`hostmaster.obsidian.vn`

	DNSSEC	⚠️ Not signed
	A	210.245.94.9^{🇻🇳 FPT-AS-AP210.245.94.0/24 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}

`obsidian.vn`

	DNSSEC	⚠️ Not signed
	A	14.225.211.59^{🇻🇳 VNPT-AS-VN14.225.211.0/24 VNPT}
	NS	`ns1.redhatvn.net` ⭐ ⚠️ Not in parent delegation
	NS	`ns1.matbao.vn` ⚠️ Not in zone NS records
	NS	`ns2.matbao.vn` ⚠️ Not in zone NS records
	NS	`ns2.redhatvn.net` ⚠️ Not in parent delegation
	NS	`ns3.matbao.vn` ⚠️ Not in zone NS records
	NS	`ns4.matbao.vn` ⚠️ Not in zone NS records
	MX	`mail.obsidian.vn` ⭐
	TXT	`v=spf1 a mx ip4:103.27.60.73 ~all`
	SOA	`ns1.redhatvn.net`root@obsidian.vn serial=1566978260

Same first word

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Similar names

DNS History

2 records (1 active, 1 former)

○A123.30.172.962013-05-26 → 2013-05-26 · 3 obs

● 2013-05-26 21:32:22
○ 2015-10-22 13:27:30
○ 2026-05-11 00:02:28

●A210.245.94.92015-10-22 → 2026-05-11 · 3 obs

○ 2013-05-26 21:32:22
● 2015-10-22 13:27:30
● 2026-05-11 00:02:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...	-
obsidian.vn	ns2.matbao.vn, ns3.matbao.vn, ns1.matbao.vn, ns4.matbao.vn	2 records

✅ Authoritative Response

Server:13.250.228.99

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for obsidian.vn (unsigned zone)

⏱️ Timing

Total: 2395ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.245.94.9`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.matbao.vn, ns2.matbao.vn)

Analysis

IP Addresses

hostmaster.obsidian.vn resolves to one IP number: 210.245.94.9.

Other host names for instance mail.gialinheq.com.vn and mail.obsidian.vn share IP numbers with hostmaster.obsidian.vn.

hostmaster.obsidian.vn - robtex.com