smartbook.com.vn - robtex.com
smartbook.com.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2402:800:6315:134a:930:5da0:c7a1:d14🇻🇳 VIETEL-AS-AP2402:800:6315::/48 Prefix IPv6 Viettel-VN | ||||||
| A | 115.73.128.50🇻🇳 VIETEL-AS-AP115.73.128.0/21 Proxy-registered route object | ||||||
| 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.smartbook.com.vn ⭐ | ||||||
| A | 115.73.128.50🇻🇳 VIETEL-AS-AP115.73.128.0/21 Proxy-registered route object | ||||||
| PTR | adsl.viettel.vn | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | ns1.pavietnam.vnhostmaster@smartbook.com.vn 2026-03-27 #30 | ||||||
com.vn
| DNSSEC | ⚠️ Not signed | ||||||
| NS | dns-master.vnnic.vn ⭐ | ||||||
| NS | a.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | b.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | c.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | d.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | e.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | f.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | g.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| NS | h.dns-servers.vn ⚠️ Not in parent delegation | ||||||
| SOA | dns-master.vnnic.vnpostmaster@vnnic.vn serial=2022708582 | ||||||
Subdomains
mail.smartbook.com.vn |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.pavietnam.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 23:00:20
●NSns2.pavietnam.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 23:00:20
●NSnsbak.pavietnam.net2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 23:00:20
●MXmail.smartbook.com.vn2026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 23:00:20
●A115.73.128.502026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 23:00:20
●A2402:800:6315:134a:930:5da0:c7a1:d142026-05-01 → 2026-05-10 · 2 obs
● 2026-05-10 23:00:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| smartbook.com.vn | nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn | - |
✅ Authoritative Response
Server:112.213.89.22
NS records: nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for smartbook.com.vn (unsigned zone)
⏱️ Timing
Total: 2040ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 115.73.128.50 |
| AAAA | 1 | 2402:800:6315:134a:930:5da0:c7a1:d14 |
| NS | 3 | ns1.pavietnam.vn, nsbak.pavietnam.net... |
| MX | 1 | mail.smartbook.com.vn (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | ns1.pavietnam.vn hostmaster.smartbook.co |
Analysis
Hierarchy
The parent of mail.smartbook.com.vn is smartbook.com.vn.
IP Addresses
smartbook.com.vn points to two IP numbers: 2402:800:6315:134a:930:5da0:c7a1:d14 and 115.73.128.50.
Other host names, for instance mail.smartbook.com.vn, share IP numbers with smartbook.com.vn.
Name Servers
smartbook.com.vn is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
smartbook.com.vn at least partially shares name servers with other domains, for example hoangshisha.com, canhothongminh-aspira.vn, ketnoitieudung.vn, trangsucda.com and duhoctranquang.edu.vn.
these name servers are commonly used with ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com, nsbak.pavietnam.vn, dnsbak.pavietnam.vn and ns3.dotvndns.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
Mail Servers
The mail.smartbook.com.vn mail server handles smartbook.com.vn.
mail.smartbook.com.vn points to a single IP number: 115.73.128.50.