3gcheck.vn - robtex.com
3gcheck.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 124.158.6.68🇻🇳 CMC-2124.158.6.0/24 CMCTELECOM-VN | ||||||
| PTR | mail.vietnamdns.com | ||||||
| PTR | mail.3gcheck.vn | ||||||
| PTR | mail.thaibinhitc.vn | ||||||
| PTR | mail.vietgo.vn | ||||||
| NS | ns1.dotvndns.vn ⭐ | ||||||
| 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 | ||||||
| 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 | ns3.dotvndns.vn | ||||||
| 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 | ||||||
| NS | nsbak.dotvndns.com | ||||||
| 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 | mail.vietnamdns.com ⭐ | ||||||
| A | 124.158.6.68🇻🇳 CMC-2124.158.6.0/24 CMCTELECOM-VN | ||||||
| PTR | mail.vietnamdns.com | ||||||
| PTR | mail.3gcheck.vn | ||||||
| PTR | mail.thaibinhitc.vn | ||||||
| PTR | mail.vietgo.vn | ||||||
| SOA | ns1.dotvndns.vnhostmaster@3gcheck.vn 2025-10-06 #2 | ||||||
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=2030697180 | ||||||
Subdomains
mail.3gcheck.vn |
Same first word
3gcheck.vn |
DNS History
6 records (6 active, 0 former)
●NSns1.dotvndns.vn2026-02-20 → 2026-04-23 · 2 obs
● 2026-04-23 23:41:36
●NSns2.dotvndns.vn2026-02-20 → 2026-04-23 · 2 obs
● 2026-04-23 23:41:36
●NSns3.dotvndns.vn2026-02-20 → 2026-04-23 · 2 obs
● 2026-04-23 23:41:36
●NSnsbak.dotvndns.com2026-02-20 → 2026-04-23 · 2 obs
● 2026-04-23 23:41:36
●MXmail.vietnamdns.com2026-02-20 → 2026-04-23 · 2 obs
● 2026-04-23 23:41:36
●A124.158.6.682026-02-20 → 2026-04-23 · 2 obs
● 2026-04-23 23:41:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | - |
| 3gcheck.vn | ns2.dotvndns.vn, nsbak.dotvndns.com, ns3.dotvndns.vn, ns1.dotvndns.vn | 4 records |
✅ Authoritative Response
Server:222.255.121.247
NS records: ns2.dotvndns.vn, nsbak.dotvndns.com, ns3.dotvndns.vn, ns1.dotvndns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for 3gcheck.vn (unsigned zone)
⏱️ Timing
Total: 1938ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 124.158.6.68 |
| NS | 4 | nsbak.dotvndns.com, ns1.dotvndns.vn... |
| MX | 1 | mail.vietnamdns.com (pri: 10) |
| SOA | 1 | ns1.dotvndns.vn hostmaster.3gcheck.vn |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.dotvndns.vn, ns2.dotvndns.vn, ns1.dotvndns.vn...)
Analysis
Hierarchy
3gcheck.vn is the parent of mail.3gcheck.vn.
IP Addresses
3gcheck.vn points to a single IP number: 124.158.6.68.
other host names for instance thaibinhitc.vn, www.vlong.com.vn, mail.phuonghoangjsc.com.vn, vietgo.vn and mail.thaibinhitc.vn share IP numbers with 3gcheck.vn.
Name Servers
3gcheck.vn is delegated to four name servers: nsbak.dotvndns.com, ns1.dotvndns.vn, ns2.dotvndns.vn and ns3.dotvndns.vn.
3gcheck.vn at least partially shares name servers with other domains, for instance chungcuquan2.com, fpsvietnam.com.vn, lichvansu.vn, napa.vn and namadv.com.
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
3gcheck.vn is handled by a single mail server, mail.vietnamdns.com.
3gcheck.vn shares the same mail server setup as other domains, for example vietnamdns.com.
Host name mail.vietnamdns.com points to IP address 124.158.6.68.