openlearning.us - robtex.com
openlearning.us
| DNSSEC | ⚠️ Not signed | ||||||
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=1776971557 | ||||||
Same first word
Similar names
DNS History
12 records (0 active, 12 former)
○NSns01.cashparking.com2015-07-12 → 2020-02-10 · 3 obs
● 2015-07-12 06:35:54
● 2020-02-10 10:27:20
○ 2026-04-23 19:33:40
● 2020-02-10 10:27:20
○ 2026-04-23 19:33:40
○NSns02.cashparking.com2020-02-10 → 2020-02-10 · 3 obs
○ 2015-07-12 06:35:54
● 2020-02-10 10:27:20
○ 2026-04-23 19:33:40
● 2020-02-10 10:27:20
○ 2026-04-23 19:33:40
○NSns1.sedoparking.com2026-04-23 → 2026-04-23 · 1 obs
○ 2026-04-23 19:33:40
○NSns2.sedoparking.com2026-04-23 → 2026-04-23 · 1 obs
○ 2026-04-23 19:33:40
○MX(root)2020-02-10 → 2020-02-10 · 3 obs
○ 2016-06-28 20:59:50
● 2020-02-10 10:27:20
○ 2026-04-23 19:33:40
● 2020-02-10 10:27:20
○ 2026-04-23 19:33:40
○MX102020-02-10 → 2020-02-10 · 3 obs
○ 2016-06-28 20:59:50
● 2020-02-10 10:27:20
○ 2026-04-23 19:33:40
● 2020-02-10 10:27:20
○ 2026-04-23 19:33:40
○MXlocalhost2026-04-23 → 2026-04-23 · 1 obs
○ 2026-04-23 19:33:40
○MXmailstore1.secureserver.net2015-07-12 → 2016-06-28 · 4 obs
● 2015-07-12 06:35:54
● 2016-06-28 20:59:50
○ 2020-02-10 10:27:20
○ 2026-04-23 19:33:40
● 2016-06-28 20:59:50
○ 2020-02-10 10:27:20
○ 2026-04-23 19:33:40
○MXsmtp.secureserver.net2015-07-12 → 2016-06-28 · 4 obs
● 2015-07-12 06:35:54
● 2016-06-28 20:59:50
○ 2020-02-10 10:27:20
○ 2026-04-23 19:33:40
● 2016-06-28 20:59:50
○ 2020-02-10 10:27:20
○ 2026-04-23 19:33:40
○A184.168.221.962015-07-12 → 2016-06-28 · 4 obs
● 2015-07-12 06:35:54
● 2016-06-28 20:59:50
○ 2020-02-10 10:27:20
○ 2026-04-23 19:33:40
● 2016-06-28 20:59:50
○ 2020-02-10 10:27:20
○ 2026-04-23 19:33:40
○A35.186.238.1012020-02-10 → 2020-02-10 · 3 obs
○ 2016-06-28 20:59:50
● 2020-02-10 10:27:20
○ 2026-04-23 19:33:40
● 2020-02-10 10:27:20
○ 2026-04-23 19:33:40
○A64.190.63.2222026-04-23 → 2026-04-23 · 1 obs
○ 2026-04-23 19:33:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
✅ Authoritative Response
Server:156.154.128.70
NS records: b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us, n.cctld.us, w.cctld.us, x.cctld.us, y.cctld.us
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 284ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|