tudonghoaiss.com - robtex.com
tudonghoaiss.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=1778410131 | ||||||
Similar names
DNS History
8 records (0 active, 8 former)
○NSns-master.inet.vn2015-08-19 → 2015-08-19 · 3 obs
● 2015-08-19 17:44:02
○ 2016-07-06 21:24:04
○ 2026-05-10 11:05:54
○ 2016-07-06 21:24:04
○ 2026-05-10 11:05:54
○NSns1.inet.vn2015-08-19 → 2015-08-19 · 3 obs
● 2015-08-19 17:44:02
○ 2016-07-06 21:24:04
○ 2026-05-10 11:05:54
○ 2016-07-06 21:24:04
○ 2026-05-10 11:05:54
○NSns1.zonedns.vn2016-07-06 → 2016-07-06 · 4 obs
○ 2015-08-19 17:44:02
● 2016-07-06 21:24:04
○ 2017-03-15 13:16:52
○ 2026-05-10 11:05:54
● 2016-07-06 21:24:04
○ 2017-03-15 13:16:52
○ 2026-05-10 11:05:54
○NSns2.inet.vn2015-08-19 → 2015-08-19 · 3 obs
● 2015-08-19 17:44:02
○ 2016-07-06 21:24:04
○ 2026-05-10 11:05:54
○ 2016-07-06 21:24:04
○ 2026-05-10 11:05:54
○NSns2.zonedns.vn2016-07-06 → 2016-07-06 · 4 obs
○ 2015-08-19 17:44:02
● 2016-07-06 21:24:04
○ 2017-03-15 13:16:52
○ 2026-05-10 11:05:54
● 2016-07-06 21:24:04
○ 2017-03-15 13:16:52
○ 2026-05-10 11:05:54
○NSns3.zonedns.vn2016-07-06 → 2016-07-06 · 4 obs
○ 2015-08-19 17:44:02
● 2016-07-06 21:24:04
○ 2017-03-15 13:16:52
○ 2026-05-10 11:05:54
● 2016-07-06 21:24:04
○ 2017-03-15 13:16:52
○ 2026-05-10 11:05:54
○A103.28.38.1182015-08-19 → 2015-08-19 · 3 obs
● 2015-08-19 17:44:02
○ 2016-07-06 21:24:04
○ 2026-05-10 11:05:54
○ 2016-07-06 21:24:04
○ 2026-05-10 11:05:54
○A222.255.216.2012016-07-06 → 2016-07-06 · 4 obs
○ 2015-08-19 17:44:02
● 2016-07-06 21:24:04
○ 2017-03-15 13:16:52
○ 2026-05-10 11:05:54
● 2016-07-06 21:24:04
○ 2017-03-15 13:16:52
○ 2026-05-10 11:05:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net... | - |
✅ Authoritative Response
Server:192.43.172.30
NS records: m.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net, f.gtld-servers.net, i.gtld-servers.net, e.gtld-servers.net, l.gtld-servers.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 148ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|