vrtc.org.vn - robtex.com
vrtc.org.vn
org.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=2017789900 | ||||||
Subdomains
www.vrtc.org.vn |
Same first word
vrtc.es |
vrtc.co.jp |
vrtc.info |
vrtc.org.vn |
vrtc.us |
vrtc.nl |
vrtc.net |
vrtc.com |
vrtc.org |
vrtc.ru |
vrtc.co.uk |
vrtc.pt |
vrtc.jp |
vrtc.com.br |
Similar names
DNS History
6 records (6 active, 0 former)
●NSns.viettelidc.com.vn2026-05-01 → 2026-05-07 · 2 obs
● 2026-05-07 03:19:06
●NSns1.viettelidc.com.vn2026-05-01 → 2026-05-07 · 2 obs
● 2026-05-07 03:19:06
●NSns2.viettelidc.com.vn2026-05-01 → 2026-05-07 · 2 obs
● 2026-05-07 03:19:06
●MXmx.viettelidc.com.vn2026-05-01 → 2026-05-07 · 2 obs
● 2026-05-07 03:19:06
●A171.244.7.832026-05-01 → 2026-05-07 · 2 obs
● 2026-05-07 03:19:06
●A171.244.7.842026-05-01 → 2026-05-07 · 2 obs
● 2026-05-07 03:19:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | b.dns-servers.vn, h.dns-servers.vn, d.dns-servers.vn, f.dns-servers.vn... | - |
| vrtc.org.vn | ns1.viettelidc.com.vn, ns2.viettelidc.com.vn | - |
✅ Authoritative Response
Server:115.84.181.10
NS records: ns1.viettelidc.com.vn, ns2.viettelidc.com.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for vrtc.org.vn (unsigned zone)
⏱️ Timing
Total: 2260ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 171.244.7.83, 171.244.7.84 |
| NS | 3 | ns.viettelidc.com.vn, ns1.viettelidc.com.vn... |
| MX | 1 | mx.viettelidc.com.vn (pri: 10) |
| TXT | 1 | v=spf1 ip4:103.1.208.0/24 a mx -all |
| SOA | 1 | ns.viettelidc.com.vn hostmaster.vrtc.org |
Analysis
Hierarchy
www.vrtc.org.vn has vrtc.org.vn as its parent.
IP Addresses
vrtc.org.vn points to two IPs: 171.244.7.83 and 171.244.7.84.
Other host names, for instance z195.vn, tapchi.vienbongquocgia.vn, daihoctranquoctuan.vn, daihocchinhtri.edu.vn and itse.mta.edu.vn share IP numbers with vrtc.org.vn.
Name Servers
vrtc.org.vn is delegated to name servers ns1.viettelidc.com.vn, ns2.viettelidc.com.vn and ns.viettelidc.com.vn.
vrtc.org.vn at least partially shares name servers with other domains such as anhminhtech.com.vn, thutuchanhchinh.vn, kinhmatbichngoc.vn, congnghetutraitim.com and mntanlinha.edu.vn.
these name servers are commonly used with ns1.vtdc.net, ns2.vtdc.net, ns.vtdc.net, ns1.vtmgroup.com.vn, ns2.vtmgroup.com.vn and ns.vtmgroup.com.vn.
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.
Mail Servers
vrtc.org.vn is handled by a single mail server, mx.viettelidc.com.vn.
vrtc.org.vn shares the same mail server setup as other domains, including tdcsaigon.com, leyenanh.com, kimteco.vn, dmctelecom.vn and newworldvn.com.
vrtc.org.vn shares mail servers with other domains, at least partially, for instance congtrinhviettel.com.vn, dawaco.com.vn, gic.vn and biofarm.com.vn.
Host name mx.viettelidc.com.vn points to IPs 103.1.208.155 and 103.1.208.156.