dobigsize.vn - robtex.com
dobigsize.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.57.221.27🇻🇳 VNPT-AS-VN103.57.220.0/22 INET-VN | ||||||
| NS | ns-master.inet.vn ⭐ | ||||||
| A | 202.92.4.8🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN | ||||||
| NS | ns1.inet.vn | ||||||
| A | 2001:df7:ce00:1::7🇻🇳 VNPT-AS-VN2001:df7:ce00::/48 INETSOFT-VN Inet software one member company limited | ||||||
| A | 202.92.4.25🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN | ||||||
| NS | ns2.inet.vn | ||||||
| A | 2401:5f80:2001:4::30🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN | ||||||
| A | 210.211.99.38🇻🇳 VTDC-AS-VN210.211.99.0/24 Proxy-registered route object | ||||||
| NS | ns3.inet.vn ⚠️ Not in zone NS records | ||||||
| A | 2401:5f80:4001:4::14🇻🇳 VTDC-AS-VN2401:5f80:4000::/36 VTDC-VN | ||||||
| A | 203.113.174.42🇻🇳 VTDC-AS-VN203.113.174.0/23 VIETTEL-VN | ||||||
| MX | mail.dobigsize.vn ⭐ | ||||||
| A | 103.57.223.50🇻🇳 VNPT-AS-VN103.57.220.0/22 INET-VN | ||||||
| PTR | mailer-0104.inet.vn | ||||||
| TXT | v=spf1 a mx ip4:103.57.223.50 ~all | ||||||
| TXT | facebook-domain-verification=gifk7fa12p6cz8uznhdc1e8wzqh0rb | ||||||
| TXT | google-site-verification=3RuKWwUycNw4wlWEtiJJBlG-gs9qh8NADdKpyBzM818 | ||||||
| SOA | ns-master.inet.vnpostmaster@inet.vn 2015-07-28 #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=2030767303 | ||||||
Subdomains
www.dobigsize.vn |
salexakho.dobigsize.vn |
mail.dobigsize.vn |
Same first word
dobigsize.vn |
DNS History
7 records (6 active, 1 former)
●NSns-master.inet.vn2020-02-05 → 2026-05-13 · 2 obs
● 2026-05-13 08:09:40
●NSns3.inet.vn2026-05-01 → 2026-05-13 · 3 obs
● 2026-05-01 16:12:52
● 2026-05-13 08:09:40
●MXmail.dobigsize.vn2020-02-05 → 2026-05-13 · 2 obs
● 2026-05-13 08:09:40
●A103.57.221.272026-05-01 → 2026-05-13 · 3 obs
● 2026-05-01 16:12:52
● 2026-05-13 08:09:40
○A202.92.7.1032020-02-05 → 2020-02-05 · 3 obs
○ 2026-05-01 16:12:52
○ 2026-05-13 08:09:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| dobigsize.vn | ns3.inet.vn, ns2.inet.vn, ns1.inet.vn | 3 records |
✅ Authoritative Response
Server:202.92.4.253
NS records: ns3.inet.vn, ns2.inet.vn, ns1.inet.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dobigsize.vn (unsigned zone)
⏱️ Timing
Total: 4168ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.57.221.27 |
| NS | 2 | ns1.inet.vn, ns2.inet.vn |
| MX | 1 | mail.dobigsize.vn (pri: 0) |
| TXT | 3 | google-site-verification=3RuKWwUycNw4wlW, facebook-domain-verification=gifk7fa12p6... |
| SOA | 1 | ns-master.inet.vn postmaster.inet.vn |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns1.inet.vn, ns2.inet.vn, ns3.inet.vn)
Analysis
Hierarchy
dobigsize.vn has www.dobigsize.vn, salexakho.dobigsize.vn and mail.dobigsize.vn as children.
IP Addresses
dobigsize.vn points to a single IP address: 103.57.221.27.
Other host names such as webdisk.goodwine.com.vn, cico578.vn, webdisk.trungnien.vn, cpcontacts.hoangnamtien.vn and cpcalendars.giavitaybac.vn share IPs with dobigsize.vn.
Name Servers
dobigsize.vn is delegated to four name servers: ns-master.inet.vn, ns1.inet.vn, ns2.inet.vn and ns3.inet.vn.
dobigsize.vn at least partially shares name servers with other domains, for example windows7vn.com, kochigold.com, dostudio.vn, boitinhban.com and baovietkhanhhoa.com.
Host names with two IP numbers:
ns1.inet.vn points to 2001:df7:ce00:1::7 and 202.92.4.25.
ns2.inet.vn points to 2401:5f80:2001:4::30 and 210.211.99.38.
ns3.inet.vn points to 2401:5f80:4001:4::14 and 203.113.174.42.
Host names with one IP number:
ns-master.inet.vn points to 202.92.4.8.
Mail Servers
The mail.dobigsize.vn mail server handles dobigsize.vn.
mail.dobigsize.vn points to a single IP number: 103.57.223.50.