checking.vn - dns.ninja
checking.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.75.185.25🇻🇳 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 | ||||||
| TXT | google-site-verification=GIfiTvqRGBhFtQCSY_lIyWsGOQvOQDeZBsry4pxp-7Q | ||||||
| TXT | google-site-verification=BTYXZ8rO91nZZMezBnTRBK1_EnBYM8fRxCXDZF42knQ | ||||||
| SOA | ns-master.inet.vnpostmaster@inet.vn 2015-07-28 #0 | ||||||
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=2031036676 | ||||||
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
○NSns-hold.vnnic.vn2026-05-01 → 2026-05-15 · 5 obs
● 2026-05-01 12:46:28
● 2026-05-15 08:58:02
○ 2026-06-04 13:44:16
○ 2026-07-25 07:44:42
●NSns-master.inet.vn2019-12-28 → 2026-07-25 · 7 obs
○ 2026-05-01 12:46:28
○ 2026-05-15 08:58:02
● 2026-06-04 13:44:16
○ 2026-06-07 11:45:28
● 2026-06-08 16:15:42
● 2026-07-25 07:44:42
●NSns1.inet.vn2019-12-28 → 2026-07-25 · 5 obs
○ 2026-05-01 12:46:28
○ 2026-05-15 08:58:02
● 2026-06-04 13:44:16
● 2026-07-25 07:44:42
●NSns2.inet.vn2019-12-28 → 2026-07-25 · 5 obs
○ 2026-05-01 12:46:28
○ 2026-05-15 08:58:02
● 2026-06-04 13:44:16
● 2026-07-25 07:44:42
●A103.75.185.252026-06-04 → 2026-07-25 · 5 obs
● 2026-06-04 13:44:16
○ 2026-06-07 11:45:28
● 2026-06-08 16:15:42
● 2026-07-25 07:44:42
○A117.122.125.1072026-05-01 → 2026-05-15 · 5 obs
● 2026-05-01 12:46:28
● 2026-05-15 08:58:02
○ 2026-06-04 13:44:16
○ 2026-07-25 07:44:42
○A202.92.4.462019-12-28 → 2019-12-28 · 3 obs
○ 2026-05-01 12:46:28
○ 2026-07-25 07:44:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | 16 records |
| checking.vn | ns2.inet.vn, ns1.inet.vn | 2 records |
✅ Authoritative Response
Server:202.92.4.253
NS records: ns2.inet.vn, ns1.inet.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for checking.vn (unsigned zone)
⏱️ Timing
Total: 4442ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.75.185.25 |
| NS | 2 | ns1.inet.vn, ns2.inet.vn |
| TXT | 2 | google-site-verification=GIfiTvqRGBhFtQC, google-site-verification=BTYXZ8rO91nZZMe |
| SOA | 1 | ns-master.inet.vn postmaster.inet.vn |
📌 Glue Records Collected
Total: 18
In-bailiwick: 16 (a.dns-servers.vn, a.dns-servers.vn, b.dns-servers.vn...)
Out-of-bailiwick: 2 (ns1.inet.vn, ns2.inet.vn)
Analysis
IP Addresses
checking.vn points to a single IP number: 103.75.185.25.
Additional host names — mocredit.io.vn, giatot.click, dreamsetup.asia and two others — share IP numbers with checking.vn.
Name Servers
Three name servers are authoritative for checking.vn: ns-master.inet.vn, ns1.inet.vn and ns2.inet.vn.
There is at least partial name server overlap between checking.vn and other domains — vieclamkiengiang.com, daithienphuc.com, lethicanh.com and two more among them.
These name servers are routinely deployed together with the name servers ns3.inet.vn.
Host names with two IP numbers:
ns1.inet.vn maps to two IP addresses — 202.92.4.25 and 2001:df7:ce00:1::7.
ns2.inet.vn maps to two IP addresses — 210.211.99.38 and 2401:5f80:2001:4::30.
Host names pointing to a single IP address:
ns-master.inet.vn points to the IP address 202.92.4.8.