`trienhungkbc.com`

DNSSEC	⚠️ Not signed
A	210.245.90.209^{🇻🇳 FPT-AS-AP210.245.88.0/21 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}
		PTR	`210-245-90-209.shared.hostvn.net`
NS	`ns36.hostvn.net` ⭐ ⚠️ Not in parent delegation
		A	210.245.90.208^{🇻🇳 FPT-AS-AP210.245.88.0/21 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}
			PTR	`210-245-90-208.shared.hostvn.net`
NS	`ns37.hostvn.net` ⚠️ Not in parent delegation
		A	210.245.90.208^{🇻🇳 FPT-AS-AP210.245.88.0/21 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}
			PTR	`210-245-90-208.shared.hostvn.net`
NS	`ns39.hostvn.net` ⚠️ Not in zone NS records
		A	210.245.90.209^{🇻🇳 FPT-AS-AP210.245.88.0/21 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}
			PTR	`210-245-90-209.shared.hostvn.net`
NS	`ns40.hostvn.net` ⚠️ Not in zone NS records
		A	210.245.90.209^{🇻🇳 FPT-AS-AP210.245.88.0/21 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}
			PTR	`210-245-90-209.shared.hostvn.net`
MX	`trienhungkbc.com` ⭐
		A	210.245.90.209^{🇻🇳 FPT-AS-AP210.245.88.0/21 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}
			PTR	`210-245-90-209.shared.hostvn.net`
SOA	`ns36.hostvn.net`root@serv16.hostvn.net 2026-06-06 #1

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1785301252

MX for

trienhungkbc.com

Same first word

trienhungkbc.com

DNS History

6 records (6 active, 0 former)

●NSns36.hostvn.net2026-06-11 → 2026-07-29 · 3 obs

○ 2015-05-20 14:12:18
● 2026-06-11 21:52:48
● 2026-07-29 05:14:02

●NSns37.hostvn.net2026-06-11 → 2026-07-29 · 3 obs

○ 2015-05-20 14:12:18
● 2026-06-11 21:52:48
● 2026-07-29 05:14:02

●NSns39.hostvn.net2015-05-20 → 2026-07-29 · 2 obs

● 2015-05-20 14:12:18
● 2026-07-29 05:14:02

●NSns40.hostvn.net2015-05-20 → 2026-07-29 · 2 obs

● 2015-05-20 14:12:18
● 2026-07-29 05:14:02

●MXtrienhungkbc.com2015-05-20 → 2026-07-29 · 2 obs

● 2015-05-20 14:12:18
● 2026-07-29 05:14:02

●A210.245.90.2092015-05-20 → 2026-07-29 · 2 obs

● 2015-05-20 14:12:18
● 2026-07-29 05:14:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net, c.gtld-servers.net...	-
trienhungkbc.com	ns39.hostvn.net, ns40.hostvn.net	-

✅ Authoritative Response

Server:210.245.90.209

NS records: ns39.hostvn.net, ns40.hostvn.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for trienhungkbc.com (unsigned zone)

⏱️ Timing

Total: 1393ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`210.245.90.209`
NS	2	`ns37.hostvn.net, ns36.hostvn.net`
MX	1	`trienhungkbc.com (pri: 0)`
SOA	1	`ns36.hostvn.net root.serv16.hostvn.net`

Analysis

Mail Server Role

trienhungkbc.com acts as its own mail server.

IP Addresses

trienhungkbc.com points to a single IP number: 210.245.90.209.

Additional host names — lullabybaby.vn, toptechvietnam.com.vn, webmail.vienthongbac.vn and two others — share IP numbers with trienhungkbc.com.

Name Servers

trienhungkbc.com has four authoritative name servers: ns36.hostvn.net, ns37.hostvn.net, ns39.hostvn.net and ns40.hostvn.net.

The name servers of trienhungkbc.com overlap at least partially with those of other domains — among them congnghemay.info, yeungontinh.online, fms2026.vn and two more.

ns36.hostvn.net and ns37.hostvn.net each resolve to 210.245.90.208, while ns39.hostvn.net and ns40.hostvn.net each resolve to 210.245.90.209.

Host names pointing to 210.245.90.208 IP addresses: ns36.hostvn.net and ns37.hostvn.net.

Host names pointing to 210.245.90.209 IP addresses: ns39.hostvn.net and ns40.hostvn.net.

Mail Servers

trienhungkbc.com has a single mail server: trienhungkbc.com itself.

trienhungkbc.com has exactly one IP number: 210.245.90.209.

trienhungkbc.com - robtex.com