nguoidoc.com - robtex.com
nguoidoc.com
| DNSSEC | ⚠️ Not signed | ||||||
| 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.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 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778349401 | ||||||
Same first word
nguoidoc.com |
DNS History
10 records (3 active, 7 former)
○NSns-master.inet.vn2020-02-24 → 2020-02-24 · 4 obs
● 2020-02-24 01:57:36
○ 2026-02-16 10:47:52
○ 2026-05-09 17:58:14
○NSns1.inet.vn2020-02-24 → 2020-02-24 · 4 obs
● 2020-02-24 01:57:36
○ 2026-02-16 10:47:52
○ 2026-05-09 17:58:14
○NSns1.matbao.com2017-01-17 → 2017-01-17 · 3 obs
○ 2020-02-24 01:57:36
○ 2026-05-09 17:58:14
●NSns1.pavietnam.vn2026-02-16 → 2026-05-09 · 3 obs
● 2026-02-16 10:47:52
● 2026-05-09 17:58:14
○NSns2.inet.vn2020-02-24 → 2020-02-24 · 4 obs
● 2020-02-24 01:57:36
○ 2026-02-16 10:47:52
○ 2026-05-09 17:58:14
○NSns2.matbao.com2017-01-17 → 2017-01-17 · 3 obs
○ 2020-02-24 01:57:36
○ 2026-05-09 17:58:14
●NSns2.pavietnam.vn2026-02-16 → 2026-05-09 · 3 obs
● 2026-02-16 10:47:52
● 2026-05-09 17:58:14
●NSnsbak.pavietnam.net2026-02-16 → 2026-05-09 · 3 obs
● 2026-02-16 10:47:52
● 2026-05-09 17:58:14
○A172.96.191.1512020-02-24 → 2026-02-16 · 5 obs
● 2020-02-24 01:57:36
● 2026-02-16 10:47:52
○ 2026-04-26 08:34:24
○ 2026-05-09 17:58:14
○A198.20.94.1152017-01-17 → 2017-01-17 · 3 obs
○ 2020-02-24 01:57:36
○ 2026-05-09 17:58:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, f.gtld-servers.net, a.gtld-servers.net, k.gtld-servers.net... | - |
| nguoidoc.com | nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn | - |
✅ Authoritative Response
Server:112.213.89.3
NS records: nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nguoidoc.com (unsigned zone)
⏱️ Timing
Total: 1621ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|
Analysis
Name Servers
nguoidoc.com is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
nguoidoc.com at least partially shares name servers with other domains, including songthien.vn, thue.info, idemitsu.vn, daidaithanh.com and k-cos.vn.
these name servers are commonly used with ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com, nsbak.pavietnam.vn and dnsbak.pavietnam.vn.
Host names with two IP numbers:
nsbak.pavietnam.net points to: 2406:9c80::9000:302 and 112.213.89.22
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