dectools.study - dns.ninja
dectools.study
| DNSSEC | ⚠️ Not signed | ||||||
| A | 210.56.49.182🇭🇰 CTGSERVERLIMITED-AS-AP210.56.49.0/24 Sun Network (Hong Kong) Limited Flat 13, 4/F Trans Asia Centre 18 Kin Hong Street, Kwai Chung | ||||||
| NS | n1.xundns.com ⭐ | ||||||
| NS | n2.xundns.com | ||||||
| A | 2408:8621:0:42:e401:813:0:25🇨🇳 CHINA169-Backbone2408:8621::/32 China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street | ||||||
| A | 2408:8722:1801:10:4:611:6303:181🇨🇳 CHINA169-Backbone2408:8722::/32 China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street | ||||||
| A | 2604:86c0:6001:8::a9c5:8e51🇺🇸 AS630232604:86c0:6000::/36 GTHOST-SCL | ||||||
| A | 61.163.30.181🇨🇳 CHINA169-Backbone61.163.0.0/16 CNC Group CHINA169 Henan Province Network | ||||||
| PTR | hn.ly.kd.adsl | ||||||
| A | 122.114.39.7🇨🇳 CHINA169-Backbone122.114.0.0/16 route of Chinaunicomroute of Chinaunicom | ||||||
| A | 169.197.142.81🇺🇸 AS63023169.197.142.0/24 GlobalTeleHost | ||||||
| PTR | 81-142-197-169.clients.gthost.com | ||||||
| SOA | n1.xundns.comnsadmin@xundns.com serial=437896 | ||||||
study
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.study ⭐ | ||||||
| NS | b.nic.study | ||||||
| NS | c.nic.study | ||||||
| NS | x.nic.study | ||||||
| NS | y.nic.study | ||||||
| NS | z.nic.study | ||||||
| SOA | a.nic.studyadmin@tldns.godaddy serial=1792908808 | ||||||
Same first word
Similar names
Previous names
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DNS History
3 records (3 active, 0 former)
●NSn1.xundns.com2026-10-20 → 2026-10-25 · 2 obs
● 2026-10-25 06:50:10
●NSn2.xundns.com2026-10-20 → 2026-10-25 · 2 obs
● 2026-10-25 06:50:10
●A210.56.49.1822026-10-20 → 2026-10-25 · 2 obs
● 2026-10-25 06:50:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | a.nic.study, b.nic.study, c.nic.study, x.nic.study... | 12 records |
| dectools.study | n1.xundns.com, n2.xundns.com | - |
✅ Authoritative Response
Server:2409:8c44:1b00:601:1:1110:609:6027
NS records: n1.xundns.com, n2.xundns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dectools.study (unsigned zone)
⏱️ Timing
Total: 2585ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.56.49.182 |
| NS | 2 | n2.xundns.com, n1.xundns.com |
| SOA | 1 | n1.xundns.com nsadmin.xundns.com |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.study, b.nic.study, c.nic.study...)
Analysis
IP Addresses
dectools.study points to a single IP number: 210.56.49.182.
Additional host names — nq-edu.study, kjx-edu-cn.college, gnec-edu-cn.study and two others — share IP numbers with dectools.study.
Name Servers
dectools.study is delegated to two name servers: n1.xundns.com and n2.xundns.com.
dectools.study shares its name server setup with other domains, including xw45b.top, 69483.qpon, datuchina.com and two others.
Some of dectools.study's name servers are also used by other domains, including 107166.com, hns77777.com, 546656.com and dreamventions.com.
These name servers are regularly seen alongside v1s1.xundns.com and v1s2.xundns.com as name servers.
Host names with 6 IP numbers:
n2.xundns.com resolves to 61.163.30.181, 122.114.39.7, 169.197.142.81 and 3 other IP addresses.