offcourse.work - robtex.com
offcourse.work
| DNSSEC | ⚠️ Not signed | ||||||
| A | 13.248.243.5🇺🇸 Amazon13.248.240.0/20 | ||||||
| PTR | a16e665f42988324c.awsglobalaccelerator.com | ||||||
| A | 76.223.105.230🇺🇸 Amazon76.223.96.0/20 | ||||||
| NS | ns75.domaincontrol.com ⭐ | ||||||
| A | 2603:5:21b4::30🇺🇸 GODADDY-DNS2603:5:21b0::/44 | ||||||
| PTR | ns75.domaincontrol.com | ||||||
| A | 97.74.107.48🇺🇸 GODADDY-DNS97.74.106.0/23 | ||||||
| PTR | ns75.domaincontrol.com | ||||||
| NS | ns76.domaincontrol.com | ||||||
| A | 2603:5:22b4::30🇺🇸 GODADDY-DNS2603:5:22b0::/44 | ||||||
| PTR | ns76.domaincontrol.com | ||||||
| A | 173.201.75.48🇺🇸 GODADDY-DNS173.201.74.0/23 | ||||||
| PTR | ns76.domaincontrol.com | ||||||
| SOA | ns75.domaincontrol.comdns@jomax.net 2025-05-09 #1 | ||||||
work
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.work ⭐ | ||||||
| NS | b.nic.work | ||||||
| NS | c.nic.work | ||||||
| NS | x.nic.work | ||||||
| NS | y.nic.work | ||||||
| NS | z.nic.work | ||||||
| SOA | a.nic.workadmin@tldns.godaddy serial=1790804865 | ||||||
Same first word
Similar names
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●NSns75.domaincontrol.com2026-09-09 → 2026-09-30 · 2 obs
● 2026-09-30 22:21:00
●NSns76.domaincontrol.com2026-09-09 → 2026-09-30 · 2 obs
● 2026-09-30 22:21:00
●A13.248.243.52026-09-09 → 2026-09-30 · 2 obs
● 2026-09-30 22:21:00
●A76.223.105.2302026-09-09 → 2026-09-30 · 2 obs
● 2026-09-30 22:21:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| work | b.nic.work, z.nic.work, x.nic.work, y.nic.work... | 12 records |
| offcourse.work | ns75.domaincontrol.com, ns76.domaincontrol.com | - |
✅ Authoritative Response
Server:97.74.107.48
NS records: ns75.domaincontrol.com, ns76.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for offcourse.work (unsigned zone)
⏱️ Timing
Total: 1343ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 76.223.105.230, 13.248.243.5 |
| NS | 2 | ns75.domaincontrol.com, ns76.domaincontrol.com |
| SOA | 1 | ns75.domaincontrol.com dns.jomax.net |
📌 Glue Records Collected
Total: 12
In-bailiwick: 12 (a.nic.work, b.nic.work, c.nic.work...)
Analysis
IP Addresses
offcourse.work resolves to the IP addresses 13.248.243.5 and 76.223.105.230
Additional host names — downsethut.com, sbbllc.org, sattvaroot.in and two others — share IP numbers with offcourse.work.
Name Servers
offcourse.work has two authoritative name servers — ns75.domaincontrol.com and ns76.domaincontrol.com.
offcourse.work shares its name server setup with other domains, including onenationrentals.com, aiedifoundry.com, docmaestro.com and two others.
Both ns75.domaincontrol.com and ns76.domaincontrol.com have two IP addresses each. ns75.domaincontrol.com resolves to 97.74.107.48 and 2603:5:21b4::30; ns76.domaincontrol.com resolves to 173.201.75.48 and 2603:5:22b4::30.