htclass.com.vn - robtex.com
htclass.com.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 216.198.79.1🇺🇸 Amazon216.198.79.0/24 EC2 Prefix | ||||||
| NS | ns1.vietnix.net ⭐ | ||||||
| A | 103.200.22.22🇻🇳 VNPT-AS-VN103.200.22.0/24 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 | ||||||
| NS | ns2.vietnix.net | ||||||
| A | 103.200.20.20🇻🇳 VNPT-AS-VN103.200.20.0/24 VNPT-NET | ||||||
| NS | nsbak.vietnix.net ⚠️ Not in parent delegation | ||||||
| A | 103.90.226.137🇻🇳 VNPT-AS-VN103.90.226.0/24 VNXCLOUD-VN | ||||||
| SOA | ns1.vietnix.nethostmaster@htclass.com.vn 2026-01-20 #4 | ||||||
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=2022672081 | ||||||
Same first word
htclass.com.vn |
Similar names
DNS History
4 records (4 active, 0 former)
●NSns1.vietnix.net2026-04-04 → 2026-04-15 · 2 obs
● 2026-04-15 09:12:56
●NSns2.vietnix.net2026-04-04 → 2026-04-15 · 2 obs
● 2026-04-15 09:12:56
●NSnsbak.vietnix.net2026-04-04 → 2026-04-15 · 2 obs
● 2026-04-15 09:12:56
●A216.198.79.12026-04-04 → 2026-04-15 · 2 obs
● 2026-04-15 09:12:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| htclass.com.vn | ns1.vietnix.net, ns2.vietnix.net | - |
✅ Authoritative Response
Server:103.200.20.20
NS records: ns1.vietnix.net, ns2.vietnix.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for htclass.com.vn (unsigned zone)
⏱️ Timing
Total: 1552ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 216.198.79.1 |
| NS | 3 | nsbak.vietnix.net, ns2.vietnix.net... |
| SOA | 1 | ns1.vietnix.net hostmaster.htclass.com.v |
Analysis
IP Addresses
htclass.com.vn resolves to a single IP: 216.198.79.1.
Other host names, for instance es.au.kickbio.link, tkss.co.jp, steamcommunity.info, twobetter.com and redbussecondarydns.postarchitect.com share IP numbers with htclass.com.vn.
Name Servers
htclass.com.vn delegates to three name servers: ns1.vietnix.net, ns2.vietnix.net and nsbak.vietnix.net.
htclass.com.vn shares some name servers with other domains, for example xaydungcauhinh.com, byd-tayho.com, taxitinhtiengiang.com, cumfoto.com.vn and xuonggoviet.com.
Host names with a single IP: ns1.vietnix.net points to 103.200.22.22; ns2.vietnix.net points to 103.200.20.20; nsbak.vietnix.net points to 103.90.226.137.