tcs.vn - robtex.com
tcs.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=2031063775 | ||||||
MX for
tcs.vn |
Same first word
Similar names
DNS History
16 records (9 active, 7 former)
●NSns1.vdconline.vn2017-01-10 → 2026-08-01 · 2 obs
● 2026-08-01 23:03:52
●NSns2.vdconline.vn2017-01-10 → 2026-08-01 · 2 obs
● 2026-08-01 23:03:52
○MX75.98.175.982017-01-10 → 2017-01-10 · 3 obs
○ 2026-07-26 02:58:32
○ 2026-08-01 23:03:52
●MXalt1.aspmx.l.google.com2017-01-10 → 2026-08-01 · 2 obs
● 2026-08-01 23:03:52
●MXalt2.aspmx.l.google.com2017-01-10 → 2026-08-01 · 2 obs
● 2026-08-01 23:03:52
●MXalt3.aspmx.l.google.com2026-07-26 → 2026-08-01 · 3 obs
● 2026-07-26 02:58:32
● 2026-08-01 23:03:52
●MXalt4.aspmx.l.google.com2026-07-26 → 2026-08-01 · 3 obs
● 2026-07-26 02:58:32
● 2026-08-01 23:03:52
●MXaspmx.l.google.com2017-01-10 → 2026-08-01 · 2 obs
● 2026-08-01 23:03:52
○MXaspmx2.googlemail.com2017-01-10 → 2017-01-10 · 3 obs
○ 2026-07-26 02:58:32
○ 2026-08-01 23:03:52
○MXaspmx3.googlemail.com2017-01-10 → 2017-01-10 · 3 obs
○ 2026-07-26 02:58:32
○ 2026-08-01 23:03:52
○MXaspmx4.googlemail.com2017-01-10 → 2017-01-10 · 3 obs
○ 2026-07-26 02:58:32
○ 2026-08-01 23:03:52
○MXaspmx5.googlemail.com2017-01-10 → 2017-01-10 · 3 obs
○ 2026-07-26 02:58:32
○ 2026-08-01 23:03:52
○MXmail.tcs.vn2017-01-10 → 2017-01-10 · 3 obs
○ 2026-07-26 02:58:32
○ 2026-08-01 23:03:52
●MXtcs.vn2026-07-26 → 2026-08-01 · 3 obs
● 2026-07-26 02:58:32
● 2026-08-01 23:03:52
○A75.98.175.982017-01-10 → 2017-01-10 · 3 obs
○ 2026-07-26 02:58:32
○ 2026-08-01 23:03:52
●A85.187.128.622026-07-26 → 2026-08-01 · 3 obs
● 2026-07-26 02:58:32
● 2026-08-01 23:03:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| tcs.vn | ns2.vdconline.vn, ns1.vdconline.vn | 2 records |
✅ Authoritative Response
Server:14.225.41.137
NS records: ns2.vdconline.vn, ns1.vdconline.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for tcs.vn (unsigned zone)
⏱️ Timing
Total: 1052ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.187.128.62 |
| NS | 2 | ns1.vdconline.vn, ns2.vdconline.vn |
| MX | 6 | ALT4.ASPMX.L.GOOGLE.COM (pri: 10), ALT1.ASPMX.L.GOOGLE.COM (pri: 5)... |
| SOA | 1 | ns1.vdconline.vn vdconline.tld |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.vdconline.vn, ns1.vdconline.vn)
Analysis
Mail Server Role
tcs.vn handles its own mail, functioning as its own mail server.
As mail servers, alt2.aspmx.l.google.com, alt1.aspmx.l.google.com and aspmx.l.google.com are often used in combination with tcs.vn.
IP Addresses
tcs.vn resolves to just one IP address, 85.187.128.62.
Two other host names, along with wisetorch.com, posttraumaticamnesia.com and it-works.uz, also share IP numbers with tcs.vn.
Name Servers
tcs.vn is served by two delegated name servers, ns1.vdconline.vn and ns2.vdconline.vn.
tcs.vn shares its NS records with other domains, for example ncif.gov.vn, babeecolodge.com, vps.vn and two others.
tcs.vn has a partial name server overlap with other domains — among them ajinomoto.com.vn and vanhoanghean.vn.
ns1.vdconline.vn directs to 14.225.41.137 and ns2.vdconline.vn directs to 14.225.197.109; each host name points to exactly one IP number.
Mail Servers
tcs.vn is served by 6 mail servers: tcs.vn, aspmx.l.google.com and alt1.aspmx.l.google.com, plus 3 more.
There is at least a partial MX overlap between tcs.vn and other domains, including ns500698.ns500759.ns500698.ns500735.ns500698.ns500735.ns500735.ns500708.ns500576.ns500619.ns500698.ns500652.ns500652.trackreceptor.com, ns500742.ns500731.ns500754.ns500754.ns500754.ns500754.ns500742.ns500704.ns500688.ns500671.ns500671.ns500666.tenderladiesbz.com, ns500698.ns500698.ns500698.ns500736.ns500698.ns500698.ns500698.ns500698.ns500698.ns500708.ns500708.ns500708.ns500576.ns500686.ns500619.trackreceptor.com and two others.
These mail servers frequently co-occur with the mail servers alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and two others.
Host names that have two IP addresses:
aspmx.l.google.com maps to two IP addresses — 142.251.179.27 and 2607:f8b0:4004:c1b::1a.
alt1.aspmx.l.google.com maps to two IP addresses — 108.177.123.27 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com maps to two IP addresses — 172.253.116.26 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com maps to two IP addresses — 192.178.223.26 and 2a00:1450:4009:c0f::1b.
alt4.aspmx.l.google.com maps to two IP addresses — 172.253.157.26 and 2a00:1450:400c:c23::1b.
Host names that point to one IP address:
tcs.vn points to the IP address 85.187.128.62.