`abacusmaster.edu.vn`

DNSSEC	⚠️ Not signed
NS	`ns1.inet.vn` ⚠️ Not in zone NS records
		A	2001:df7:ce00:1::7^{🇻🇳 VNPT-AS-VN2001:df7:ce00::/48 INETSOFT-VN Inet software one member company limited}
		A	202.92.4.25^{🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN}
NS	`ns2.inet.vn` ⚠️ Not in zone NS records
		A	2401:5f80:2001:4::30^{🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN}
		A	210.211.99.38^{🇻🇳 VTDC-AS-VN210.211.99.0/24 Proxy-registered route object}

`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=2018564640

Same first word

abacusmaster.com

abacusmaster.edu.vn

DNS History

12 records (2 active, 10 former)

○NSns1.dotvndns.vn2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 23:28:54
○ 2026-05-01 01:50:48
○ 2026-05-09 15:02:42

●NSns1.inet.vn2026-05-01 → 2026-05-09 · 3 obs

○ 2019-12-19 23:28:54
● 2026-05-01 01:50:48
● 2026-05-09 15:02:42

○NSns1.pavietnam.vn2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 23:28:54
○ 2026-05-01 01:50:48
○ 2026-05-09 15:02:42

○NSns2.dotvndns.vn2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 23:28:54
○ 2026-05-01 01:50:48
○ 2026-05-09 15:02:42

●NSns2.inet.vn2026-05-01 → 2026-05-09 · 3 obs

○ 2019-12-19 23:28:54
● 2026-05-01 01:50:48
● 2026-05-09 15:02:42

○NSnsbak.dotvndns.com2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 23:28:54
○ 2026-05-01 01:50:48
○ 2026-05-09 15:02:42

○MXalt1.aspmx.l.google.com2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 23:28:54
○ 2026-05-01 01:50:48
○ 2026-05-09 15:02:42

○MXalt2.aspmx.l.google.com2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 23:28:54
○ 2026-05-01 01:50:48
○ 2026-05-09 15:02:42

○MXalt3.aspmx.l.google.com2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 23:28:54
○ 2026-05-01 01:50:48
○ 2026-05-09 15:02:42

○MXalt4.aspmx.l.google.com2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 23:28:54
○ 2026-05-01 01:50:48
○ 2026-05-09 15:02:42

○MXaspmx.l.google.com2019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 23:28:54
○ 2026-05-01 01:50:48
○ 2026-05-09 15:02:42

○A43.239.221.702019-12-19 → 2019-12-19 · 3 obs

● 2019-12-19 23:28:54
○ 2026-05-01 01:50:48
○ 2026-05-09 15:02:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
abacusmaster.edu.vn	ns2.inet.vn, ns1.inet.vn	-

✅ Authoritative Response

Server:202.92.4.25

NS records: ns2.inet.vn, ns1.inet.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 2249ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

abacusmaster.edu.vn is delegated to two name servers ns1.inet.vn and ns2.inet.vn.

abacusmaster.edu.vn shares the same name server setup as other domains, for instance cuahangtemplate.com, manta.vn, dangkynhanhieu.vn, dogiadung.com.vn and gotop.vn.

abacusmaster.edu.vn at least partially shares name servers with other domains, for instance lahomevn.com, thanglongcapital.com.vn, xuyen3007.id.vn, vestnamtphcm.vn and pxvhvt4.vn.

These name servers are commonly used alongside ns-master.inet.vn and ns3.inet.vn.

Host names with two IP numbers:

The host name ns1.inet.vn points to 2001:df7:ce00:1::7 and 202.92.4.25; the host name ns2.inet.vn points to 2401:5f80:2001:4::30 and 210.211.99.38.

abacusmaster.edu.vn - robtex.com