lockdn.study - robtex.com
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=1776056082 | ||||||
Same first word
lockdn.study |
Similar names
DNS History
5 records (5 active, 0 former)
●NSns77.domaincontrol.com2026-04-11 → 2026-04-13 · 2 obs
● 2026-04-13 05:50:52
●NSns78.domaincontrol.com2026-04-11 → 2026-04-13 · 2 obs
● 2026-04-13 05:50:52
●MXlockdn-study.mail.protection.outlook.com2026-04-11 → 2026-04-13 · 2 obs
● 2026-04-13 05:50:52
●A13.248.243.52026-04-11 → 2026-04-13 · 2 obs
● 2026-04-13 05:50:52
●A76.223.105.2302026-04-11 → 2026-04-13 · 2 obs
● 2026-04-13 05:50:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| study | a.nic.study, b.nic.study, c.nic.study, x.nic.study... | 12 records |
| lockdn.study | ns77.domaincontrol.com, ns78.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.76.49
NS records: ns77.domaincontrol.com, ns78.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lockdn.study (unsigned zone)
⏱️ Timing
Total: 397ms | 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
Two IP numbers are pointed to by lockdn.study: 13.248.243.5 and 76.223.105.230.
other host names include drewes.co, hardlinecustoms.com, retail-vision-insight.com, carbonafter.com and lordandgriffith.com; they share IP numbers with lockdn.study.
Name Servers
Two name servers ns77.domaincontrol.com and ns78.domaincontrol.com handle the delegation for lockdn.study.
lockdn.study shares the same name server setup as other domains, for instance musicgeneral.com, 00dad.com, (0x736578)cabulary.com, itiss.net and sportsengraving.com.
Host names with two IP numbers:
ns77.domaincontrol.com points to 2603:5:21c4::31 and 97.74.108.49.
ns78.domaincontrol.com points to 2603:5:22c4::31 and 173.201.76.49.
Mail Servers
lockdn.study is handled by a single mail server, lockdn-study.mail.protection.outlook.com.
Hostname lockdn-study.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c92c::2, 2a01:111:f403:c946::2, 2a01:111:f403:c946::3, 2a01:111:f403:f905::3, 52.101.9.21, 52.101.11.17, 52.101.40.24 and 52.101.41.4.