studysec.com - robtex.com
studysec.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.judns.com ⚠️ Not in zone NS records | ||||||
| A | 101.37.78.254🇨🇳 Alibaba-Cloud101.37.0.0/17 | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns1.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 101.37.78.254🇨🇳 Alibaba-Cloud101.37.0.0/17 | ||||||
| A | 162.159.48.223Cloudflare162.159.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.judns.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns2.julydns.com ⚠️ Not in parent delegation | ||||||
| A | 162.159.27.251Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
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=1794618381 | ||||||
Same first word
Similar names
cesstudy.com |
systeduc.com |
scestudy.cn |
secstudy.us.com |
csestudy.com |
secstudy.vn |
seductsy.com |
dcsyuste.com |
secstudy.com.vn |
studycse.com |
tecdusys.com.mx |
studyecs.com |
Previous names
Next names
DNS History
7 records (4 active, 3 former)
○NSdns10.hichina.com2016-12-16 → 2016-12-16 · 3 obs
○ 2026-07-24 14:12:22
○ 2026-11-14 01:15:32
○NSdns9.hichina.com2016-12-16 → 2016-12-16 · 3 obs
○ 2026-07-24 14:12:22
○ 2026-11-14 01:15:32
●NSns1.judns.com2026-07-24 → 2026-11-14 · 3 obs
● 2026-07-24 14:12:22
● 2026-11-14 01:15:32
●NSns1.julydns.com2026-07-24 → 2026-11-14 · 3 obs
● 2026-07-24 14:12:22
● 2026-11-14 01:15:32
●NSns2.judns.com2026-07-24 → 2026-11-14 · 3 obs
● 2026-07-24 14:12:22
● 2026-11-14 01:15:32
●NSns2.julydns.com2026-07-24 → 2026-11-14 · 3 obs
● 2026-07-24 14:12:22
● 2026-11-14 01:15:32
○A121.40.56.2132016-12-16 → 2016-12-16 · 3 obs
○ 2026-07-24 14:12:22
○ 2026-11-14 01:15:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net, m.gtld-servers.net... | - |
| studysec.com | ns1.judns.com, ns2.judns.com | 2 records |
✅ Authoritative Response
Server:162.159.27.251
NS records: ns1.judns.com, ns2.judns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for studysec.com (unsigned zone)
⏱️ Timing
Total: 374ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.julydns.com, ns2.julydns.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.judns.com, ns2.judns.com)
Analysis
Name Servers
Four name servers handle the delegation for studysec.com: ns1.judns.com, ns2.judns.com, ns1.julydns.com and ns2.julydns.com.
The name servers of studysec.com overlap at least partially with those of other domains — among them axpiypufy.cn, qdzcmy.com, jsxs.cc and two more.
These name servers commonly co-occur with the name servers ns1.onclouddns.com, ns2.onclouddns.com, jm1.dns.com and jm2.dns.com.
Host names pointing to two IP addresses:
ns1.judns.com maps to two IP addresses — 101.37.78.254 and 162.159.48.223.
ns1.julydns.com maps to two IP addresses — 101.37.78.254 and 162.159.48.223.
Host names resolving to a single IP address:
ns2.judns.com points to the IP address 162.159.27.251.
ns2.julydns.com points to the IP address 162.159.27.251.
These two host names — ns1.judns.com and ns1.julydns.com — each point to 101.37.78.254 IP addresses.
These two host names — ns1.judns.com and ns1.julydns.com — each point to 162.159.48.223 IP addresses.
These two host names — ns2.judns.com and ns2.julydns.com — each point to 162.159.27.251 IP addresses.