`maybio.com.vn`

DNSSEC	⚠️ Not signed
A	103.57.220.209^{🇻🇳 VNPT-AS-VN103.57.220.0/22 INET-VN}
NS	`ns-master.inet.vn` ⭐
		A	202.92.4.8^{🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN}
NS	`ns1.inet.vn`
		A	2001:df7:ce00:1::7^{🇻🇳 VNPT-AS-VN2001:df7:ce00::/48 INETSOFT-VN Inet software one member company limited}
		A	202.92.4.25^{🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN}
NS	`ns2.inet.vn`
		A	2401:5f80:2001:4::30^{🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN}
		A	210.211.99.38^{🇻🇳 VTDC-AS-VN210.211.99.0/24 Proxy-registered route object}
NS	`ns3.inet.vn`
		A	2401:5f80:4001:4::14^{🇻🇳 VTDC-AS-VN2401:5f80:4000::/36 VTDC-VN}
		A	203.113.174.42^{🇻🇳 VTDC-AS-VN203.113.174.0/23 VIETTEL-VN}
MX	`mx1.onemail.vn` ⭐
		A	103.216.116.14^{🇻🇳 VNPT-AS-VN103.216.116.0/22 INETSOFT-VN}
			PTR	`mx1.smtp-in.onemail.vn`
MX	`mx2.onemail.vn` ⭐
		A	103.72.96.29^{🇻🇳 INETSOFT-AS-VN103.72.96.0/22 INETSOFT-VN}
			PTR	`mx2.smtp-in.onemail.vn`
MX	`mx3.onemail.vn` ⭐
		A	103.56.162.10^{🇻🇳 VNPT-AS-VN103.56.160.0/22 INETSOFT-VN}
			PTR	`mx3.smtp-in.onemail.vn`
TXT	`v=spf1 include:_spf.onemail.vn include:_spf.haravan.com ~all`
SOA	`ns-master.inet.vn`postmaster@inet.vn 2015-07-28 #0

`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=2022711899

Subdomains

www.maybio.com.vn

Same first word

maybio.com

maybio.com.vn

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DNS History

8 records (8 active, 0 former)

●NSns-master.inet.vn2026-05-01 → 2026-05-12 · 2 obs

● 2026-05-01 16:38:54
● 2026-05-12 11:01:02

●NSns1.inet.vn2026-05-01 → 2026-05-12 · 2 obs

● 2026-05-01 16:38:54
● 2026-05-12 11:01:02

●NSns2.inet.vn2026-05-01 → 2026-05-12 · 2 obs

● 2026-05-01 16:38:54
● 2026-05-12 11:01:02

●NSns3.inet.vn2026-05-01 → 2026-05-12 · 2 obs

● 2026-05-01 16:38:54
● 2026-05-12 11:01:02

●MXmx1.onemail.vn2026-05-01 → 2026-05-12 · 2 obs

● 2026-05-01 16:38:54
● 2026-05-12 11:01:02

●MXmx2.onemail.vn2026-05-01 → 2026-05-12 · 2 obs

● 2026-05-01 16:38:54
● 2026-05-12 11:01:02

●MXmx3.onemail.vn2026-05-01 → 2026-05-12 · 2 obs

● 2026-05-01 16:38:54
● 2026-05-12 11:01:02

●A103.57.220.2092026-05-01 → 2026-05-12 · 2 obs

● 2026-05-01 16:38:54
● 2026-05-12 11:01:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...	-
maybio.com.vn	ns1.inet.vn, ns2.inet.vn, ns3.inet.vn	-

✅ Authoritative Response

Server:202.92.4.25

NS records: ns1.inet.vn, ns2.inet.vn, ns3.inet.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1731ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.57.220.209`
NS	3	`ns1.inet.vn, ns3.inet.vn...`
MX	3	`mx1.onemail.vn (pri: 0), mx3.onemail.vn (pri: 0)...`
TXT	1	`v=spf1 include:_spf.onemail.vn include:_`
SOA	1	`ns-master.inet.vn postmaster.inet.vn`