cosrx.com.vn - robtex.com
cosrx.com.vn
| DNSSEC | ⚠️ Not signed | ||||||
| A | 157.66.81.132DVS-AS-VN157.66.81.0/24 CLOUDWP-VN | ||||||
| PTR | mail.theglobalcityvn.vn | ||||||
| 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 | ||||||
| SOA | ns1.zonedns.vnroot@cosrx.com.vn 2025-10-22 #3 | ||||||
com.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=2022693686 | ||||||
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
○NSns1.matbao.com2019-12-20 → 2019-12-20 · 3 obs
○ 2026-04-21 21:16:04
○ 2026-04-29 19:23:20
●NSns1.zonedns.vn2026-04-21 → 2026-04-29 · 3 obs
● 2026-04-21 21:16:04
● 2026-04-29 19:23:20
○NSns2.matbao.com2019-12-20 → 2019-12-20 · 3 obs
○ 2026-04-21 21:16:04
○ 2026-04-29 19:23:20
●NSns2.zonedns.vn2026-04-21 → 2026-04-29 · 3 obs
● 2026-04-21 21:16:04
● 2026-04-29 19:23:20
●NSns3.zonedns.vn2026-04-21 → 2026-04-29 · 3 obs
● 2026-04-21 21:16:04
● 2026-04-29 19:23:20
●NSns4.zonedns.vn2026-04-21 → 2026-04-29 · 3 obs
● 2026-04-21 21:16:04
● 2026-04-29 19:23:20
○A112.78.2.452019-12-20 → 2019-12-20 · 3 obs
○ 2026-04-21 21:16:04
○ 2026-04-29 19:23:20
●A157.66.81.1322026-04-21 → 2026-04-29 · 3 obs
● 2026-04-21 21:16:04
● 2026-04-29 19:23:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| vn | a.dns-servers.vn, b.dns-servers.vn, c.dns-servers.vn, d.dns-servers.vn... | - |
| cosrx.com.vn | ns1.zonedns.vn, ns4.zonedns.vn, ns3.zonedns.vn, ns2.zonedns.vn | - |
✅ Authoritative Response
Server:103.176.178.51
NS records: ns1.zonedns.vn, ns4.zonedns.vn, ns3.zonedns.vn, ns2.zonedns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cosrx.com.vn (unsigned zone)
⏱️ Timing
Total: 2875ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.66.81.132 |
| NS | 4 | ns4.zonedns.vn, ns1.zonedns.vn... |
| SOA | 1 | ns1.zonedns.vn root.cosrx.com.vn |
Analysis
IP Addresses
cosrx.com.vn points to an IP address: 157.66.81.132.
Other host names, for instance theglobalcityvn.vn and mail.theglobalcityvn.vn, share IP numbers with cosrx.com.vn.
Name Servers
cosrx.com.vn delegates to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.
cosrx.com.vn at least partially shares name servers with other domains, for instance viettelnamdinh.com, vietseed.com, tmtsports.vn, agv-smart.com and nguyetdung.com.
These name servers are commonly 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.