`leadbyexample.edu.vn`

DNSSEC	⚠️ Not signed
A	117.122.125.107^{🇻🇳 VNNIC117.122.124.0/22 -AS-VN}
		PTR	`biz.vnnic.vn`
		PTR	`speakers.vnnic.vn`
NS	`ns-hold.vnnic.vn` ⚠️ Not in zone NS records
		A	117.122.125.107^{🇻🇳 VNNIC117.122.124.0/22 -AS-VN}
			PTR	`biz.vnnic.vn`
			PTR	`speakers.vnnic.vn`

`edu.vn`

	DNSSEC	⚠️ Not signed
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`b.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`c.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`d.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`e.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`f.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`g.dns-servers.vn` ⚠️ Not in parent delegation
	NS	`h.dns-servers.vn` ⚠️ Not in parent delegation
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2018582617

Same first word

leadbyexample.edu.vn

DNS History

6 records (2 active, 4 former)

●NSns-hold.vnnic.vn2026-07-24 → 2026-07-24 · 3 obs

○ 2026-05-07 14:56:32
● 2026-07-24 22:32:00
● 2026-07-24 22:32:02

○NSns1.zonedns.vn2026-04-30 → 2026-05-07 · 4 obs

● 2026-04-30 19:57:30
● 2026-05-07 14:56:32
○ 2026-07-24 22:32:00
○ 2026-07-24 22:32:02

○NSns2.zonedns.vn2026-04-30 → 2026-05-07 · 4 obs

● 2026-04-30 19:57:30
● 2026-05-07 14:56:32
○ 2026-07-24 22:32:00
○ 2026-07-24 22:32:02

○NSns3.zonedns.vn2026-04-30 → 2026-05-07 · 4 obs

● 2026-04-30 19:57:30
● 2026-05-07 14:56:32
○ 2026-07-24 22:32:00
○ 2026-07-24 22:32:02

○NSns4.zonedns.vn2026-04-30 → 2026-05-07 · 4 obs

● 2026-04-30 19:57:30
● 2026-05-07 14:56:32
○ 2026-07-24 22:32:00
○ 2026-07-24 22:32:02

●A117.122.125.1072026-07-24 → 2026-07-24 · 2 obs

● 2026-07-24 22:32:00
● 2026-07-24 22:32:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	16 records
leadbyexample.edu.vn	ns-hold.vnnic.vn	-

✅ Authoritative Response

Server:117.122.125.107

NS records: ns-hold.vnnic.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for leadbyexample.edu.vn (unsigned zone)

⏱️ Timing

Total: 2162ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`117.122.125.107`

📌 Glue Records Collected

Total: 16

In-bailiwick: 16 (a.dns-servers.vn, a.dns-servers.vn, b.dns-servers.vn...)

Analysis

IP Addresses

leadbyexample.edu.vn directs to one IP number, which is 117.122.125.107.

Among the host names that share IP numbers with leadbyexample.edu.vn are www.cuanhom.datamedia.com.vn, thaisongroups.vn, _dc-mx.65d74ce1aff2.nsd.vn and two others.

Name Servers

leadbyexample.edu.vn is served by a sole authoritative name server: ns-hold.vnnic.vn.

leadbyexample.edu.vn has the same name server delegation as a number of other domains, such as pancera.vn, amoura.com.vn, gaxy.com.vn and two more.

ns-hold.vnnic.vn resolves to 117.122.125.107 and no other IP number.

leadbyexample.edu.vn - robtex.com