lockdn.study - dns.ninja
lockdn.study
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=1780906073 | ||||||
Same first word
lockdn.study |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns77.domaincontrol.com2026-04-11 → 2026-06-08 · 2 obs
● 2026-06-08 08:24:58
●NSns78.domaincontrol.com2026-04-11 → 2026-06-08 · 2 obs
● 2026-06-08 08:24:58
●MXlockdn-study.mail.protection.outlook.com2026-04-11 → 2026-06-08 · 2 obs
● 2026-06-08 08:24:58
●A13.248.243.52026-04-11 → 2026-06-08 · 2 obs
● 2026-06-08 08:24:58
●A76.223.105.2302026-04-11 → 2026-06-08 · 2 obs
● 2026-06-08 08:24:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | a.nic.study, b.nic.study, c.nic.study, x.nic.study... | 12 records |
| lockdn.study | ns78.domaincontrol.com, ns77.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.108.49
NS records: ns78.domaincontrol.com, ns77.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lockdn.study (unsigned zone)
⏱️ Timing
Total: 243ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.105.230, 13.248.243.5 |
| NS | 2 | ns77.domaincontrol.com, ns78.domaincontrol.com |
| MX | 1 | lockdn-study.mail.protection.outlook.com |
| TXT | 2 | NETORGFT20223807.onmicrosoft.com, v=spf1 include:secureserver.net -all |
| SOA | 1 | ns77.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.study, a.nic.study, b.nic.study...)
Analysis
IP Addresses
lockdn.study points to two IP numbers: 13.248.243.5 and 76.223.105.230.
drewes.co, hardlinecustoms.com, retail-vision-insight.com plus two other host names have IP numbers in common with lockdn.study.
Name Servers
lockdn.study has two authoritative name servers — ns77.domaincontrol.com and ns78.domaincontrol.com.
The name server configuration of lockdn.study is shared with other domains, for instance musicgeneral.com, 00dad.com, (0x736578)cabulary.com and two others.
Both ns77.domaincontrol.com and ns78.domaincontrol.com have two IP addresses each. ns77.domaincontrol.com resolves to 97.74.108.49 and 2603:5:21c4::31; ns78.domaincontrol.com resolves to 173.201.76.49 and 2603:5:22c4::31.
Mail Servers
lockdn.study uses one mail server — lockdn-study.mail.protection.outlook.com.
The hostname lockdn-study.mail.protection.outlook.com has 8 IP addresses: 52.101.9.17, 52.101.11.7, 52.101.41.21 and five others.