hatechs.edu.vn - robtex.com
hatechs.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=2018565916 | ||||||
Subdomains
Same first word
Similar names
DNS History
12 records (8 active, 4 former)
●NSns1.vdconline.vn2015-06-06 → 2026-05-14 · 2 obs
● 2026-05-14 10:38:36
●NSns2.vdconline.vn2015-06-06 → 2026-05-14 · 2 obs
● 2026-05-14 10:38:36
●MXalt1.aspmx.l.google.com2015-10-24 → 2026-05-14 · 12 obs
● 2016-01-04 14:58:30
○ 2016-04-16 18:24:16
○ 2017-01-12 22:46:14
● 2026-04-30 19:33:00
● 2026-04-30 22:15:34
○ 2026-04-30 22:49:44
● 2026-04-30 23:21:10
● 2026-05-01 06:59:00
○ 2026-05-01 07:41:16
● 2026-05-01 08:19:52
● 2026-05-14 10:38:36
●MXalt2.aspmx.l.google.com2015-10-24 → 2026-05-14 · 12 obs
● 2016-01-04 14:58:30
○ 2016-04-16 18:24:16
○ 2017-01-12 22:46:14
● 2026-04-30 19:33:00
● 2026-04-30 22:15:34
○ 2026-04-30 22:49:44
● 2026-04-30 23:21:10
● 2026-05-01 06:59:00
○ 2026-05-01 07:41:16
● 2026-05-01 08:19:52
● 2026-05-14 10:38:36
●MXalt3.aspmx.l.google.com2015-10-24 → 2026-05-14 · 12 obs
● 2016-01-04 14:58:30
○ 2016-04-16 18:24:16
○ 2017-01-12 22:46:14
● 2026-04-30 19:33:00
● 2026-04-30 22:15:34
○ 2026-04-30 22:49:44
● 2026-04-30 23:21:10
● 2026-05-01 06:59:00
○ 2026-05-01 07:41:16
● 2026-05-01 08:19:52
● 2026-05-14 10:38:36
●MXalt4.aspmx.l.google.com2015-10-24 → 2026-05-14 · 12 obs
● 2016-01-04 14:58:30
○ 2016-04-16 18:24:16
○ 2017-01-12 22:46:14
● 2026-04-30 19:33:00
● 2026-04-30 22:15:34
○ 2026-04-30 22:49:44
● 2026-04-30 23:21:10
● 2026-05-01 06:59:00
○ 2026-05-01 07:41:16
● 2026-05-01 08:19:52
● 2026-05-14 10:38:36
●MXaspmx.l.google.com2015-10-24 → 2026-05-14 · 12 obs
● 2016-01-04 14:58:30
○ 2016-04-16 18:24:16
○ 2017-01-12 22:46:14
● 2026-04-30 19:33:00
● 2026-04-30 22:15:34
○ 2026-04-30 22:49:44
● 2026-04-30 23:21:10
● 2026-05-01 06:59:00
○ 2026-05-01 07:41:16
● 2026-05-01 08:19:52
● 2026-05-14 10:38:36
○MXmail.hatechs.edu.vn2016-04-16 → 2017-01-12 · 5 obs
● 2016-04-16 18:24:16
● 2017-01-12 22:46:14
○ 2026-04-30 19:33:00
○ 2026-05-14 10:38:36
●A103.72.97.1972026-04-30 → 2026-05-14 · 3 obs
● 2026-04-30 19:33:00
● 2026-05-14 10:38:36
○A112.213.84.852016-04-16 → 2016-04-16 · 4 obs
● 2016-04-16 18:24:16
○ 2017-01-12 22:46:14
○ 2026-05-14 10:38:36
○A123.30.182.152017-01-12 → 2017-01-12 · 4 obs
● 2017-01-12 22:46:14
○ 2026-04-30 19:33:00
○ 2026-05-14 10:38:36
○A123.30.182.722015-06-06 → 2016-01-04 · 4 obs
● 2016-01-04 14:58:30
○ 2016-04-16 18:24:16
○ 2026-05-14 10:38:36
🔍 DNS Trace
Analysis
Hierarchy
hatechs.edu.vn is a parent of m.hatechs.edu.vn, thuvien.hatechs.edu.vn and www.hatechs.edu.vn.
IP Addresses
hatechs.edu.vn points to a single IP number: 103.72.97.197.
Other host names, for instance tapchixaydungdothi.amc.edu.vn, amc.edu.vn and m.hatechs.edu.vn share IP numbers with hatechs.edu.vn.
Name Servers
hatechs.edu.vn is delegated to two name servers: ns1.vdconline.vn and ns2.vdconline.vn.
hatechs.edu.vn shares the same name server setup as other domains, for example bvdongythanhhoa.com.vn, giaxaydung.edu.vn, truyenhinhthanhhoa.vn, vinhtai.vn and songhongcorp.com.vn.
Host names with one IP number:
The host ns1.vdconline.vn points to 14.225.41.137 and the host ns2.vdconline.vn points to 14.225.197.109.
Mail Servers
hatechs.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.
hatechs.edu.vn shares mail servers with other domains at least partially, including venturex.nl, garnersgardens.com, ns500759.ns500758.ns500759.ns500759.ns500759.ns500759.ns500698.ns500698.ns500736.ns500736.ns500698.ns500735.ns500698.ns500698.ns500698.ns500576.ns500652.trackreceptor.com, ns500759.ns500758.ns500759.ns500758.ns500736.ns500735.ns500736.ns500698.ns500576.ns500576.ns500619.ns500576.ns500576.trackreceptor.com and ns500759.ns500758.ns500698.ns500698.ns500735.ns500736.ns500736.ns500735.ns500736.ns500735.ns500708.ns500698.ns500576.ns500576.ns500619.ns500576.trackreceptor.com.
these mail servers are often used with aspmx2.googlemail.com and aspmx3.googlemail.com.
Hosts with two IP numbers:
aspmx.l.google.com points to 2607:f8b0:4004:c1b::1a and 172.253.62.27.
alt1.aspmx.l.google.com points to 2a00:1450:4025:402::1a and 142.250.102.27.
alt2.aspmx.l.google.com points to 2607:f8b0:4023:3003::1b and 172.253.145.26.
alt3.aspmx.l.google.com points to 2607:f8b0:4023:1015::1a and 172.253.135.26.
alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1a and 173.194.76.26.