`saigonpost.com.vn`

DNSSEC	⚠️ Not signed
A	221.133.7.120^{🇻🇳 SPT-AS-VN221.133.4.0/22 SPT-VN}
		PTR	`hcmc6.saigonnet.vn`
NS	`hcmc3.saigonnet.vn` ⭐ ⚠️ Not in parent delegation
		A	103.57.223.6^{🇻🇳 VNPT-AS-VN103.57.220.0/22 INET-VN}
NS	`hcmc4.saigonnet.vn` ⚠️ Not in parent delegation
		A	125.212.192.25^{🇻🇳 VTDC-AS-VN125.212.192.0/24 VIETTEL-VN}
NS	`ns1.inet.vn` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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` ⚠️ Not in zone NS records
		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	`mail.saigonpost.com.vn` ⭐
		A	221.133.17.81^{🇻🇳 SPT-AS-VN221.133.16.0/22 SPT-VN}
SOA	`hcmc3.saigonnet.vn`admin@saigonnet.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=2022706348

Subdomains

mail.saigonpost.com.vn

Same first word

saigonpost.com.vn

saigonpost.vn

DNS History

11 records (7 active, 4 former)

○NShcmc.saigonnet.vn2015-08-21 → 2016-07-08 · 4 obs

● 2015-08-21 00:09:00
● 2016-07-08 01:39:00
○ 2020-03-27 01:26:42
○ 2026-05-09 04:40:52

○NShcmc2.saigonnet.vn2015-08-21 → 2016-07-08 · 4 obs

● 2015-08-21 00:09:00
● 2016-07-08 01:39:00
○ 2026-02-20 20:03:36
○ 2026-05-09 04:40:52

●NShcmc3.saigonnet.vn2020-03-27 → 2026-05-09 · 3 obs

○ 2016-07-08 01:39:00
● 2020-03-27 01:26:42
● 2026-05-09 04:40:52

●NShcmc4.saigonnet.vn2026-02-20 → 2026-05-09 · 3 obs

○ 2020-03-27 01:26:42
● 2026-02-20 20:03:36
● 2026-05-09 04:40:52

●NSns1.inet.vn2026-02-20 → 2026-05-09 · 3 obs

○ 2020-03-27 01:26:42
● 2026-02-20 20:03:36
● 2026-05-09 04:40:52

●NSns2.inet.vn2026-02-20 → 2026-05-09 · 3 obs

○ 2020-03-27 01:26:42
● 2026-02-20 20:03:36
● 2026-05-09 04:40:52

●NSns3.inet.vn2026-02-20 → 2026-05-09 · 3 obs

○ 2020-03-27 01:26:42
● 2026-02-20 20:03:36
● 2026-05-09 04:40:52

●MXmail.saigonpost.com.vn2015-08-21 → 2026-05-09 · 2 obs

● 2015-08-21 00:09:00
● 2026-05-09 04:40:52

○A221.133.0.22020-03-27 → 2020-03-27 · 4 obs

○ 2016-07-08 01:39:00
● 2020-03-27 01:26:42
○ 2026-02-20 20:03:36
○ 2026-05-09 04:40:52

○A221.133.17.812015-08-21 → 2016-07-08 · 4 obs

● 2015-08-21 00:09:00
● 2016-07-08 01:39:00
○ 2020-03-27 01:26:42
○ 2026-05-09 04:40:52

●A221.133.7.1202026-02-20 → 2026-05-09 · 3 obs

○ 2020-03-27 01:26:42
● 2026-02-20 20:03:36
● 2026-05-09 04:40:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
vn	a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...	-
saigonpost.com.vn	ns2.inet.vn, ns3.inet.vn, ns1.inet.vn	-

✅ Authoritative Response

Server:210.211.99.38

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 1739ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`221.133.7.120`
NS	2	`hcmc3.saigonnet.vn, hcmc4.saigonnet.vn`
MX	1	`mail.saigonpost.com.vn (pri: 10)`
SOA	1	`hcmc3.saigonnet.vn admin.saigonnet.vn`

Analysis

Hierarchy

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

IP Addresses

saigonpost.com.vn points to a single IP number: 221.133.7.120.

Other host names such as sgp.vn and oxy.com.vn share IP numbers with saigonpost.com.vn.

Name Servers

saigonpost.com.vn is delegated to five name servers: ns1.inet.vn, ns2.inet.vn, ns3.inet.vn, hcmc3.saigonnet.vn and hcmc4.saigonnet.vn.

saigonpost.com.vn at least partially shares name servers with other domains, for instance trentonnails.com, novaco.com.vn, giadahoacuong.net, traihomcongtho2luthanh.vn and topceo.edu.vn.

These name servers are commonly used with the name servers ns-master.inet.vn.

Host names with two IP numbers:

The host name ns1.inet.vn points to: 2001:df7:ce00:1::7 and 202.92.4.25.

The host name ns2.inet.vn points to: 2401:5f80:2001:4::30 and 210.211.99.38.

The host name ns3.inet.vn points to: 2401:5f80:4001:4::14 and 203.113.174.42.

Host names with one IP number:

The host name hcmc3.saigonnet.vn points to: 103.57.223.6.

The host name hcmc4.saigonnet.vn points to: 125.212.192.25.

Mail Servers

saigonpost.com.vn is handled by a single mail server, mail.saigonpost.com.vn.

mail.saigonpost.com.vn points to a single IP: 221.133.17.81.

saigonpost.com.vn - robtex.com