vacert.vn - robtex.com
vacert.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.28.36.66🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN | ||||||
| PTR | share-dedi02.nhanhoa.com | ||||||
| NS | ns1.zonedns.vn ⭐ | ||||||
| A | 2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix | ||||||
| A | 64.176.84.220🇸🇬 AS-VULTR64.176.80.0/20 Vultr Assigned Prefix | ||||||
| PTR | ns1.zonedns.vn | ||||||
| NS | ns2.zonedns.vn | ||||||
| A | 2401:c080:1400:1cd4:5400:5ff:fe80:ec33🇸🇬 AS-VULTR2401:c080:1400::/38 Vultr Assigned Prefix | ||||||
| A | 103.176.178.51🇻🇳 NHAN-HOA-AS-VN103.176.178.0/24 NINETECH-VN | ||||||
| NS | ns3.zonedns.vn | ||||||
| A | 2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN | ||||||
| A | 103.28.36.30🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN | ||||||
| NS | ns4.zonedns.vn | ||||||
| A | 2001:df1:3200::15🇻🇳 NHAN-HOA-AS-VN2001:df1:3200::/48 NHANHOA-VN | ||||||
| A | 103.28.39.159🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN | ||||||
| MX | vacert.vn ⭐ | ||||||
| A | 103.28.36.66🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-VN | ||||||
| PTR | share-dedi02.nhanhoa.com | ||||||
| SOA | ns1.zonedns.vnroot@vacert.vn 2026-01-22 #4 | ||||||
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=2030757436 | ||||||
MX for
vacert.vn |
Subdomains
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.zonedns.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 04:17:14
●NSns2.zonedns.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 04:17:14
●NSns3.zonedns.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 04:17:14
●NSns4.zonedns.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 04:17:14
●MXvacert.vn2026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 04:17:14
●A103.28.36.662026-05-01 → 2026-05-11 · 2 obs
● 2026-05-11 04:17:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | c.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn... | - |
| vacert.vn | ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn | - |
✅ Authoritative Response
Server:103.28.39.159
NS records: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for vacert.vn (unsigned zone)
⏱️ Timing
Total: 2482ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.28.36.66 |
| NS | 4 | ns1.zonedns.vn, ns3.zonedns.vn... |
| MX | 1 | vacert.vn (pri: 10) |
| SOA | 1 | ns1.zonedns.vn root.vacert.vn |
Analysis
Hierarchy
vacert.vn is parent of mail.vacert.vn and www.vacert.vn.
Mail Server Role
For vacert.vn, the mail server is vacert.vn.
IP Addresses
vacert.vn points to a single IP number: 103.28.36.66.
other host names for instance cpcalendars.dinhvitoancau.vn, www.xetaicamc.com.vn, 933e6ea1-95fd-43b7-9d39-d1bb73a87138.chicuctrongtrotbvtvna.gov.vn, mail.baohohoanglong.com and baoholaodong24.com share IP numbers with vacert.vn.
Name Servers
vacert.vn is delegated to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.
vacert.vn at least partially shares name servers with other domains, for instance noithattheonemienbac.com.vn, suanhachuyennghiep.vn, caprihome.vn, vmcar.com.vn and hoaphat.net.vn.
These name servers are often used with ns2008.nhanhoa.com.vn and ns2009.nhanhoa.com.vn.
Host names with two IP numbers
ns1.zonedns.vn points to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 64.176.84.220
ns2.zonedns.vn points to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 and 103.176.178.51
ns3.zonedns.vn points to 2001:df1:3200::15 and 103.28.36.30
ns4.zonedns.vn points to 2001:df1:3200::15 and 103.28.39.159
Names pointing to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33: ns1.zonedns.vn and ns2.zonedns.vn
Names pointing to 2001:df1:3200::15: ns3.zonedns.vn and ns4.zonedns.vn
Mail Servers
One mail server handles vacert.vn.
Host name vacert.vn points to IP address 103.28.36.66.