h2school.com.br - robtex.com
h2school.com.br
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3037::6815:2380🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:dd31🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.35.128Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.221.49🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | bill.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b4a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bill.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c14a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | bill.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:214a🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | bill.ns.cloudflare.com | ||||||
| A | 108.162.193.74🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bill.ns.cloudflare.com | ||||||
| A | 172.64.33.74🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bill.ns.cloudflare.com | ||||||
| A | 173.245.59.74🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | bill.ns.cloudflare.com | ||||||
| NS | ollie.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2647🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ollie.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c247🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ollie.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2247🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ollie.ns.cloudflare.com | ||||||
| A | 108.162.194.71🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ollie.ns.cloudflare.com | ||||||
| A | 162.159.38.71Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ollie.ns.cloudflare.com | ||||||
| A | 172.64.34.71🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ollie.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 | 104.21.35.128, 172.67.221.49 | ||||||
| IPv6 | 2606:4700:3037::6815:2380, 2606:4700:3037::ac43:dd31 | ||||||
| SOA | bill.ns.cloudflare.comdns@cloudflare.com serial=2397356790 | ||||||
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=2026084022 | ||||||
rank #4270 in the tld
WOT: SAFE (69/100)
Same first word
h2school.com.br |
DNS History
6 records (6 active, 0 former)
●NSbill.ns.cloudflare.com2026-03-01 → 2026-03-25 · 2 obs
● 2026-03-25 01:25:10
●NSollie.ns.cloudflare.com2026-03-01 → 2026-03-25 · 2 obs
● 2026-03-25 01:25:10
●A104.21.35.1282026-03-01 → 2026-03-25 · 2 obs
● 2026-03-25 01:25:10
●A172.67.221.492026-03-01 → 2026-03-25 · 2 obs
● 2026-03-25 01:25:10
●A2606:4700:3037::6815:23802026-03-01 → 2026-03-25 · 2 obs
● 2026-03-25 01:25:10
●A2606:4700:3037::ac43:dd312026-03-01 → 2026-03-25 · 2 obs
● 2026-03-25 01:25:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| br | f.dns.br, d.dns.br, b.dns.br, e.dns.br... | - |
| h2school.com.br | ollie.ns.cloudflare.com, bill.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.74
NS records: ollie.ns.cloudflare.com, bill.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for h2school.com.br (unsigned zone)
⏱️ Timing
Total: 1890ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.221.49, 104.21.35.128 |
| AAAA | 2 | 2606:4700:3037::6815:2380, 2606:4700:3037::ac43:dd31 |
| NS | 2 | bill.ns.cloudflare.com, ollie.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | bill.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
h2school.com.br points to four IP numbers: 2606:4700:3037::6815:2380, 2606:4700:3037::ac43:dd31, 104.21.35.128 and 172.67.221.49.
For instance, other host names allowall.vstkl.workers.dev, isxas3.com, www.thegioimeta.net, lqshortlease.nl and leconomistedufaso.com share IP numbers with h2school.com.br.
Name Servers
h2school.com.br is delegated to two name servers: bill.ns.cloudflare.com and ollie.ns.cloudflare.com.
h2school.com.br uses the same name server setup as other domains such as seubet.com, yodragon.com.br, flessence.com, gatesofolympussuperscatter.com.br and h2system.com.br.
h2school.com.br shares name servers with other domains at least partially, for example tokenpocket.wiki, reviewyourwebdesign.com, kingodom.com, applela.za.com and 1939-1940.fi.
These name servers are commonly used with toby.ns.cloudflare.com.
Host names with six IP numbers: host name bill.ns.cloudflare.com points to: 2606:4700:58::adf5:3b4a, 2803:f800:50::6ca2:c14a, 2a06:98c1:50::ac40:214a, 108.162.193.74, 172.64.33.74 and 173.245.59.74; host name ollie.ns.cloudflare.com points to: 2606:4700:50::a29f:2647, 2803:f800:50::6ca2:c247, 2a06:98c1:50::ac40:2247, 108.162.194.71, 162.159.38.71 and 172.64.34.71.