center.vn - robtex.com
center.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.75.185.18🇻🇳 VNPT-AS-VN103.75.184.0/22 Inet software one member company limited INETSOFT-VN | ||||||
| NS | ns1.dns.vn ⭐ | ||||||
| A | 173.199.96.96🇺🇸 AS-VULTR173.199.96.0/24 Vultr Assigned Prefix | ||||||
| PTR | ns1.vultrusercontent.com | ||||||
| NS | ns2.dns.vn | ||||||
| A | 173.199.96.97🇺🇸 AS-VULTR173.199.96.0/24 Vultr Assigned Prefix | ||||||
| PTR | ns2.vultrusercontent.com | ||||||
| MX | smtp.google.com ⭐ | ||||||
| A | 2607:f8b0:4023:c03::1b🇺🇸 Google2607:f8b0::/32 | ||||||
| PTR | dy-in-f27.1e100.net | ||||||
| A | 2607:f8b0:4023:c06::1a🇺🇸 Google2607:f8b0::/32 | ||||||
| PTR | dz-in-f26.1e100.net | ||||||
| A | 2607:f8b0:4023:c06::1b🇺🇸 Google2607:f8b0::/32 | ||||||
| PTR | dz-in-f27.1e100.net | ||||||
| A | 2607:f8b0:4023:c0b::1a🇺🇸 Google2607:f8b0::/32 | ||||||
| PTR | dd-in-f26.1e100.net | ||||||
| A | 74.125.137.27🇺🇸 Google74.125.137.0/24 | ||||||
| PTR | dy-in-f27.1e100.net | ||||||
| A | 142.250.101.26🇺🇸 Google142.250.101.0/24 | ||||||
| PTR | dz-in-f26.1e100.net | ||||||
| A | 142.250.101.27🇺🇸 Google142.250.101.0/24 | ||||||
| PTR | dz-in-f27.1e100.net | ||||||
| A | 142.250.141.26🇺🇸 Google142.250.141.0/24 | ||||||
| PTR | dd-in-f26.1e100.net | ||||||
| A | 142.250.141.27🇺🇸 Google142.250.141.0/24 | ||||||
| PTR | dd-in-f27.1e100.net | ||||||
| TXT | v=spf1 include:_spf.google.com ~all | ||||||
| SOA | ns1.dns.vnrotom@rotom.vn serial=0 | ||||||
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=2030751976 | ||||||
Subdomains
www.center.vn |
Same first word
Similar names
DNS History
14 records (4 active, 10 former)
●NSns1.dns.vn2026-05-01 → 2026-05-09 · 3 obs
● 2026-05-01 15:04:56
● 2026-05-09 16:22:20
○NSns1.domainvietnam.com2015-06-03 → 2017-05-02 · 4 obs
● 2017-05-02 11:33:16
○ 2026-05-01 15:04:56
○ 2026-05-09 16:22:20
●NSns2.dns.vn2026-05-01 → 2026-05-09 · 3 obs
● 2026-05-01 15:04:56
● 2026-05-09 16:22:20
○NSns2.domainvietnam.com2015-06-03 → 2017-05-02 · 4 obs
● 2017-05-02 11:33:16
○ 2026-05-01 15:04:56
○ 2026-05-09 16:22:20
○MXalt1.aspmx.l.google.com2015-06-03 → 2017-05-02 · 4 obs
● 2017-05-02 11:33:16
○ 2026-05-01 15:04:56
○ 2026-05-09 16:22:20
○MXalt2.aspmx.l.google.com2015-06-03 → 2017-05-02 · 4 obs
● 2017-05-02 11:33:16
○ 2026-05-01 15:04:56
○ 2026-05-09 16:22:20
○MXaspmx.l.google.com2015-06-03 → 2017-05-02 · 4 obs
● 2017-05-02 11:33:16
○ 2026-05-01 15:04:56
○ 2026-05-09 16:22:20
○MXaspmx2.googlemail.com2015-06-03 → 2017-05-02 · 4 obs
● 2017-05-02 11:33:16
○ 2026-05-01 15:04:56
○ 2026-05-09 16:22:20
○MXaspmx3.googlemail.com2015-06-03 → 2017-05-02 · 4 obs
● 2017-05-02 11:33:16
○ 2026-05-01 15:04:56
○ 2026-05-09 16:22:20
○MXaspmx4.googlemail.com2015-06-03 → 2017-05-02 · 4 obs
● 2017-05-02 11:33:16
○ 2026-05-01 15:04:56
○ 2026-05-09 16:22:20
○MXaspmx5.googlemail.com2015-06-03 → 2017-05-02 · 4 obs
● 2017-05-02 11:33:16
○ 2026-05-01 15:04:56
○ 2026-05-09 16:22:20
●MXsmtp.google.com2026-05-01 → 2026-05-09 · 3 obs
● 2026-05-01 15:04:56
● 2026-05-09 16:22:20
●A103.75.185.182026-05-01 → 2026-05-09 · 3 obs
● 2026-05-01 15:04:56
● 2026-05-09 16:22:20
○A120.50.185.912015-06-03 → 2017-05-02 · 4 obs
● 2017-05-02 11:33:16
○ 2026-05-01 15:04:56
○ 2026-05-09 16:22:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | d.dns-servers.vn, a.dns-servers.vn, h.dns-servers.vn, b.dns-servers.vn... | - |
| center.vn | ns1.dns.vn, ns2.dns.vn | 2 records |
✅ Authoritative Response
Server:173.199.96.96
NS records: ns1.dns.vn, ns2.dns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for center.vn (unsigned zone)
⏱️ Timing
Total: 1011ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.75.185.18 |
| NS | 2 | ns2.dns.vn, ns1.dns.vn |
| MX | 1 | smtp.google.com (pri: 1) |
| TXT | 1 | v=spf1 include:_spf.google.com ~all |
| SOA | 1 | ns1.dns.vn rotom.rotom.vn |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.dns.vn, ns2.dns.vn)
Analysis
Hierarchy
center.vn is the parent of www.center.vn.
IP Addresses
center.vn resolves to a single IP: 103.75.185.18.
Other host names, for instance 185.0.kcc.vn, 120-50-184-85.static.kcc.vn, www.ltd.vn, 189.119.kcc.vn and webdisk.picitypigroup.vn share IP numbers with center.vn.
Name Servers
center.vn has two name servers: ns1.dns.vn and ns2.dns.vn.
center.vn shares the same name server setup as other domains, for example bantin.vn, sportnews.vn, manulife.vn, nguyentandung.com and tuelinh.com.
center.vn shares some name servers with other domains, for instance dns.vn, vietvbb.vn and lokcat.com.
Host names with a single IP:
ns1.dns.vn points to 173.199.96.96
ns2.dns.vn points to 173.199.96.97
Mail Servers
center.vn is handled by a single mail server, smtp.google.com.
center.vn shares the mail server setup with other domains, for example fluxdeploy.com, dejutters.nl, ign.lt, spectrumui.site and iterightai.com.
center.vn shares some mail servers with other domains, at least partially; for instance emtaha.com, bizcenter.org, somsamedwittaya.ac.th, daughenbaughs.com and onlineresearchconsulting.com.
these mail servers are often used with 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.
smtp.google.com maps to nine IP numbers: 2607:f8b0:4023:c03::1b, 2607:f8b0:4023:c06::1a, 2607:f8b0:4023:c06::1b, 2607:f8b0:4023:c0b::1a, 74.125.137.27, 142.250.101.26, 142.250.101.27, 142.250.141.26 and 142.250.141.27.