4tek.vn - robtex.com
4tek.vn
vn
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | dns-master.vnnic.vn โญ | ||||||
| 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=2030753836 | ||||||
Subdomains
www.4tek.vn |
Same first word
Similar names
DNS History
10 records (10 active, 0 former)
โNSns1.dotvndns.vn2026-05-01 โ 2026-05-10 ยท 5 obs
โ 2026-05-01 13:46:20
โ 2026-05-01 14:22:24
โ 2026-05-01 14:56:12
โ 2026-05-10 03:44:14
โNSns2.dotvndns.vn2026-05-01 โ 2026-05-10 ยท 5 obs
โ 2026-05-01 13:46:20
โ 2026-05-01 14:22:24
โ 2026-05-01 14:56:12
โ 2026-05-10 03:44:14
โNSns3.dotvndns.vn2026-05-01 โ 2026-05-10 ยท 5 obs
โ 2026-05-01 13:46:20
โ 2026-05-01 14:22:24
โ 2026-05-01 14:56:12
โ 2026-05-10 03:44:14
โNSnsbak.dotvndns.com2026-05-01 โ 2026-05-10 ยท 5 obs
โ 2026-05-01 13:46:20
โ 2026-05-01 14:22:24
โ 2026-05-01 14:56:12
โ 2026-05-10 03:44:14
โMXalt1.aspmx.l.google.com2026-05-01 โ 2026-05-10 ยท 5 obs
โ 2026-05-01 13:46:20
โ 2026-05-01 14:22:24
โ 2026-05-01 14:56:12
โ 2026-05-10 03:44:14
โMXalt2.aspmx.l.google.com2026-05-01 โ 2026-05-10 ยท 5 obs
โ 2026-05-01 13:46:20
โ 2026-05-01 14:22:24
โ 2026-05-01 14:56:12
โ 2026-05-10 03:44:14
โMXalt3.aspmx.l.google.com2026-05-01 โ 2026-05-10 ยท 5 obs
โ 2026-05-01 13:46:20
โ 2026-05-01 14:22:24
โ 2026-05-01 14:56:12
โ 2026-05-10 03:44:14
โMXalt4.aspmx.l.google.com2026-05-01 โ 2026-05-10 ยท 5 obs
โ 2026-05-01 13:46:20
โ 2026-05-01 14:22:24
โ 2026-05-01 14:56:12
โ 2026-05-10 03:44:14
โMXaspmx.l.google.com2026-05-01 โ 2026-05-10 ยท 5 obs
โ 2026-05-01 13:46:20
โ 2026-05-01 14:22:24
โ 2026-05-01 14:56:12
โ 2026-05-10 03:44:14
โA103.138.88.432026-05-01 โ 2026-05-10 ยท 5 obs
โ 2026-05-01 13:46:20
โ 2026-05-01 14:22:24
โ 2026-05-01 14:56:12
โ 2026-05-10 03:44:14
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| 4tek.vn | ns1.dotvndns.vn, ns3.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com | 4 records |
โ Authoritative Response
Server:112.213.89.22
NS records: ns1.dotvndns.vn, ns3.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for 4tek.vn (unsigned zone)
โฑ๏ธ Timing
Total: 2207ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.138.88.43 |
| NS | 4 | ns1.dotvndns.vn, nsbak.dotvndns.com... |
| MX | 5 | alt2.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 1)... |
| TXT | 2 | v=spf1 include:_spf.google.com ~all, google-site-verification=06-fEJPb6wXllwG |
| SOA | 1 | nsbak.dotvndns.com hostmaster.4tek.vn |
๐ Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.dotvndns.vn, ns2.dotvndns.vn, ns1.dotvndns.vn...)
Analysis
Hierarchy
4tek.vn is the parent of www.4tek.vn.
IP Addresses
4tek.vn points to a single IP number: 103.138.88.43.
other host names for instance vinagrivn.vn, www.emc.vn, dienlanhkhaidaiphat.net, gioquatraicaysaigon.com and dienlanhkhaidaiphat.com share IP numbers with 4tek.vn.
Name Servers
4tek.vn is delegated to four name servers: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn and ns3.dotvndns.vn.
4tek.vn at least partially shares name servers with other domains, for instance evy.com.vn, vietnguyengroup.com, camerafullhd.io.vn, noithathoitruong.vn and tms.edu.vn.
These name servers are commonly used with ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net and ns4.dotvndns.vn.
Host names with two IP numbers
nsbak.dotvndns.com points to: 2406:9c80::9000:302 and 112.213.89.22
ns1.dotvndns.vn points to: 2406:9c80::66 and 112.213.89.3
ns2.dotvndns.vn points to: 2406:9c80::9000:111 and 222.255.121.247
Host names with one IP number
ns3.dotvndns.vn points to: 112.213.89.22
Host names that point to 112.213.89.22: nsbak.dotvndns.com and ns3.dotvndns.vn
Mail Servers
4tek.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.
4tek.vn shares mail servers with other domains at least partially, including opto.com.au, digitalhermit.com, ns500698.ns500759.ns500759.ns500759.ns500698.ns500698.ns500735.ns500735.ns500708.ns500576.ns500576.ns500698.ns500619.ns500619.ns500576.trackreceptor.com, ns500759.ns500758.ns500759.ns500758.ns500735.ns500735.ns500735.ns500698.ns500708.ns500708.ns500576.ns500652.ns500652.trackreceptor.com and ns500754.ns500754.ns500742.ns500704.ns500742.ns500671.ns500704.ns500291.ns500649.ns500649.ns500649.ns500291.ns500131.lustychickser.com.
these mail servers are often used with the mail servers aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and aspmx5.googlemail.com.
Hosts with two IP numbers:
aspmx.l.google.com points to 2607:f8b0:4004:c21::1a and 142.250.31.26.
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 172.253.116.27.
alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1b and 192.178.223.26.
alt4.aspmx.l.google.com points to 2607:f8b0:4001:c70::1b and 192.178.209.26.