bigcongnghe.com - robtex.com
bigcongnghe.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.75.184.15🇻🇳 VNPT-AS-VN103.75.184.0/22 Inet software one member company limited INETSOFT-VN | ||||||
| NS | ns-master.inet.vn ⭐ | ||||||
| A | 202.92.4.8🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN | ||||||
| NS | ns1.inet.vn | ||||||
| A | 2001:df7:ce00:1::7🇻🇳 VNPT-AS-VN2001:df7:ce00::/48 INETSOFT-VN Inet software one member company limited | ||||||
| A | 202.92.4.25🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN | ||||||
| NS | ns2.inet.vn | ||||||
| A | 2401:5f80:2001:4::30🇻🇳 VTDC-AS-VN2401:5f80:2000::/36 VTDC-VN | ||||||
| A | 210.211.99.38🇻🇳 VTDC-AS-VN210.211.99.0/24 Proxy-registered route object | ||||||
| NS | ns3.inet.vn ⚠️ Not in zone NS records | ||||||
| A | 2401:5f80:4001:4::14🇻🇳 VTDC-AS-VN2401:5f80:4000::/36 VTDC-VN | ||||||
| A | 203.113.174.42🇻🇳 VTDC-AS-VN203.113.174.0/23 VIETTEL-VN | ||||||
| SOA | ns-master.inet.vnpostmaster@inet.vn 2015-07-28 #0 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778649826 | ||||||
Same first word
bigcongnghe.com |
DNS History
16 records (5 active, 11 former)
○NSdns1.namecheaphosting.com2016-12-20 → 2017-04-28 · 5 obs
○ 2016-12-11 12:37:18
● 2016-12-20 02:40:28
● 2017-04-28 10:02:28
○ 2017-06-28 23:44:38
○ 2026-05-13 05:34:12
● 2016-12-20 02:40:28
● 2017-04-28 10:02:28
○ 2017-06-28 23:44:38
○ 2026-05-13 05:34:12
○NSdns2.namecheaphosting.com2016-12-20 → 2017-04-28 · 5 obs
○ 2016-12-11 12:37:18
● 2016-12-20 02:40:28
● 2017-04-28 10:02:28
○ 2017-06-28 23:44:38
○ 2026-05-13 05:34:12
● 2016-12-20 02:40:28
● 2017-04-28 10:02:28
○ 2017-06-28 23:44:38
○ 2026-05-13 05:34:12
●NSns-master.inet.vn2026-03-08 → 2026-05-13 · 3 obs
○ 2021-03-17 12:01:56
● 2026-03-08 00:27:22
● 2026-05-13 05:34:12
● 2026-03-08 00:27:22
● 2026-05-13 05:34:12
●NSns1.inet.vn2026-03-08 → 2026-05-13 · 3 obs
○ 2021-03-17 12:01:56
● 2026-03-08 00:27:22
● 2026-05-13 05:34:12
● 2026-03-08 00:27:22
● 2026-05-13 05:34:12
○NSns1.netfirms.com2016-08-21 → 2017-08-23 · 9 obs
○ 2016-08-14 02:18:26
● 2016-08-21 08:37:36
● 2016-12-11 12:37:18
○ 2016-12-20 02:40:28
○ 2017-04-28 10:02:28
● 2017-06-28 23:44:38
● 2017-08-23 03:33:58
○ 2021-03-17 12:01:56
○ 2026-05-13 05:34:12
● 2016-08-21 08:37:36
● 2016-12-11 12:37:18
○ 2016-12-20 02:40:28
○ 2017-04-28 10:02:28
● 2017-06-28 23:44:38
● 2017-08-23 03:33:58
○ 2021-03-17 12:01:56
○ 2026-05-13 05:34:12
●NSns2.inet.vn2026-03-08 → 2026-05-13 · 3 obs
○ 2021-03-17 12:01:56
● 2026-03-08 00:27:22
● 2026-05-13 05:34:12
● 2026-03-08 00:27:22
● 2026-05-13 05:34:12
○NSns2.netfirms.com2016-08-21 → 2017-08-23 · 9 obs
○ 2016-08-14 02:18:26
● 2016-08-21 08:37:36
● 2016-12-11 12:37:18
○ 2016-12-20 02:40:28
○ 2017-04-28 10:02:28
● 2017-06-28 23:44:38
● 2017-08-23 03:33:58
○ 2021-03-17 12:01:56
○ 2026-05-13 05:34:12
● 2016-08-21 08:37:36
● 2016-12-11 12:37:18
○ 2016-12-20 02:40:28
○ 2017-04-28 10:02:28
● 2017-06-28 23:44:38
● 2017-08-23 03:33:58
○ 2021-03-17 12:01:56
○ 2026-05-13 05:34:12
○NSns29.domaincontrol.com2016-02-04 → 2016-08-14 · 4 obs
● 2016-02-04 01:21:30
● 2016-08-14 02:18:26
○ 2016-08-21 08:37:36
○ 2026-05-13 05:34:12
● 2016-08-14 02:18:26
○ 2016-08-21 08:37:36
○ 2026-05-13 05:34:12
●NSns3.inet.vn2026-03-08 → 2026-05-13 · 3 obs
○ 2021-03-17 12:01:56
● 2026-03-08 00:27:22
● 2026-05-13 05:34:12
● 2026-03-08 00:27:22
● 2026-05-13 05:34:12
○NSns30.domaincontrol.com2016-02-04 → 2016-08-14 · 4 obs
● 2016-02-04 01:21:30
● 2016-08-14 02:18:26
○ 2016-08-21 08:37:36
○ 2026-05-13 05:34:12
● 2016-08-14 02:18:26
○ 2016-08-21 08:37:36
○ 2026-05-13 05:34:12
○MXmail.bigcongnghe.com2016-02-04 → 2017-04-28 · 8 obs
● 2016-02-04 01:21:30
● 2016-08-14 02:18:26
○ 2016-08-21 08:37:36
○ 2016-12-11 12:37:18
● 2016-12-20 02:40:28
● 2017-04-28 10:02:28
○ 2017-06-28 23:44:38
○ 2026-05-13 05:34:12
● 2016-08-14 02:18:26
○ 2016-08-21 08:37:36
○ 2016-12-11 12:37:18
● 2016-12-20 02:40:28
● 2017-04-28 10:02:28
○ 2017-06-28 23:44:38
○ 2026-05-13 05:34:12
○MXmx.bigcongnghe.com2016-08-21 → 2017-08-23 · 9 obs
○ 2016-08-14 02:18:26
● 2016-08-21 08:37:36
● 2016-12-11 12:37:18
○ 2016-12-20 02:40:28
○ 2017-04-28 10:02:28
● 2017-06-28 23:44:38
● 2017-08-23 03:33:58
○ 2021-03-17 12:01:56
○ 2026-05-13 05:34:12
● 2016-08-21 08:37:36
● 2016-12-11 12:37:18
○ 2016-12-20 02:40:28
○ 2017-04-28 10:02:28
● 2017-06-28 23:44:38
● 2017-08-23 03:33:58
○ 2021-03-17 12:01:56
○ 2026-05-13 05:34:12
○A103.243.173.1872017-06-28 → 2017-08-23 · 5 obs
○ 2017-04-28 10:02:28
● 2017-06-28 23:44:38
● 2017-08-23 03:33:58
○ 2021-03-17 12:01:56
○ 2026-05-13 05:34:12
● 2017-06-28 23:44:38
● 2017-08-23 03:33:58
○ 2021-03-17 12:01:56
○ 2026-05-13 05:34:12
●A103.75.184.152026-03-08 → 2026-05-13 · 3 obs
○ 2021-03-17 12:01:56
● 2026-03-08 00:27:22
● 2026-05-13 05:34:12
● 2026-03-08 00:27:22
● 2026-05-13 05:34:12
○A173.236.169.942016-02-04 → 2016-12-11 · 4 obs
● 2016-02-04 01:21:30
● 2016-12-11 12:37:18
○ 2016-12-20 02:40:28
○ 2026-05-13 05:34:12
● 2016-12-11 12:37:18
○ 2016-12-20 02:40:28
○ 2026-05-13 05:34:12
○A198.54.116.582016-12-20 → 2017-04-28 · 5 obs
○ 2016-12-11 12:37:18
● 2016-12-20 02:40:28
● 2017-04-28 10:02:28
○ 2017-06-28 23:44:38
○ 2026-05-13 05:34:12
● 2016-12-20 02:40:28
● 2017-04-28 10:02:28
○ 2017-06-28 23:44:38
○ 2026-05-13 05:34:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| bigcongnghe.com | ns1.inet.vn, ns2.inet.vn, ns3.inet.vn | - |
✅ Authoritative Response
Server:202.92.4.25
NS records: ns1.inet.vn, ns2.inet.vn, ns3.inet.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bigcongnghe.com (unsigned zone)
⏱️ Timing
Total: 1360ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.75.184.15 |
| NS | 2 | ns2.inet.vn, ns1.inet.vn |
| SOA | 1 | ns-master.inet.vn postmaster.inet.vn |
Analysis
IP Addresses
bigcongnghe.com points to a single IP number: 103.75.184.15.
Other host names, for instance www.phuyensmile.com, ns.thietkegianhang.com, rotai.vn, otjwvhdd.nethost-4211.000nethost.com and hntone.com share IP numbers with bigcongnghe.com.
Name Servers
bigcongnghe.com is delegated to four name servers: ns-master.inet.vn, ns1.inet.vn, ns2.inet.vn and ns3.inet.vn.
bigcongnghe.com at least partially shares name servers with other domains, for instance ttdnfc.vn, maydiem.vn, ngonngon.net, hdd.vn and efocus.vn.
Host names with two IPs:
ns1.inet.vn points to: 2001:df7:ce00:1::7 and 202.92.4.25.
ns2.inet.vn points to: 2401:5f80:2001:4::30 and 210.211.99.38.
ns3.inet.vn points to: 2401:5f80:4001:4::14 and 203.113.174.42.
Host names with one IP:
ns-master.inet.vn points to: 202.92.4.8.