vtec.edu.vn - robtex.com
vtec.edu.vn
edu.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 serial=2018565207 | ||||||
Subdomains
mail.vtec.edu.vn |
tuyensinh.vtec.edu.vn |
www.vtec.edu.vn |
Same first word
Similar names
DNS History
9 records (8 active, 1 former)
●NShcm-server1.vnn.vn2019-01-04 → 2026-05-12 · 2 obs
● 2026-05-12 01:30:30
●MXalt1.aspmx.l.google.com2026-05-01 → 2026-05-12 · 3 obs
● 2026-05-01 02:08:06
● 2026-05-12 01:30:30
●MXalt2.aspmx.l.google.com2026-05-01 → 2026-05-12 · 3 obs
● 2026-05-01 02:08:06
● 2026-05-12 01:30:30
●MXalt3.aspmx.l.google.com2026-05-01 → 2026-05-12 · 3 obs
● 2026-05-01 02:08:06
● 2026-05-12 01:30:30
●MXalt4.aspmx.l.google.com2026-05-01 → 2026-05-12 · 3 obs
● 2026-05-01 02:08:06
● 2026-05-12 01:30:30
●MXaspmx.l.google.com2026-05-01 → 2026-05-12 · 3 obs
● 2026-05-01 02:08:06
● 2026-05-12 01:30:30
○MXmail.vtec.edu.vn2019-01-04 → 2019-01-04 · 3 obs
○ 2026-05-01 02:08:06
○ 2026-05-12 01:30:30
●A113.160.148.2012019-01-04 → 2026-05-12 · 2 obs
● 2026-05-12 01:30:30
🔍 DNS Trace
Analysis
Hierarchy
vtec.edu.vn is a parent of mail.vtec.edu.vn, tuyensinh.vtec.edu.vn and www.vtec.edu.vn.
IP Addresses
vtec.edu.vn maps to IP address 113.160.148.201.
Other host names, for example mail.vtec.edu.vn, nhapdiem.vp-cet.edu.vn and tuyensinh.vtec.edu.vn share the same IP as vtec.edu.vn.
Name Servers
Two name servers hcm-server1.vnn.vn and vdc-hn01.vnn.vn are delegated to vtec.edu.vn.
vtec.edu.vn uses the same name server configuration as other domains, such as bokap.com.vn, 80.161.113.in-addr.arpa, 59.162.203.in-addr.arpa, urencohp.com.vn and 178.16.123.in-addr.arpa.
vtec.edu.vn shares some name servers with other domains, for example shingmarkhospital.com.vn.
Host names with two IPs:
hcm-server1.vnn.vn points to 2001:ee0:3281:8000::8 and 203.162.4.1.
vdc-hn01.vnn.vn points to 2001:ee0:3281::8 and 203.162.0.11.
Mail Servers
vtec.edu.vn is handled by five mail servers: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.
vtec.edu.vn shares mail servers with other domains at least in part, for instance mijnpc.nu, eyeinwireless.com, wicloudpos.com, googleapis-cn.com and momokurikakiya.com.
These mail servers are often used together with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Two IPs per host name:
aspmx.l.google.com points to: 2607:f8b0:4023:c06::1b and 142.251.2.27
alt1.aspmx.l.google.com points to: 2800:3f0:4003:c0f::1b and 108.177.123.26
alt2.aspmx.l.google.com points to: 2a00:1450:400b:c02::1a and 172.253.116.26
alt3.aspmx.l.google.com points to: 2a00:1450:4009:c0f::1b and 192.178.223.27
alt4.aspmx.l.google.com points to: 2a00:1450:400c:c00::1b and 173.194.76.26
Pattern: left IDs ascend by 9 (12, 21, 30, 39, 48); each pair of targets ascend by 9 (15/18, 24/27, 33/36, 42/45, 51/54)