qdc.vn - robtex.com
qdc.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 112.213.89.38🇻🇳 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 | ns8938.dotvndns.vn | ||||||
| NS | ns1.pavietnam.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.pavietnam.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 | nsbak.pavietnam.net | ||||||
| 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.qdc.vn ⭐ | ||||||
| A | 103.77.162.21🇻🇳 SUPERDATA103.77.162.0/24 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 | revolution.maychu.cloud | ||||||
| TXT | google-site-verification=ptSFfBSTVnhhgUXs9ALWPtJhc4YnuHoCP6xra6rpbNs | ||||||
| TXT | google-site-verification=4Iri8UhU5rqV6DYRevTM04XAndC3U3gTbHC6stzSvIE | ||||||
| TXT | v=spf1 ip4:103.77.162.21 +a +mx ~all | ||||||
| TXT | google-site-verification=wYtQYeUKL_U1kPPYwJvNSyDmk63qnapbUphXXWdgu08 | ||||||
| SOA | ns1.pavietnam.vnhostmaster@qdc.vn 2026-04-21 #46 | ||||||
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=2030753503 | ||||||
Subdomains
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.pavietnam.vn2020-02-09 → 2026-05-09 · 2 obs
● 2026-05-09 19:54:50
●NSns2.pavietnam.vn2020-02-09 → 2026-05-09 · 2 obs
● 2026-05-09 19:54:50
●NSnsbak.pavietnam.net2020-02-09 → 2026-05-09 · 2 obs
● 2026-05-09 19:54:50
●MXmail.qdc.vn2020-02-09 → 2026-05-09 · 2 obs
● 2026-05-09 19:54:50
○A112.213.89.1452020-02-09 → 2020-02-09 · 3 obs
○ 2026-05-01 06:43:50
○ 2026-05-09 19:54:50
●A112.213.89.382026-05-01 → 2026-05-09 · 3 obs
● 2026-05-01 06:43:50
● 2026-05-09 19:54:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| qdc.vn | ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net | 4 records |
✅ Authoritative Response
Server:112.213.89.3
NS records: ns1.pavietnam.vn, ns2.pavietnam.vn, nsbak.pavietnam.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for qdc.vn (unsigned zone)
⏱️ Timing
Total: 1397ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 112.213.89.38 |
| NS | 3 | nsbak.pavietnam.net, ns1.pavietnam.vn... |
| MX | 1 | mail.qdc.vn (pri: 10) |
| TXT | 4 | google-site-verification=wYtQYeUKL_U1kPP, google-site-verification=4Iri8UhU5rqV6DY... |
| SOA | 1 | ns1.pavietnam.vn hostmaster.qdc.vn |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.pavietnam.vn, ns1.pavietnam.vn, ns2.pavietnam.vn...)
Analysis
Hierarchy
qdc.vn is parent of mail.qdc.vn and biz.qdc.vn.
IP Addresses
qdc.vn points to a single IP number: 112.213.89.38.
other host names for instance dogohunglong.com, routine.com.vn, vncgarden.com, vkl.vn and airfreight.vn share IP numbers with qdc.vn.
Name Servers
qdc.vn is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
qdc.vn at least partially shares name servers with other domains, for instance cosavn.com, astech-vn.com, hoachatxulynuoc.com, thegreenmarket.com.vn and speakwell.edu.vn.
These name servers are commonly used with ns1.dotvndns.vn, ns2.dotvndns.vn and nsbak.dotvndns.com.
Host names with two IP numbers:
Host nsbak.pavietnam.net points to 2406:9c80::9000:302 and 112.213.89.22.
Host ns1.pavietnam.vn points to 2406:9c80::66 and 112.213.89.3.
Host ns2.pavietnam.vn points to 2406:9c80::9000:111 and 222.255.121.247.
Mail Servers
qdc.vn is handled by a single mail server, mail.qdc.vn.
Host name mail.qdc.vn points to IP address 103.77.162.21.