isystem.vn - robtex.com
isystem.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 203.113.172.106🇻🇳 VTDC-AS-VN203.113.172.0/23 VIETTEL-VN | ||||||
| NS | ns1.dotvndns.vn ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns1.dotvndns.vn | ||||||
| A | 112.213.89.3🇻🇳 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 | ||||||
| PTR | ns1.dotvndns.vn | ||||||
| NS | ns1.pavietnam.vn ⚠️ Not in zone NS records | ||||||
| A | 2406:9c80::66🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns1.dotvndns.vn | ||||||
| A | 112.213.89.3🇻🇳 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 | ||||||
| PTR | ns1.dotvndns.vn | ||||||
| NS | ns2.dotvndns.vn ⚠️ Not in parent delegation | ||||||
| A | 2406:9c80::9000:111🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns2.dotvndns.vn | ||||||
| A | 222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| PTR | static.vnpt.vn | ||||||
| NS | ns2.pavietnam.vn ⚠️ Not in zone NS records | ||||||
| A | 2406:9c80::9000:111🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | ns2.dotvndns.vn | ||||||
| A | 222.255.121.247🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | static.vdc.vn | ||||||
| PTR | static.vnpt.vn | ||||||
| NS | nsbak.pavietnam.net ⚠️ Not in zone NS records | ||||||
| A | 2406:9c80::9000:302🇻🇳 SUPERDATA2406:9c80::/48 -VN | ||||||
| PTR | nsbak.dotvndns.com | ||||||
| A | 112.213.89.22🇻🇳 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 | ||||||
| PTR | ns8922.dotvndns.vn | ||||||
| MX | mr.pavietnam.vn ⭐ | ||||||
| A | 222.255.121.227🇻🇳 VDC222.255.121.0/24 VNPT | ||||||
| PTR | mr.pavietnam.vn | ||||||
| TXT | MS=ms94753615 | ||||||
| SOA | ns1.dotvndns.vnhostmaster@isystem.vn 2026-04-28 #28 | ||||||
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=2030754386 | ||||||
Subdomains
www.isystem.vn |
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●NSns1.dotvndns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 09:07:56
●NSns1.pavietnam.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 09:07:56
●NSns2.dotvndns.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 09:07:56
●NSns2.pavietnam.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 09:07:56
●NSnsbak.pavietnam.net2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 09:07:56
●MXmr.pavietnam.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 09:07:56
●A203.113.172.1062026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 09:07:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | - |
| isystem.vn | nsbak.pavietnam.net, ns2.pavietnam.vn, ns1.pavietnam.vn | 4 records |
✅ Authoritative Response
Server:112.213.89.22
NS records: nsbak.pavietnam.net, ns2.pavietnam.vn, ns1.pavietnam.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for isystem.vn (unsigned zone)
⏱️ Timing
Total: 1867ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.113.172.106 |
| NS | 2 | ns2.dotvndns.vn, ns1.dotvndns.vn |
| MX | 1 | mr.pavietnam.vn (pri: 10) |
| TXT | 1 | MS=ms94753615 |
| SOA | 1 | ns1.dotvndns.vn hostmaster.isystem.vn |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.pavietnam.vn, ns1.pavietnam.vn, ns2.pavietnam.vn...)
Analysis
Hierarchy
The parent of www.isystem.vn is isystem.vn.
IP Addresses
isystem.vn points to a single IP address: 203.113.172.106.
Other host names such as truongthanh.isdcorp.vn, nmco.com.vn, www.isystem.vn and phutungotoxb.com share IP numbers with isystem.vn.
Name Servers
isystem.vn is delegated to five name servers: nsbak.pavietnam.net, ns1.dotvndns.vn, ns2.dotvndns.vn, ns1.pavietnam.vn and ns2.pavietnam.vn.
isystem.vn at least partially shares name servers with other domains, for example trackasia.vn, phanopharmacy.com, vnsmc.com, minhtuangroup.com and beelogistics.com.vn.
these name servers commonly pair with nsbak.dotvndns.com, ns3.dotvndns.vn, nsbak.pavietnam.vn and ns1.nina.vn.
Host names with two IP numbers:
nsbak.pavietnam.net 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.
ns1.pavietnam.vn points to: 2406:9c80::66 and 112.213.89.3.
ns2.pavietnam.vn points to: 2406:9c80::9000:111 and 222.255.121.247.
Host names that point to 2406:9c80::66: ns1.dotvndns.vn and ns1.pavietnam.vn.
Host names that point to 112.213.89.3: ns1.dotvndns.vn and ns1.pavietnam.vn.
Host names that point to 2406:9c80::9000:111: ns2.dotvndns.vn and ns2.pavietnam.vn.
Host names that point to 222.255.121.247: ns2.dotvndns.vn and ns2.pavietnam.vn.
Mail Servers
The mr.pavietnam.vn mail server handles isystem.vn.
isystem.vn shares the same mail server setup as other domains, including cn2sp.edu.vn, thienancorp.com, hoanganh.vn, khanbongcaocap.com.vn and aikpt.vn.
isystem.vn shares at least partially some mail servers with other domains, for instance loteco.com.vn, antek.vn, biggee.vn, fiinconnex.vn and gstock.vn.
These mail servers commonly pair 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.
mr.pavietnam.vn points to a single IP number: 222.255.121.227.