t-mobile.courses - robtex.com
t-mobile.courses
courses
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.courses ⭐ | ||||||
| NS | b.nic.courses | ||||||
| NS | c.nic.courses | ||||||
| NS | x.nic.courses | ||||||
| NS | y.nic.courses | ||||||
| NS | z.nic.courses | ||||||
| SOA | a.nic.coursesadmin@tldns.godaddy serial=1783796461 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.brandshelter.com2026-07-02 → 2026-07-11 · 2 obs
● 2026-07-11 19:25:30
●NSns2.brandshelter.de2026-07-02 → 2026-07-11 · 2 obs
● 2026-07-11 19:25:30
●NSns3.brandshelter.info2026-07-02 → 2026-07-11 · 2 obs
● 2026-07-11 19:25:30
●NSns4.brandshelter.net2026-07-02 → 2026-07-11 · 2 obs
● 2026-07-11 19:25:30
●NSns5.brandshelter.us2026-07-02 → 2026-07-11 · 2 obs
● 2026-07-11 19:25:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| courses | a.nic.courses, b.nic.courses, c.nic.courses, x.nic.courses... | 12 records |
| t-mobile.courses | ns5.brandshelter.us, ns2.brandshelter.de, ns4.brandshelter.net, ns3.brandshelter.info... | - |
✅ Authoritative Response
Server:194.0.182.12
NS records: ns5.brandshelter.us, ns2.brandshelter.de, ns4.brandshelter.net, ns3.brandshelter.info, ns1.brandshelter.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for t-mobile.courses (unsigned zone)
⏱️ Timing
Total: 1038ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 5 | ns4.brandshelter.net, ns1.brandshelter.com... |
| SOA | 1 | ns1.brandshelter.com tech.brandshelter.c |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.courses, b.nic.courses, c.nic.courses...)
Analysis
Name Servers
Delegation for t-mobile.courses is to five name servers: ns1.brandshelter.com, ns2.brandshelter.de, ns3.brandshelter.info and two others.
There is at least partial name server overlap between t-mobile.courses and other domains — parkersnewcarawards.com, kikostore.eu, geodin.de and two more among them.
These name servers tend to appear in combination with the name servers ns4.brandshelter.net, ns5.brandshelter.us, ns1.prncpm.com and ns2.prncpm.com.
Host names with two IP numbers:
ns1.brandshelter.com resolves to two addresses: 193.227.117.9 and 2a04:2b00:14cc::9.
ns2.brandshelter.de resolves to two addresses: 194.50.187.11 and 2a04:2b00:14dd::11.
ns3.brandshelter.info resolves to two addresses: 194.0.182.12 and 2a04:2b00:14ee::12.
ns4.brandshelter.net resolves to two addresses: 193.227.117.10 and 2a04:2b00:14cc::10.
ns5.brandshelter.us resolves to two addresses: 194.50.187.14 and 2a04:2b00:14dd::14.