webhoctap.vn - robtex.com
webhoctap.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.122.221.2🇻🇳 HASONTECH-VN103.122.220.0/23 | ||||||
| PTR | network.powernet.vn | ||||||
| NS | ns1.zonedns.vn ⭐ | ||||||
| A | 2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix | ||||||
| A | 64.176.84.220🇸🇬 AS-VULTR64.176.80.0/20 Vultr Assigned Prefix | ||||||
| PTR | ns1.zonedns.vn | ||||||
| NS | ns2.zonedns.vn | ||||||
| A | 2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix | ||||||
| A | 103.176.178.51🇻🇳 NHAN-HOA-AS-VN103.176.178.0/24 NINETECH-VN | ||||||
| NS | ns3.zonedns.vn | ||||||
| A | 2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN | ||||||
| A | 103.28.36.30🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN | ||||||
| NS | ns4.zonedns.vn | ||||||
| A | 2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN | ||||||
| A | 103.28.39.159🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN | ||||||
| SOA | ns1.zonedns.vnroot@webhoctap.vn 2025-12-31 #3 | ||||||
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=2030765708 | ||||||
Same first word
webhoctap.vn |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.zonedns.vn2026-05-01 → 2026-05-13 · 2 obs
● 2026-05-13 00:59:08
●NSns2.zonedns.vn2026-05-01 → 2026-05-13 · 2 obs
● 2026-05-13 00:59:08
●NSns3.zonedns.vn2026-05-01 → 2026-05-13 · 2 obs
● 2026-05-13 00:59:08
●NSns4.zonedns.vn2026-05-01 → 2026-05-13 · 2 obs
● 2026-05-13 00:59:08
●A103.122.221.22026-05-01 → 2026-05-13 · 2 obs
● 2026-05-13 00:59:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| webhoctap.vn | ns1.zonedns.vn, ns2.zonedns.vn, ns4.zonedns.vn, ns3.zonedns.vn | - |
✅ Authoritative Response
Server:64.176.84.220
NS records: ns1.zonedns.vn, ns2.zonedns.vn, ns4.zonedns.vn, ns3.zonedns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for webhoctap.vn (unsigned zone)
⏱️ Timing
Total: 2155ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.122.221.2 |
| NS | 4 | ns3.zonedns.vn, ns2.zonedns.vn... |
| SOA | 1 | ns1.zonedns.vn root.webhoctap.vn |
Analysis
IP Addresses
webhoctap.vn points to IP number: 103.122.221.2.
Name Servers
webhoctap.vn is delegated to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.
webhoctap.vn at least partially shares name servers with other domains, for instance natoli.vn, officeforrent.vn, basdental.com, epcocbetonggiare.net and compork.vn.
These name servers are commonly used with ns2008.nhanhoa.com.vn and ns2009.nhanhoa.com.vn.
Host names with two IP numbers:
ns1.zonedns.vn points to: 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 64.176.84.220.
ns2.zonedns.vn points to: 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 103.176.178.51.
ns3.zonedns.vn points to: 2001:df1:3200::15 and 103.28.36.30.
ns4.zonedns.vn points to: 2001:df1:3200::15 and 103.28.39.159.
Host names that point to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33: ns1.zonedns.vn and ns2.zonedns.vn.
Host names that point to 2001:df1:3200::15: ns3.zonedns.vn and ns4.zonedns.vn.