leadcojsc.com - robtex.com
leadcojsc.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 103.28.36.94🇻🇳 NHAN-HOA-AS-VN103.28.36.0/22 NHANHOA-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@leadcojsc.com 2024-08-15 #4 | ||||||
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=1784247257 | ||||||
Same first word
leadcojsc.com |
DNS History
9 records (5 active, 4 former)
○NSjm1.dns.com2020-02-19 → 2021-04-06 · 5 obs
● 2020-02-19 08:31:16
● 2021-04-06 07:09:44
○ 2026-04-03 00:13:56
○ 2026-07-17 00:42:04
○NSjm2.dns.com2020-02-19 → 2021-04-06 · 5 obs
● 2020-02-19 08:31:16
● 2021-04-06 07:09:44
○ 2026-04-03 00:13:56
○ 2026-07-17 00:42:04
●NSns1.zonedns.vn2015-12-02 → 2026-07-17 · 6 obs
● 2017-03-18 17:56:02
○ 2020-02-19 08:31:16
○ 2021-04-06 07:09:44
● 2026-04-03 00:13:56
● 2026-07-17 00:42:04
●NSns2.zonedns.vn2015-12-02 → 2026-07-17 · 6 obs
● 2017-03-18 17:56:02
○ 2020-02-19 08:31:16
○ 2021-04-06 07:09:44
● 2026-04-03 00:13:56
● 2026-07-17 00:42:04
●NSns3.zonedns.vn2015-12-02 → 2026-07-17 · 6 obs
● 2017-03-18 17:56:02
○ 2020-02-19 08:31:16
○ 2021-04-06 07:09:44
● 2026-04-03 00:13:56
● 2026-07-17 00:42:04
●NSns4.zonedns.vn2015-12-02 → 2026-07-17 · 6 obs
● 2017-03-18 17:56:02
○ 2020-02-19 08:31:16
○ 2021-04-06 07:09:44
● 2026-04-03 00:13:56
● 2026-07-17 00:42:04
●A103.28.36.942026-04-03 → 2026-07-17 · 3 obs
● 2026-04-03 00:13:56
● 2026-07-17 00:42:04
○A156.254.141.202020-02-19 → 2020-02-19 · 3 obs
○ 2021-03-24 18:45:42
○ 2026-07-17 00:42:04
○A156.254.143.1752021-03-24 → 2021-04-06 · 5 obs
● 2021-03-24 18:45:42
● 2021-04-06 07:09:44
○ 2026-04-03 00:13:56
○ 2026-07-17 00:42:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| leadcojsc.com | ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn | - |
✅ Authoritative Response
Server:103.176.178.51
NS records: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn, ns4.zonedns.vn
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for leadcojsc.com (unsigned zone)
⏱️ Timing
Total: 4478ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 103.28.36.94 |
| NS | 4 | ns3.zonedns.vn, ns1.zonedns.vn... |
| SOA | 1 | ns1.zonedns.vn root.leadcojsc.com |
Analysis
IP Addresses
leadcojsc.com resolves to just one IP address, 103.28.36.94.
Two other host names, along with sunnyland.com.vn, taxisapa.com and cochlear.com.vn, also share IP numbers with leadcojsc.com.
Name Servers
The NS records for leadcojsc.com point to four name servers: ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn.
leadcojsc.com partially shares its NS delegation with several other domains, including boxexp.vn, chicucchannuoithuyna.gov.vn, thinktek.vn and two others.
These name servers are regularly seen alongside ns2008.nhanhoa.com.vn and ns2009.nhanhoa.com.vn as name servers.
The hosts ns1.zonedns.vn, ns2.zonedns.vn, ns3.zonedns.vn and ns4.zonedns.vn all have two IP addresses each. ns1.zonedns.vn has 64.176.84.220 and 2401:c080:1400:1cd4:5400:5ff:fe80:ec33. ns2.zonedns.vn has 103.176.178.51 and 2401:c080:1400:1cd4:5400:5ff:fe80:ec33. ns3.zonedns.vn has 103.28.36.30 and 2001:df1:3200::15. ns4.zonedns.vn has 103.28.39.159 and 2001:df1:3200::15. Notably 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 appears for both ns1.zonedns.vn and ns2.zonedns.vn and 2001:df1:3200::15 appears for both ns3.zonedns.vn and ns4.zonedns.vn.
ns1.zonedns.vn and ns2.zonedns.vn each have 2401:c080:1400:1cd4:5400:5ff:fe80:ec33 IP addresses.
ns3.zonedns.vn and ns4.zonedns.vn each have 2001:df1:3200::15 IP addresses.