dou521.com - robtex.com
dou521.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=1774362087 | ||||||
Subdomains
www.dou521.com |
Same first word
dou521.com |
DNS History
10 records (0 active, 10 former)
○NSa.share-dns.com2026-03-24 → 2026-03-24 · 1 obs
○ 2026-03-24 14:46:34
○NSb.share-dns.net2026-03-24 → 2026-03-24 · 1 obs
○ 2026-03-24 14:46:34
○NSns1.myhostadmin.net2019-12-17 → 2019-12-17 · 2 obs
● 2019-12-17 14:16:48
○ 2026-03-24 14:46:34
○ 2026-03-24 14:46:34
○NSns2.myhostadmin.net2019-12-17 → 2019-12-17 · 2 obs
● 2019-12-17 14:16:48
○ 2026-03-24 14:46:34
○ 2026-03-24 14:46:34
○NSns3.myhostadmin.net2019-12-17 → 2019-12-17 · 2 obs
● 2019-12-17 14:16:48
○ 2026-03-24 14:46:34
○ 2026-03-24 14:46:34
○NSns4.myhostadmin.net2019-12-17 → 2019-12-17 · 2 obs
● 2019-12-17 14:16:48
○ 2026-03-24 14:46:34
○ 2026-03-24 14:46:34
○NSns5.myhostadmin.net2019-12-17 → 2019-12-17 · 2 obs
● 2019-12-17 14:16:48
○ 2026-03-24 14:46:34
○ 2026-03-24 14:46:34
○NSns6.myhostadmin.net2019-12-17 → 2019-12-17 · 2 obs
● 2019-12-17 14:16:48
○ 2026-03-24 14:46:34
○ 2026-03-24 14:46:34
○A103.133.178.2412019-12-17 → 2019-12-17 · 2 obs
● 2019-12-17 14:16:48
○ 2026-03-24 14:46:34
○ 2026-03-24 14:46:34
○CNAMEwww.dou521.com2026-03-24 → 2026-03-24 · 1 obs
○ 2026-03-24 14:46:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
✅ Authoritative Response
Server:192.48.79.30
NS records: a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 60ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|