vn - robtex.com
vn
(root)
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.root-servers.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | c.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | d.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | e.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | f.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | g.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | h.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | i.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | j.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | k.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | l.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | m.root-servers.net ⚠️ Not in parent delegation | ||||||
| SOA | a.root-servers.netnstld@verisign-grs.com 2026-04-23 #1 | ||||||
Subdomains
Same first word
Similar names
DNS History
10 records (9 active, 1 former)
●NSa.dns-servers.vn2015-09-03 → 2026-04-24 · 2 obs
● 2026-04-24 02:54:12
●NSb.dns-servers.vn2015-09-03 → 2026-04-24 · 2 obs
● 2026-04-24 02:54:12
●NSc.dns-servers.vn2015-09-03 → 2026-04-24 · 2 obs
● 2026-04-24 02:54:12
●NSd.dns-servers.vn2015-09-03 → 2026-04-24 · 2 obs
● 2026-04-24 02:54:12
●NSdns-master.vnnic.vn2015-09-03 → 2026-04-24 · 2 obs
● 2026-04-24 02:54:12
●NSe.dns-servers.vn2015-09-03 → 2026-04-24 · 2 obs
● 2026-04-24 02:54:12
●NSf.dns-servers.vn2015-09-03 → 2026-04-24 · 2 obs
● 2026-04-24 02:54:12
●NSg.dns-servers.vn2017-07-12 → 2026-04-24 · 3 obs
● 2017-07-12 21:11:28
● 2026-04-24 02:54:12
●NSh.dns-servers.vn2026-02-16 → 2026-04-24 · 3 obs
● 2026-02-16 17:05:24
● 2026-04-24 02:54:12
○NSvn.cctld.authdns.ripe.net2015-09-03 → 2017-07-11 · 4 obs
● 2017-07-11 10:31:46
○ 2017-07-12 21:11:28
○ 2026-04-24 02:54:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, h.dns-servers.vn, g.dns-servers.vn, e.dns-servers.vn... | 16 records |
✅ Authoritative Response
Server:203.119.68.105
NS records: c.dns-servers.vn, h.dns-servers.vn, g.dns-servers.vn, e.dns-servers.vn, a.dns-servers.vn, d.dns-servers.vn, f.dns-servers.vn, b.dns-servers.vn
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 884ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 8 | a.dns-servers.vn, c.dns-servers.vn... |
| SOA | 1 | dns-master.vnnic.vn postmaster.vnnic.vn |
📌 Glue Records Collected
Total: 16
In-bailiwick: 16 (h.dns-servers.vn, g.dns-servers.vn, f.dns-servers.vn...)
Analysis
Hierarchy
vn is the parent of sapharco.vn, nuoccat.vn, simkhanhhoa.vn, achaudoor.vn, baoloc.vn and tens of thousands other host names.
Name Servers
vn is delegated to nine name servers: a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn, e.dns-servers.vn, f.dns-servers.vn, g.dns-servers.vn, h.dns-servers.vn and dns-master.vnnic.vn.
At least part of the name servers for vn are shared with other domains, for instance com.vn, hungyen.vn, caobang.vn, quangninh.vn and ai.vn.
These name servers are often used together with dns1.vnnic.vn, dns2.vnnic.vn and dns3.vnnic.vn.
Host names with two IP numbers:
a.dns-servers.vn points to 2001:678:4::12 and 194.0.1.18.
b.dns-servers.vn points to 2001:dc8:1:2::105 and 203.119.73.105.
c.dns-servers.vn points to 2001:dc8:c000:7::105 and 203.119.38.105.
d.dns-servers.vn points to 2001:dc8:8000:2::105 and 203.119.44.105.
e.dns-servers.vn points to 2001:dc8:1000:2::105 and 203.119.60.105.
f.dns-servers.vn points to 2001:dc8:d000:2::105 and 203.119.68.105.
g.dns-servers.vn points to 2001:500:14:6115:ad::1 and 204.61.216.115.
h.dns-servers.vn points to 2001:dc8:6000::105 and 202.47.142.105.