`fcbv.com.vn`

DNSSEC	⚠️ Not signed
A	103.243.168.23^{🇻🇳 FCBV-VN103.243.168.0/24}
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}
MX	`mail.fcbv.com.vn` ⭐
		A	103.243.168.30^{🇻🇳 FCBV-VN103.243.168.0/24}
TXT	`"v=spf1 mx a ip4:103.243.168.30 -all"`
TXT	`v=spf1 a mx ip4:103.243.168.30 ~all`
SOA	`ns1.zonedns.vn`root@fcbv.com.vn 2026-04-29 #3

`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=2022708549

Subdomains

mail.fcbv.com.vn

Same first word

fcbv.sytes.net

fcbv.com

fcbv.com.vn

fcbv.vn

fcbv.cn

fcbv.de

Similar names

vbcf.com

bvfc.org

fcvb.fr

bcfv.org

vcfb.com

fcvb.com

cfbv.cn

vcfb.de

vcfb.cn

bvcf.com

fvbc.cn

vfbc.com

vcbf.com

vcbf.de

vfcb.net

fvcb.com.br

bvcf.net

vfcb.com

vbfc.in

bvcf.de

cfvb.org

fcvb.cz

cvbf.com

bfvc.cn

vcbf.ca

bvfc.de

bfvc.com

vbcf.ac.at

bvcf.be

cfbv.org

bfvc.net

bcfv.cn

fbvc.com

fbcv.com

vbcf.org

bcvf.be

bvcf.ca

bvfc.com

bvfc.ca

cvfb.org

fcvb.org

fcvb.ru

fbcv.org

bvfc.com.au

bcvf.com

bfvc.de

bcvf.ru

bvcf.org

bvcf.ch

cfbv.com

vfbc.net

bcfv.com

bcfv.be

fcvb.ca

cfvb.cn

fbcv.es

cfvb.com

vbfc.org

fvcb.org

fcvb.myshopify.com

fvcb.com

fbvc.ch

vbcf.fi

cbfv.com

fcvb.cn

vbfc.co.uk

cvbf.net

bvcf.cn

vbfc.com

bfvc.org

vbcf.org.au

fvbc.de

cbvf.com

DNS History

6 records (6 active, 0 former)

●NSns1.zonedns.vn2026-05-10 → 2026-05-10 · 2 obs

● 2026-05-10 08:36:00
● 2026-05-10 21:26:00

●NSns2.zonedns.vn2026-05-10 → 2026-05-10 · 2 obs

● 2026-05-10 08:36:00
● 2026-05-10 21:26:00

●NSns3.zonedns.vn2026-05-10 → 2026-05-10 · 2 obs

● 2026-05-10 08:36:00
● 2026-05-10 21:26:00

●NSns4.zonedns.vn2026-05-10 → 2026-05-10 · 2 obs

● 2026-05-10 08:36:00
● 2026-05-10 21:26:00

●MXmail.fcbv.com.vn2026-05-10 → 2026-05-10 · 2 obs

● 2026-05-10 08:36:00
● 2026-05-10 21:26:00

●A103.243.168.232026-05-10 → 2026-05-10 · 2 obs

● 2026-05-10 08:36:00
● 2026-05-10 21:26:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
fcbv.com.vn	ns4.zonedns.vn, ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn	-

✅ Authoritative Response

Server:103.176.178.51

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 2011ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.243.168.23`
NS	4	`ns1.zonedns.vn, ns2.zonedns.vn...`
MX	1	`mail.fcbv.com.vn (pri: 10)`
TXT	2	`"v=spf1 mx a ip4:103.243.168.30 -al, v=spf1 a mx ip4:103.243.168.30 ~all`
SOA	1	`ns1.zonedns.vn root.fcbv.com.vn`

Analysis

Hierarchy

fcbv.com.vn is a parent of mail.fcbv.com.vn.

IP Addresses

fcbv.com.vn points to a single IP number: 103.243.168.23.

Other host names such as www.fcbv.vn and fcbv.vn share IP numbers with fcbv.com.vn.

Name Servers

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

fcbv.com.vn at least partially shares name servers with other domains, for instance phuclong.com, edufine.vn, vntokyo.com.vn, thuyenviet.com and vngo.vn.