`csvina.com`

DNSSEC	⚠️ Not signed
NS	`ns1.matbao.com` ⭐ ⚠️ Not in parent delegation
		A	13.250.228.99^{🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix}
			PTR	`ec2-13-250-228-99.ap-southeast-1.compute.amazonaws.com`
		A	103.110.128.60^{🇻🇳 AXYS-VN103.110.128.0/23}
NS	`ns1.matbao.vn` ⚠️ Not in zone NS records
		A	13.250.228.99^{🇸🇬 Amazon13.250.0.0/15 EC2 SIN prefix}
			PTR	`ec2-13-250-228-99.ap-southeast-1.compute.amazonaws.com`
		A	103.110.128.60^{🇻🇳 AXYS-VN103.110.128.0/23}
NS	`ns2.matbao.com` ⚠️ Not in parent delegation
		A	35.198.203.127^{🇸🇬 Google35.198.192.0/20}
			PTR	`127.203.198.35.bc.googleusercontent.com`
		A	103.138.89.11^{🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET}
NS	`ns2.matbao.vn` ⚠️ Not in zone NS records
		A	35.198.203.127^{🇸🇬 Google35.198.192.0/20}
			PTR	`127.203.198.35.bc.googleusercontent.com`
		A	103.138.89.11^{🇻🇳 VNPT-AS-VN103.138.88.0/23 VNPT-NET}
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽²⁰⁾
		A	2a00:1450:400b:c02::1b^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f27.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽³⁰⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽³⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
SOA	`ns1.matbao.com`admin@matbao.com serial=17082023

`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=1778310776

Same first word

csvina.com

csvina.vn

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DNS History

9 records (9 active, 0 former)

●NSns1.matbao.com2015-08-22 → 2026-05-09 · 2 obs

● 2015-08-22 08:18:00
● 2026-05-09 07:25:32

●NSns1.matbao.vn2026-03-26 → 2026-05-09 · 3 obs

○ 2015-08-22 08:18:00
● 2026-03-26 14:37:30
● 2026-05-09 07:25:32

●NSns2.matbao.com2015-08-22 → 2026-05-09 · 2 obs

● 2015-08-22 08:18:00
● 2026-05-09 07:25:32

●NSns2.matbao.vn2026-03-26 → 2026-05-09 · 3 obs

○ 2015-08-22 08:18:00
● 2026-03-26 14:37:30
● 2026-05-09 07:25:32

●MXalt1.aspmx.l.google.com2015-08-22 → 2026-05-09 · 2 obs

● 2015-08-22 08:18:00
● 2026-05-09 07:25:32

●MXalt2.aspmx.l.google.com2015-08-22 → 2026-05-09 · 2 obs

● 2015-08-22 08:18:00
● 2026-05-09 07:25:32

●MXaspmx.l.google.com2015-08-22 → 2026-05-09 · 2 obs

● 2015-08-22 08:18:00
● 2026-05-09 07:25:32

●MXaspmx2.googlemail.com2015-08-22 → 2026-05-09 · 2 obs

● 2015-08-22 08:18:00
● 2026-05-09 07:25:32

●MXaspmx3.googlemail.com2015-08-22 → 2026-05-09 · 2 obs

● 2015-08-22 08:18:00
● 2026-05-09 07:25:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net...	-
csvina.com	ns1.matbao.vn, ns2.matbao.vn	-

✅ Authoritative Response

Server:103.138.89.11

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for csvina.com (unsigned zone)

⏱️ Timing

Total: 2119ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.matbao.com, ns2.matbao.com`
MX	5	`alt1.aspmx.l.google.com (pri: 20), aspmx.l.google.com (pri: 10)...`
SOA	1	`ns1.matbao.com admin.matbao.com`

Analysis

Name Servers

csvina.com delegates to four name servers: ns1.matbao.com, ns2.matbao.com, ns1.matbao.vn and ns2.matbao.vn.

csvina.com at least partially shares name servers with other domains, for instance phutungoto.net, danphat.vn, leomvn.com, madegreen.vn and ichiban.com.vn.