classesbrasil.com - robtex.com
classesbrasil.com
| DNSSEC | ⚠️ Not signed | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778389896 | ||||||
DNS History
4 records (0 active, 4 former)
○NSns86.hostgator.com.br2020-03-05 → 2020-03-05 · 3 obs
● 2020-03-05 22:38:46
○ 2026-03-01 04:38:50
○ 2026-05-10 05:12:46
○ 2026-03-01 04:38:50
○ 2026-05-10 05:12:46
○NSns87.hostgator.com.br2020-03-05 → 2020-03-05 · 3 obs
● 2020-03-05 22:38:46
○ 2026-03-01 04:38:50
○ 2026-05-10 05:12:46
○ 2026-03-01 04:38:50
○ 2026-05-10 05:12:46
○MXmail.classesbrasil.com2020-03-05 → 2020-03-05 · 3 obs
● 2020-03-05 22:38:46
○ 2026-03-01 04:38:50
○ 2026-05-10 05:12:46
○ 2026-03-01 04:38:50
○ 2026-05-10 05:12:46
○A192.185.213.952020-03-05 → 2020-03-05 · 3 obs
● 2020-03-05 22:38:46
○ 2026-03-01 04:38:50
○ 2026-05-10 05:12:46
○ 2026-03-01 04:38:50
○ 2026-05-10 05:12:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | d.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net... | - |
✅ Authoritative Response
Server:192.12.94.30
NS records: d.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 58ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|