study028.com - robtex.com
study028.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=1794611796 | ||||||
Previous names
Next names
DNS History
4 records (0 active, 4 former)
○NSdns17.hichina.com2018-09-05 → 2018-09-05 · 3 obs
● 2018-09-05 06:02:06
○ 2026-09-30 11:10:12
○ 2026-11-13 23:40:20
○ 2026-09-30 11:10:12
○ 2026-11-13 23:40:20
○NSdns18.hichina.com2018-09-05 → 2018-09-05 · 3 obs
● 2018-09-05 06:02:06
○ 2026-09-30 11:10:12
○ 2026-11-13 23:40:20
○ 2026-09-30 11:10:12
○ 2026-11-13 23:40:20
○MXmail.study028.com2018-09-05 → 2018-09-05 · 3 obs
● 2018-09-05 06:02:06
○ 2026-09-30 11:10:12
○ 2026-11-13 23:40:20
○ 2026-09-30 11:10:12
○ 2026-11-13 23:40:20
○A106.12.106.2342018-09-05 → 2018-09-05 · 3 obs
● 2018-09-05 06:02:06
○ 2026-09-30 11:10:12
○ 2026-11-13 23:40:20
○ 2026-09-30 11:10:12
○ 2026-11-13 23:40:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net... | - |
✅ Authoritative Response
Server:192.5.6.30
NS records: c.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net, b.gtld-servers.net, g.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, i.gtld-servers.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 171ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|