sigma.net.vn - robtex.com
sigma.net.vn
net.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.vnpostmaster@vnnic.vn 2018-01-12 #2 | ||||||
Subdomains
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●NSns1.zonedns.vn2018-05-08 → 2026-05-10 · 2 obs
● 2026-05-10 06:44:12
●NSns2.zonedns.vn2018-05-08 → 2026-05-10 · 2 obs
● 2026-05-10 06:44:12
●NSns3.zonedns.vn2018-05-08 → 2026-05-10 · 2 obs
● 2026-05-10 06:44:12
○MXmail.sigma.net.vn2018-05-08 → 2018-05-08 · 3 obs
○ 2026-05-01 09:57:10
○ 2026-05-10 06:44:12
●MXsigma-net-vn.mail.protection.outlook.com2026-05-01 → 2026-05-10 · 3 obs
● 2026-05-01 09:57:10
● 2026-05-10 06:44:12
●A103.28.36.1262026-05-01 → 2026-05-10 · 3 obs
● 2026-05-01 09:57:10
● 2026-05-10 06:44:12
○A103.28.39.1022018-05-08 → 2018-05-08 · 3 obs
○ 2026-05-01 09:57:10
○ 2026-05-10 06:44:12
🔍 DNS Trace
Analysis
Hierarchy
sigma.net.vn is the parent of mail.sigma.net.vn and www.sigma.net.vn.
IP Addresses
sigma.net.vn resolves to a single IP: 103.28.36.126.
Other host names, for instance www.inknova.vn, webdisk.stassen.vn, qa.bvdkquynhluu.gov.vn, www.trungtamtiengnhatnuitruc.edu.vn and cpanel.bvdkquynhluu.gov.vn share IP numbers with sigma.net.vn.
Name Servers
sigma.net.vn delegates to three name servers: ns1.zonedns.vn, ns2.zonedns.vn and ns3.zonedns.vn.
sigma.net.vn shares some name servers with other domains, for example tavinaplastic.vn, xemienbac.vn, thietbilocmiennam.vn, phutungchienhao.com and chotoc.com.
These name servers are often used together with ns4.zonedns.vn, ns2008.nhanhoa.com.vn and ns2009.nhanhoa.com.vn.
Host names with two IP numbers:
ns1.zonedns.vn points to: 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 64.176.84.220.
ns2.zonedns.vn points to: 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 103.176.178.51.
ns3.zonedns.vn points to: 2001:df1:3200::15 and 103.28.36.30.
Names pointing to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33: ns1.zonedns.vn and ns2.zonedns.vn.
Mail Servers
sigma.net.vn is handled by a single mail server, sigma-net-vn.mail.protection.outlook.com.
sigma-net-vn.mail.protection.outlook.com points to six IP numbers: 2a01:111:f403:cc09::, 2a01:111:f403:cc1a::8, 2a01:111:f403:cc1f::4, 52.101.124.117, 52.101.137.0 and 52.101.157.80.