congthuc.vn - robtex.com
congthuc.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.130.228.74🇸🇬 IIHOS00145.130.228.0/22 | ||||||
| NS | ns1.viettelidc.com.vn ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2401:5f80:2000:2::4🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN | ||||||
| A | 115.84.177.33🇻🇳 VTDC-AS-VN115.84.176.0/22 Proxy-registered route object | ||||||
| PTR | ns1.vtdc.net | ||||||
| PTR | ns1.viettelidc.com.vn | ||||||
| NS | ns.viettelidc.com.vn | ||||||
| A | 2401:5f80:2000:1::5🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN | ||||||
| A | 115.84.177.8🇻🇳 VTDC-AS-VN115.84.176.0/22 Proxy-registered route object | ||||||
| PTR | ns.vtdc.net | ||||||
| PTR | ns.viettelidc.com.vn | ||||||
| NS | ns2.viettelidc.com.vn | ||||||
| A | 2401:5f80:4000:1::4🇻🇳 VTDC-AS-VN2401:5f80:4000::/36 VTDC-VN | ||||||
| A | 115.84.181.10🇻🇳 VTDC-AS-VN115.84.180.0/22 Proxy-registered route object | ||||||
| PTR | ns2.vtdc.net | ||||||
| PTR | ns2.viettelidc.com.vn | ||||||
| TXT | google-site-verification=ugfm0lfXRsp3Z03mkyrOuuSezI214SKOkWx5BikmxDo | ||||||
| SOA | ns.viettelidc.com.vnhostmaster@congthuc.vn serial=1777275608 | ||||||
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=2030706717 | ||||||
Same first word
DNS History
5 records (4 active, 1 former)
●NSns.viettelidc.com.vn2018-05-10 → 2026-04-27 · 2 obs
● 2026-04-27 07:40:56
●NSns1.viettelidc.com.vn2018-05-10 → 2026-04-27 · 2 obs
● 2026-04-27 07:40:56
●NSns2.viettelidc.com.vn2018-05-10 → 2026-04-27 · 2 obs
● 2026-04-27 07:40:56
○A210.211.113.1352018-05-10 → 2018-05-10 · 3 obs
○ 2026-03-19 09:28:52
○ 2026-04-27 07:40:56
●A45.130.228.742026-03-19 → 2026-04-27 · 3 obs
● 2026-03-19 09:28:52
● 2026-04-27 07:40:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | h.dns-servers.vn, d.dns-servers.vn, b.dns-servers.vn, a.dns-servers.vn... | - |
| congthuc.vn | ns2.viettelidc.com.vn, ns1.viettelidc.com.vn | - |
✅ Authoritative Response
Server:115.84.177.33
NS records: ns2.viettelidc.com.vn, ns1.viettelidc.com.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for congthuc.vn (unsigned zone)
⏱️ Timing
Total: 2331ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.130.228.74 |
| NS | 3 | ns.viettelidc.com.vn, ns1.viettelidc.com.vn... |
| TXT | 1 | google-site-verification=ugfm0lfXRsp3Z03 |
| SOA | 1 | ns.viettelidc.com.vn hostmaster.congthuc |
Analysis
IP Addresses
congthuc.vn resolves to one IP number: 45.130.228.74.
Other host names, for instance cityinfozone.com, classifieds.cityinfozone.com and shaktifuturepoint.com share IP numbers with congthuc.vn.
Name Servers
congthuc.vn is delegated to three name servers ns1.viettelidc.com.vn, ns2.viettelidc.com.vn and ns.viettelidc.com.vn.
congthuc.vn at least partially shares name servers with other domains, for instance thuyenxua.vn, 83mec.com, ppfsap.vn, chuyengiaconginox.com and qdtek.vn.
These name servers are commonly used with ns1.vtdc.net, ns2.vtdc.net and ns.vtdc.net.
Host names with two IP numbers:
ns1.viettelidc.com.vn points to: 2401:5f80:2000:2::4 and 115.84.177.33.
ns2.viettelidc.com.vn points to: 2401:5f80:4000:1::4 and 115.84.181.10.
ns.viettelidc.com.vn points to: 2401:5f80:2000:1::5 and 115.84.177.8.