app4-u.com - robtex.com
app4-u.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=1771291435 | ||||||
DNS History
3 records (0 active, 3 former)
○NSgina.ns.cloudflare.com2015-07-22 → 2017-09-03 · 4 obs
● 2015-07-22 14:46:22
● 2017-09-03 09:14:08
○ 2026-03-11 01:07:24
○ 2026-03-11 01:07:26
● 2017-09-03 09:14:08
○ 2026-03-11 01:07:24
○ 2026-03-11 01:07:26
○NSjeff.ns.cloudflare.com2015-07-22 → 2017-09-03 · 4 obs
● 2015-07-22 14:46:22
● 2017-09-03 09:14:08
○ 2026-03-11 01:07:24
○ 2026-03-11 01:07:26
● 2017-09-03 09:14:08
○ 2026-03-11 01:07:24
○ 2026-03-11 01:07:26
○A52.25.33.42015-07-22 → 2017-09-03 · 4 obs
● 2015-07-22 14:46:22
● 2017-09-03 09:14:08
○ 2026-03-11 01:07:24
○ 2026-03-11 01:07:26
● 2017-09-03 09:14:08
○ 2026-03-11 01:07:24
○ 2026-03-11 01:07:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
✅ Authoritative Response
Server: 192.41.162.30
NS records: l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, g.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 378ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|