katools.vn - robtex.com
katools.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.252.248.35🇻🇳 AZDIGI-AS-VN45.252.248.0/22 AZDIGI-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 | ||||||
| TXT | google-site-verification=Yks22nA7efcrpxWFy9tIHwuSbTSapugS-rYMvDVbMBQ | ||||||
| SOA | ns1.pavietnam.vnhostmaster@katools.vn 2025-11-07 #4 | ||||||
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=2031094912 | ||||||
Subdomains
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.pavietnam.vn2026-05-01 → 2026-08-10 · 2 obs
● 2026-08-10 17:45:48
●NSns2.pavietnam.vn2026-05-01 → 2026-08-10 · 2 obs
● 2026-08-10 17:45:48
●NSnsbak.pavietnam.net2026-05-01 → 2026-08-10 · 2 obs
● 2026-08-10 17:45:48
●A45.252.248.352026-05-01 → 2026-08-10 · 2 obs
● 2026-08-10 17:45:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | d.dns-servers.vn, c.dns-servers.vn, a.dns-servers.vn, b.dns-servers.vn... | - |
| katools.vn | nsbak.pavietnam.net, ns2.pavietnam.vn, ns1.pavietnam.vn | 4 records |
✅ Authoritative Response
Server:112.213.89.3
NS records: nsbak.pavietnam.net, ns2.pavietnam.vn, ns1.pavietnam.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for katools.vn (unsigned zone)
⏱️ Timing
Total: 1926ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.252.248.35 |
| NS | 3 | ns1.pavietnam.vn, nsbak.pavietnam.net... |
| TXT | 1 | google-site-verification=Yks22nA7efcrpxW |
| SOA | 1 | ns1.pavietnam.vn hostmaster.katools.vn |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.pavietnam.vn, ns2.pavietnam.vn, ns1.pavietnam.vn...)
Analysis
Hierarchy
www.katools.vn and mail.katools.vn are both subdomains of katools.vn.
IP Addresses
katools.vn resolves to one IP address: 45.252.248.35.
thoitrangbaochau.vn, sunlinvina.com, nhatlong.com.vn and two other host names share IP numbers with katools.vn.
Name Servers
katools.vn is delegated to three name servers: nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn.
katools.vn shares at least some of its name servers with other domains, including caycanhgia.com, vietsense.com.vn, rvc.net.vn and two others.
These name servers are frequently seen alongside ns1.dotvndns.vn, ns2.dotvndns.vn, nsbak.dotvndns.com and 3 other name servers.
nsbak.pavietnam.net, ns1.pavietnam.vn and ns2.pavietnam.vn each resolve to two IP addresses: nsbak.pavietnam.net resolves to 112.213.89.22 and 2406:9c80::9000:302; ns1.pavietnam.vn resolves to 112.213.89.3 and 2406:9c80::66; ns2.pavietnam.vn resolves to 222.255.121.247 and 2406:9c80::9000:111.