o2tech.vn - robtex.com
o2tech.vn
vn
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn | ||||||
| NS | b.dns-servers.vn | ||||||
| NS | c.dns-servers.vn | ||||||
| NS | d.dns-servers.vn | ||||||
| NS | e.dns-servers.vn | ||||||
| NS | f.dns-servers.vn | ||||||
| NS | g.dns-servers.vn | ||||||
| NS | h.dns-servers.vn | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2030764252 | ||||||
Subdomains
Same first word
Similar names
DNS History
10 records (10 active, 0 former)
●MXalt1.aspmx.l.google.com2026-05-01 → 2026-05-12 · 2 obs
● 2026-05-12 14:39:16
●MXalt2.aspmx.l.google.com2026-05-01 → 2026-05-12 · 2 obs
● 2026-05-12 14:39:16
●MXalt3.aspmx.l.google.com2026-05-01 → 2026-05-12 · 2 obs
● 2026-05-12 14:39:16
●MXalt4.aspmx.l.google.com2026-05-01 → 2026-05-12 · 2 obs
● 2026-05-12 14:39:16
●MXaspmx.l.google.com2026-05-01 → 2026-05-12 · 2 obs
● 2026-05-12 14:39:16
●MXmail.o2tech.vn2026-05-01 → 2026-05-12 · 2 obs
● 2026-05-12 14:39:16
●A103.187.168.1982026-05-01 → 2026-05-12 · 2 obs
● 2026-05-12 14:39:16
🔍 DNS Trace
Analysis
Hierarchy
o2tech.vn is the parent of storage.o2tech.vn and mail.o2tech.vn.
IP Addresses
o2tech.vn points to an IP address: 103.187.168.198.
other host names include api-govtech.apps.gov.vn, cms.apps.gov.vn, tech.mic.gov.vn, apps.gov.vn and govtech.apps.gov.vn; they share IP numbers with o2tech.vn.
Name Servers
o2tech.vn is delegated to three name servers ns1.bkdns.vn, ns2.bkdns.vn and ns3.bkdns.vn.
o2tech.vn at least partially shares name servers with other domains, for instance anhuyetomy.vn, chothuexehaiphong.com.vn, truongxiec.edu.vn, tienganhphuloidongnai.edu.vn and vangas.com.vn.
Host names with a single IP address: ns1.bkdns.vn points to 103.48.81.11.
Mail Servers
Six mail servers handle o2tech.vn: mail.o2tech.vn, 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.
o2tech.vn shares at least partially some mail servers with other domains, for instance pmtrucking.net, sixtinagroup.com, ns500698.ns500698.ns500758.ns500698.ns500698.ns500736.ns500698.ns500698.ns500576.ns500698.ns500619.ns500652.trackreceptor.com, ns500754.ns500754.ns500742.ns500742.ns500704.ns500671.ns500704.ns500291.ns500678.ns500666.ns500649.ns500153.tenderladiesbz.com and ns500765.ns500699.ns500699.ns500734.ns500693.ns500734.ns500734.ns500699.ns500699.ns500683.ns500693.ns500683.ns500612.ns500110.dtrkdll.com.
Mail servers frequently appear alongside aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Host names with two IPs:
aspmx.l.google.com points to 2607:f8b0:4004:c08::1a and 172.253.115.27
alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1a and 192.178.128.27
alt2.aspmx.l.google.com points to 2a00:1450:400b:c02::1b and 172.253.116.26
alt3.aspmx.l.google.com points to 2607:f8b0:4023:1015::1b and 172.253.135.27
alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1a and 173.194.76.27
Host with one IP:
mail.o2tech.vn points to 103.74.122.164