`bos.com.vn`

DNSSEC	⚠️ Not signed
A	118.69.80.36^{🇻🇳 FPT-AS-AP118.69.80.0/20 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 10th floor, MITEC Tower, Duong Dinh Nghe, Cau Giay, Hanoi}
NS	`ns1.zonedns.vn` ⭐
		A	2401:c080:1400:1cd4:5400:5ff:fe80:ec33^{🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix}
		A	64.176.84.220^{🇸🇬 AS-VULTR64.176.80.0/20 Vultr Assigned Prefix}
			PTR	`ns1.zonedns.vn`
NS	`ns2.zonedns.vn`
		A	2401:c080:1400:1cd4:5400:5ff:fe80:ec33^{🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix}
		A	103.176.178.51^{🇻🇳 NHAN-HOA-AS-VN103.176.178.0/24 NINETECH-VN}
NS	`ns3.zonedns.vn`
		A	2001:df1:3200::15^{🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN}
		A	103.28.36.30^{🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN}
NS	`ns4.zonedns.vn`
		A	2001:df1:3200::15^{🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN}
		A	103.28.39.159^{🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN}
SOA	`ns1.zonedns.vn`root@bos.com.vn 2022-12-09 #5

`com.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=2022706652

Same first word

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bos.at

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DNS History

5 records (5 active, 0 former)

●NSns1.zonedns.vn2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 16:00:32
● 2026-05-09 15:16:56

●NSns2.zonedns.vn2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 16:00:32
● 2026-05-09 15:16:56

●NSns3.zonedns.vn2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 16:00:32
● 2026-05-09 15:16:56

●NSns4.zonedns.vn2026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 16:00:32
● 2026-05-09 15:16:56

●A118.69.80.362026-05-01 → 2026-05-09 · 2 obs

● 2026-05-01 16:00:32
● 2026-05-09 15:16:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...	-
bos.com.vn	ns1.zonedns.vn, ns4.zonedns.vn, ns3.zonedns.vn, ns2.zonedns.vn	-

✅ Authoritative Response

Server:103.28.36.30

NS records: ns1.zonedns.vn, ns4.zonedns.vn, ns3.zonedns.vn, ns2.zonedns.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bos.com.vn (unsigned zone)

⏱️ Timing

Total: 5042ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`118.69.80.36`
NS	4	`ns2.zonedns.vn, ns4.zonedns.vn...`
SOA	1	`ns1.zonedns.vn root.bos.com.vn`

Analysis

IP Addresses

bos.com.vn points to a single IP address: 118.69.80.36.

Other host names such as banthogiaxuong.vn, ns4.tenten.vn.roger.vn, baohobinhan.com, www.vntc.com.vn and grapepham.com share IP numbers with bos.com.vn.

Name Servers

bos.com.vn is delegated to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.

At least part of the name servers for bos.com.vn are shared with other domains, for instance hdbike.vn, metropoli5.vn, t-tech.vn, thin.vn and amzsport.vn.