optvn.com - dns.ninja
optvn.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.zonedns.vn ⚠️ Not in zone NS records | ||||||
| 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 ⚠️ Not in zone NS records | ||||||
| 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 ⚠️ Not in zone NS records | ||||||
| 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 ⚠️ Not in zone NS records | ||||||
| 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 | ||||||
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=1785541862 | ||||||
Subdomains
www.optvn.com |
Same first word
optvn.com |
Similar names
DNS History
8 records (4 active, 4 former)
○NSns1.dnsowl.com2019-12-15 → 2019-12-15 · 3 obs
○ 2026-02-15 19:06:34
○ 2026-08-01 00:03:42
●NSns1.zonedns.vn2026-02-15 → 2026-08-01 · 3 obs
● 2026-02-15 19:06:34
● 2026-08-01 00:03:42
○NSns2.dnsowl.com2019-12-15 → 2019-12-15 · 3 obs
○ 2026-02-15 19:06:34
○ 2026-08-01 00:03:42
●NSns2.zonedns.vn2026-02-15 → 2026-08-01 · 3 obs
● 2026-02-15 19:06:34
● 2026-08-01 00:03:42
○NSns3.dnsowl.com2019-12-15 → 2019-12-15 · 3 obs
○ 2026-02-15 19:06:34
○ 2026-08-01 00:03:42
●NSns3.zonedns.vn2026-02-15 → 2026-08-01 · 3 obs
● 2026-02-15 19:06:34
● 2026-08-01 00:03:42
●NSns4.zonedns.vn2026-02-15 → 2026-08-01 · 3 obs
● 2026-02-15 19:06:34
● 2026-08-01 00:03:42
○A103.28.36.1062026-02-15 → 2026-07-25 · 12 obs
● 2026-06-06 01:17:34
○ 2026-06-10 05:39:32
● 2026-06-11 17:16:04
○ 2026-06-25 12:19:54
● 2026-07-02 09:34:40
○ 2026-07-17 11:48:56
● 2026-07-17 21:07:32
○ 2026-07-22 10:28:26
● 2026-07-25 04:58:52
○ 2026-07-31 20:17:22
○ 2026-08-01 00:03:42
🔍 DNS Trace
Analysis
Hierarchy
www.optvn.com is a subdomain of optvn.com.
Name Servers
The domain optvn.com is delegated to these four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.
The name servers of optvn.com overlap at least partially with those of other domains — among them dienlanhquocnghia.com, sunsolarresidence.com.vn, pc1miennam.vn and two more.
ns1.zonedns.vn directs to 64.176.84.220 and 2401:c080:1400:1cd4:5400:5ff:fe80:ec33; ns2.zonedns.vn directs to 103.176.178.51 and 2401:c080:1400:1cd4:5400:5ff:fe80:ec33; ns3.zonedns.vn directs to 103.28.36.30 and 2001:df1:3200::15; ns4.zonedns.vn directs to 103.28.39.159 and 2001:df1:3200::15. All four hosts (ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn) carry two IP addresses each. Note that 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 is shared between ns1.zonedns.vn and ns2.zonedns.vn while 2001:df1:3200::15 is shared between ns3.zonedns.vn and ns4.zonedns.vn.
The host names ns1.zonedns.vn and ns2.zonedns.vn both resolve to 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 IP addresses.
The host names ns3.zonedns.vn and ns4.zonedns.vn both resolve to 2001:df1:3200::15 IP addresses.