4tek.vn - robtex.com

4tek.vn

DNSSECโš ๏ธ Not signed
A103.138.88.43๐Ÿ‡ป๐Ÿ‡ณ VNPT-AS-VN103.138.88.0/23 VNPT-NET
NSnsbak.dotvndns.com โญ
A2406:9c80::9000:302๐Ÿ‡ป๐Ÿ‡ณ SUPERDATA2406:9c80::/48 -VN
PTRnsbak.dotvndns.com
A112.213.89.22๐Ÿ‡ป๐Ÿ‡ณ SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi
PTRns8922.dotvndns.vn
NSns1.dotvndns.vn
A2406:9c80::66๐Ÿ‡ป๐Ÿ‡ณ SUPERDATA2406:9c80::/48 -VN
PTRns1.dotvndns.vn
A112.213.89.3๐Ÿ‡ป๐Ÿ‡ณ SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi
PTRns1.dotvndns.vn
NSns2.dotvndns.vn
A2406:9c80::9000:111๐Ÿ‡ป๐Ÿ‡ณ SUPERDATA2406:9c80::/48 -VN
PTRns2.dotvndns.vn
A222.255.121.247๐Ÿ‡ป๐Ÿ‡ณ VDC222.255.121.0/24 VNPT
PTRstatic.vdc.vn
PTRstatic.vnpt.vn
NSns3.dotvndns.vn
A112.213.89.22๐Ÿ‡ป๐Ÿ‡ณ SUPERDATA112.213.89.0/24 Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi
PTRns8922.dotvndns.vn
MXaspmx.l.google.com โญ
A2607:f8b0:4004:c21::1a๐Ÿ‡บ๐Ÿ‡ธ Google2607:f8b0:4004::/48
PTRpe-in-f26.1e100.net
A142.250.31.26๐Ÿ‡บ๐Ÿ‡ธ Google142.250.31.0/24
PTRbj-in-f26.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b๐Ÿ‡จ๐Ÿ‡ฑ Google2800:3f0:4003::/48
A108.177.123.26๐Ÿ‡บ๐Ÿ‡ธ Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2a00:1450:400b:c02::1a๐Ÿ‡ฎ๐Ÿ‡ช Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27๐Ÿ‡บ๐Ÿ‡ธ Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1b๐Ÿ‡ฌ๐Ÿ‡ง Google2a00:1450:4009::/48
PTRyulhrs-in-f27.1e100.net
A192.178.223.26๐Ÿ‡บ๐Ÿ‡ธ Google192.178.223.0/24
PTRyulhrs-in-f26.1e100.net
MXalt4.aspmx.l.google.com(10)
A2607:f8b0:4001:c70::1b๐Ÿ‡บ๐Ÿ‡ธ Google2607:f8b0:4001::/48
PTRyucbful-in-f27.1e100.net
A192.178.209.26๐Ÿ‡บ๐Ÿ‡ธ Google192.178.209.0/24
PTRyucbful-in-f26.1e100.net
TXTv=spf1 include:_spf.google.com ~all
TXTgoogle-site-verification=06-fEJPb6wXllwGyb6ilkxWfmkZJMzGs-CGZwkJ60SA
SOAnsbak.dotvndns.comhostmaster@4tek.vn 2024-05-08 #13

vn

DNSSEC๐Ÿ”’ Signed (DS record present)
NSdns-master.vnnic.vn โญ
NSa.dns-servers.vn
NSb.dns-servers.vn
NSc.dns-servers.vn
NSd.dns-servers.vn
NSe.dns-servers.vn
NSf.dns-servers.vn
NSg.dns-servers.vn
NSh.dns-servers.vn
SOAdns-master.vnnic.vnpostmaster@vnnic.vn serial=2030753836

Subdomains

Same first word

Similar names

DNS History

10 records (10 active, 0 former)

NSns1.dotvndns.vnns2.dotvndns.vnns3.dotvndns.vnnsbak.dotvndns.comMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.comA103.138.88.43
โ—NSns1.dotvndns.vn2026-05-01 โ†’ 2026-05-10 ยท 5 obs
โ— 2026-05-01 12:36:20
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
โ—NSns2.dotvndns.vn2026-05-01 โ†’ 2026-05-10 ยท 5 obs
โ— 2026-05-01 12:36:20
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
โ—NSns3.dotvndns.vn2026-05-01 โ†’ 2026-05-10 ยท 5 obs
โ— 2026-05-01 12:36:20
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
โ—NSnsbak.dotvndns.com2026-05-01 โ†’ 2026-05-10 ยท 5 obs
โ— 2026-05-01 12:36:20
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
โ—MXalt1.aspmx.l.google.com2026-05-01 โ†’ 2026-05-10 ยท 5 obs
โ— 2026-05-01 12:36:20
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
โ—MXalt2.aspmx.l.google.com2026-05-01 โ†’ 2026-05-10 ยท 5 obs
โ— 2026-05-01 12:36:20
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
โ—MXalt3.aspmx.l.google.com2026-05-01 โ†’ 2026-05-10 ยท 5 obs
โ— 2026-05-01 12:36:20
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
โ—MXalt4.aspmx.l.google.com2026-05-01 โ†’ 2026-05-10 ยท 5 obs
โ— 2026-05-01 12:36:20
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
โ—MXaspmx.l.google.com2026-05-01 โ†’ 2026-05-10 ยท 5 obs
โ— 2026-05-01 12:36:20
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
โ—A103.138.88.432026-05-01 โ†’ 2026-05-10 ยท 5 obs
โ— 2026-05-01 12:36:20
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

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
vna.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn...-
4tek.vnns1.dotvndns.vn, ns3.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com4 records

โœ… Authoritative Response

Server:112.213.89.22

NS records: ns1.dotvndns.vn, ns3.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for 4tek.vn (unsigned zone)

โฑ๏ธ Timing

Total: 2207ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A1103.138.88.43
NS4ns1.dotvndns.vn, nsbak.dotvndns.com...
MX5alt2.aspmx.l.google.com (pri: 5), aspmx.l.google.com (pri: 1)...
TXT2v=spf1 include:_spf.google.com ~all, google-site-verification=06-fEJPb6wXllwG
SOA1nsbak.dotvndns.com hostmaster.4tek.vn

๐Ÿ“Œ 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.