vankhoa.net - robtex.com
vankhoa.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.154.102.47🇻🇳 HARAVAN-AS-VN103.154.102.0/23 HARAVAN-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 | ||||||
| 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 | ||||||
| MX | mail.vankhoa.net ⭐ | ||||||
| A | 112.213.90.77🇻🇳 SUPERDATA112.213.90.0/24 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 | mail9077.maychuemail.com | ||||||
| TXT | v=spf1 a mx ip4:116.193.76.168 ~all | ||||||
| SOA | nsbak.pavietnam.nethostmaster@vankhoa.net 2025-10-27 #12 | ||||||
net
| 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=1778452956 | ||||||
Subdomains
mail.vankhoa.net |
Same first word
Similar names
hankova.com |
akhanov.com |
vakhano.com |
akhanov.ru |
kahanov.com |
havakon.com |
hanakov.cz |
haknova.com |
hakovan.com |
khanova.com |
DNS History
6 records (5 active, 1 former)
●NSns1.pavietnam.vn2015-08-12 → 2026-05-10 · 2 obs
● 2026-05-10 22:54:28
●NSns2.pavietnam.vn2015-08-12 → 2026-05-10 · 2 obs
● 2026-05-10 22:54:28
●NSnsbak.pavietnam.net2016-03-13 → 2026-05-10 · 3 obs
● 2016-03-13 06:30:32
● 2026-05-10 22:54:28
●MXmail.vankhoa.net2015-08-12 → 2026-05-10 · 2 obs
● 2026-05-10 22:54:28
●A103.154.102.472026-05-10 → 2026-05-10 · 3 obs
● 2026-05-10 22:54:26
● 2026-05-10 22:54:28
○A116.193.76.1692015-08-12 → 2017-03-28 · 4 obs
● 2017-03-28 15:47:12
○ 2026-05-10 22:54:26
○ 2026-05-10 22:54:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| vankhoa.net | nsbak.pavietnam.net, ns1.pavietnam.vn, ns2.pavietnam.vn | 2 records |
✅ 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 vankhoa.net (unsigned zone)
⏱️ Timing
Total: 1583ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.154.102.47 |
| NS | 3 | nsbak.pavietnam.net, ns1.pavietnam.vn... |
| MX | 1 | mail.vankhoa.net (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:116.193.76.168 ~all |
| SOA | 1 | nsbak.pavietnam.net hostmaster.vankhoa.n |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (nsbak.pavietnam.net, nsbak.pavietnam.net)
Analysis
Hierarchy
The parent of mail.vankhoa.net is vankhoa.net.
IP Addresses
vankhoa.net points to a single IP address: 103.154.102.47.
Other host names such as hungnghia.com.vn, mail.drdifferent.vn, bansungdiabay.vn, aflexmall.com and melacnee.vn share IPs with vankhoa.net.
Name Servers
vankhoa.net is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
vankhoa.net at least partially shares name servers with other domains, for example msm.vn, comgasingapore.vn, gtvad.com, thaicom.vn and hondaotoviettri.com.vn.
these name servers commonly pair with ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com and nsbak.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
Mail Servers
The mail.vankhoa.net mail server handles vankhoa.net.
mail.vankhoa.net points to a single IP number: 112.213.90.77.