gradtrak.us - robtex.com
gradtrak.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 66.81.203.139🇻🇬 AS4067666.81.203.0/24 Maintained by origin AS40034. Assigned to pyschznetworks (AS40676) | ||||||
| NS | ns100.worldnic.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.27.155Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| NS | ns99.worldnic.com ⚠️ Not in zone NS records | ||||||
| A | 162.159.26.217Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1774548750 | ||||||
Subdomains
www.gradtrak.us |
Same first word
Similar names
DNS History
5 records (3 active, 2 former)
●NSns100.worldnic.com2026-02-27 → 2026-03-26 · 2 obs
● 2026-03-26 18:39:56
●NSns99.worldnic.com2026-02-27 → 2026-03-26 · 2 obs
● 2026-03-26 18:39:56
○A141.8.225.312016-03-31 → 2016-03-31 · 3 obs
○ 2020-01-14 19:33:34
○ 2026-03-26 18:39:56
○A209.99.64.712020-01-14 → 2020-01-14 · 4 obs
● 2020-01-14 19:33:34
○ 2026-02-27 09:03:52
○ 2026-03-26 18:39:56
●A66.81.203.1392026-02-27 → 2026-03-26 · 3 obs
● 2026-02-27 09:03:52
● 2026-03-26 18:39:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| gradtrak.us | ns100.worldnic.com, ns99.worldnic.com | - |
✅ Authoritative Response
Server:162.159.27.155
NS records: ns100.worldnic.com, ns99.worldnic.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for gradtrak.us (unsigned zone)
⏱️ Timing
Total: 452ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 66.81.203.139 |
Analysis
Hierarchy
The parent of www.gradtrak.us is gradtrak.us.
IP Addresses
gradtrak.us points to a single IP address: 66.81.203.139.
Other host names such as musicinfosystem.info, fullstory.info, riverside.pro, eastmark.info and snapdrape.us share IPs with gradtrak.us.
Name Servers
Two name servers ns100.worldnic.com and ns99.worldnic.com handle the delegation for gradtrak.us.
gradtrak.us shares the same name server setup as other domains, for example pva-ne.org, vivalifeonline.com, diagnosticfaulttree.com, jorins.com and thegoodys.com.
gradtrak.us shares name servers with other domains at least partially, for instance infodefense.biz.
Host names with one IP number:
ns100.worldnic.com points to 162.159.27.155; ns99.worldnic.com points to 162.159.26.217.