`bic-japan.com`

DNSSEC	⚠️ Not signed
NS	`ns.bic-japan.com` ⭐ ⚠️ Not in parent delegation
		A	10.159.136.135
NS	`ns1.vdc2.vn`
		A	14.225.232.25^{🇻🇳 VNPT-AS-VN14.225.232.0/24 VNPT}
			PTR	`static.vnpt.vn`
NS	`ns2.vdc2.vn`
		A	14.225.232.26^{🇻🇳 VNPT-AS-VN14.225.232.0/24 VNPT}
			PTR	`static.vnpt.vn`
MX	`mx.vnptemail.vn` ⭐
		A	123.31.35.94^{🇻🇳 VNPT-AS-VN123.31.35.0/24 VNPT}
			PTR	`gwftm-vnpt.vnptit.vn`
TXT	`v=spf1 a mx include:spf.vnptemail.vn ~all`
SOA	`ns.bic-japan.com`admhosting@vnpt.vn serial=1690875043

`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=1775944477

Subdomains

ns.bic-japan.com

Same first word

bic-japan.jp

bic-japan.co.jp

bic-japan.com

DNS History

5 records (4 active, 1 former)

●NSns.bic-japan.com2015-08-07 → 2026-04-11 · 2 obs

● 2015-08-07 22:58:28
● 2026-04-11 22:08:22

●NSns1.vdc2.vn2026-03-03 → 2026-04-11 · 3 obs

○ 2015-08-07 22:58:28
● 2026-03-03 15:47:10
● 2026-04-11 22:08:22

●NSns2.vdc2.vn2026-03-03 → 2026-04-11 · 3 obs

○ 2015-08-07 22:58:28
● 2026-03-03 15:47:10
● 2026-04-11 22:08:22

●MXmx.vnptemail.vn2026-03-03 → 2026-04-11 · 3 obs

○ 2016-12-12 07:50:08
● 2026-03-03 15:47:10
● 2026-04-11 22:08:22

○MXmx2.smd.vnn.vn2015-08-07 → 2016-12-12 · 4 obs

● 2015-08-07 22:58:28
● 2016-12-12 07:50:08
○ 2026-03-03 15:47:10
○ 2026-04-11 22:08:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, f.gtld-servers.net, e.gtld-servers.net, h.gtld-servers.net...	-
bic-japan.com	ns1.vdc2.vn, ns2.vdc2.vn	-

✅ Authoritative Response

Server:14.225.232.25

NS records: ns1.vdc2.vn, ns2.vdc2.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bic-japan.com (unsigned zone)

⏱️ Timing

Total: 1316ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns2.vdc2.vn, ns.bic-japan.com...`
MX	1	`mx.vnptemail.vn (pri: 10)`
TXT	1	`v=spf1 a mx include:spf.vnptemail.vn ~al`
SOA	1	`ns.bic-japan.com admhosting.vnpt.vn`

Analysis

Hierarchy

The parent of ns.bic-japan.com is bic-japan.com.

Name Servers

bic-japan.com is delegated to three name servers: ns.bic-japan.com, ns1.vdc2.vn and ns2.vdc2.vn.

bic-japan.com at least partially shares name servers with other domains, for example unit.vn, sonadezi.com.vn, chinhtuc.com.vn, caolanh1.edu.vn and goshukohsan.com.vn.

Host names with a single IP address:

ns.bic-japan.com resolves to 10.159.136.135.

ns1.vdc2.vn resolves to 14.225.232.25.

ns2.vdc2.vn resolves to 14.225.232.26.

Mail Servers

The mx.vnptemail.vn mail server handles bic-japan.com.

bic-japan.com shares the same mail server setup as other domains, including khaidong-geeway.com, pct.edu.vn, dientht.vn, ttsco.vn and cevimetal.com.vn.

bic-japan.com shares some mail servers with other domains, at least partially, for instance vietlink-express.vn, bvtwct.vn, tanlongvan.com.vn and cyk.edu.vn.

These mail servers are often used with mx-02.netcenter.vn and mailhosting.netcenter.net.vn.

mx.vnptemail.vn points to a single IP number: 123.31.35.94.

bic-japan.com - robtex.com

bic-japan.com

com