`optuong.vn`

DNSSEC	⚠️ Not signed
A	103.154.102.17^{🇻🇳 HARAVAN-AS-VN103.154.102.0/23 HARAVAN-VN}
NS	`ns-master.inet.vn` ⭐
		A	202.92.4.8^{🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN}
NS	`ns1.inet.vn`
		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`
		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}
NS	`ns3.inet.vn` ⚠️ Not in zone NS records
		A	2401:5f80:4001:4::14^{🇻🇳 VTDC-AS-VN2401:5f80:4000::/36 VTDC-VN}
		A	203.113.174.42^{🇻🇳 VTDC-AS-VN203.113.174.0/23 VIETTEL-VN}
SOA	`ns-master.inet.vn`postmaster@inet.vn 2015-07-28 #1

`vn`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns-master.vnnic.vn` ⭐
	NS	`a.dns-servers.vn`
	NS	`b.dns-servers.vn`
	NS	`c.dns-servers.vn`
	NS	`d.dns-servers.vn`
	NS	`e.dns-servers.vn`
	NS	`f.dns-servers.vn`
	NS	`g.dns-servers.vn`
	NS	`h.dns-servers.vn`
	SOA	`dns-master.vnnic.vn`postmaster@vnnic.vn serial=2030756330

optuong.vn

topogun.com

oogpunt.biz

oogpunt.be

gtoupon.com

poutong.cn

topgoun.com

6 records (5 active, 1 former)

●NSns-master.inet.vn2020-02-09 → 2026-05-11 · 2 obs

● 2020-02-09 21:20:12
● 2026-05-11 01:25:08

●NSns1.inet.vn2020-02-09 → 2026-05-11 · 2 obs

● 2020-02-09 21:20:12
● 2026-05-11 01:25:08

●NSns2.inet.vn2020-02-09 → 2026-05-11 · 2 obs

● 2020-02-09 21:20:12
● 2026-05-11 01:25:08

●NSns3.inet.vn2026-05-01 → 2026-05-11 · 3 obs

○ 2020-02-09 21:20:12
● 2026-05-01 18:13:02
● 2026-05-11 01:25:08

●A103.154.102.172026-05-01 → 2026-05-11 · 3 obs

○ 2020-02-09 21:20:12
● 2026-05-01 18:13:02
● 2026-05-11 01:25:08

○A103.28.39.552020-02-09 → 2020-02-09 · 3 obs

● 2020-02-09 21:20:12
○ 2026-05-01 18:13:02
○ 2026-05-11 01:25:08

optuong.vn points to a single IP: 103.154.102.17.

Other host names, for instance www.gwyn.vn, bonjour.com.vn, yeonchi.com.vn, dienthoaithainguyen.net and ketoan24h.edu.vn share IP numbers with optuong.vn.

optuong.vn's delegation is handled by four name servers: ns-master.inet.vn, ns1.inet.vn, ns2.inet.vn and ns3.inet.vn.

optuong.vn partially shares name servers with other domains; examples include duyendangvietnam.net, noithatanhuy.com, luatsutanbinh.vn, healthynuts.com.vn and congtyvesinhphuyen.com.