail.net.br.
The mail server setup for bluedu.com.br matches that of other domains, for instance cambaradosul.rs.gov.br, dcco.com.br, falepaco.com.br, bervel.com.br and riozen.com.br.
bluedu.com.br shares some mail servers with other domains, for instance venum.com.br, multipliquecontab.com.br and apta.ind.br.
mx-ha.skymail.net.br points to a single IP: 168.0.133.10.