coursesglobal.com - robtex.com
coursesglobal.com
| DNSSEC | ⚠️ Not signed | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1774551477 | ||||||
Similar names
DNS History
20 records (0 active, 20 former)
○NSns1.namebrightdns.com2018-09-11 → 2018-09-11 · 4 obs
○ 2017-01-17 15:20:36
● 2018-09-11 10:46:38
○ 2026-03-16 04:27:54
○ 2026-03-26 19:26:48
● 2018-09-11 10:46:38
○ 2026-03-16 04:27:54
○ 2026-03-26 19:26:48
○NSns1647.ztomy.com2015-06-18 → 2015-10-28 · 4 obs
● 2015-06-18 14:41:26
● 2015-10-28 04:30:00
○ 2016-01-19 20:38:32
○ 2026-03-26 19:26:48
● 2015-10-28 04:30:00
○ 2016-01-19 20:38:32
○ 2026-03-26 19:26:48
○NSns2.namebrightdns.com2018-09-11 → 2018-09-11 · 4 obs
○ 2017-01-17 15:20:36
● 2018-09-11 10:46:38
○ 2026-03-16 04:27:54
○ 2026-03-26 19:26:48
● 2018-09-11 10:46:38
○ 2026-03-16 04:27:54
○ 2026-03-26 19:26:48
○NSns2647.ztomy.com2015-06-18 → 2015-10-28 · 4 obs
● 2015-06-18 14:41:26
● 2015-10-28 04:30:00
○ 2016-01-19 20:38:32
○ 2026-03-26 19:26:48
● 2015-10-28 04:30:00
○ 2016-01-19 20:38:32
○ 2026-03-26 19:26:48
○NSsk.s5.ans1.ns122.ztomy.com2016-01-19 → 2017-01-17 · 6 obs
○ 2015-10-28 04:30:00
● 2016-01-19 20:38:32
○ 2016-05-02 14:15:48
● 2017-01-17 15:20:36
○ 2018-09-11 10:46:38
○ 2026-03-26 19:26:48
● 2016-01-19 20:38:32
○ 2016-05-02 14:15:48
● 2017-01-17 15:20:36
○ 2018-09-11 10:46:38
○ 2026-03-26 19:26:48
○NSsk.s5.ans2.ns122.ztomy.com2016-01-19 → 2017-01-17 · 6 obs
○ 2015-10-28 04:30:00
● 2016-01-19 20:38:32
○ 2016-05-02 14:15:48
● 2017-01-17 15:20:36
○ 2018-09-11 10:46:38
○ 2026-03-26 19:26:48
● 2016-01-19 20:38:32
○ 2016-05-02 14:15:48
● 2017-01-17 15:20:36
○ 2018-09-11 10:46:38
○ 2026-03-26 19:26:48
○NSsk.s5.cm.ns1.37.ztomy.com2016-05-02 → 2016-05-02 · 4 obs
○ 2016-01-19 20:38:32
● 2016-05-02 14:15:48
○ 2017-01-17 15:20:36
○ 2026-03-26 19:26:48
● 2016-05-02 14:15:48
○ 2017-01-17 15:20:36
○ 2026-03-26 19:26:48
○NSsk.s5.cm.ns2.37.ztomy.com2016-05-02 → 2016-05-02 · 4 obs
○ 2016-01-19 20:38:32
● 2016-05-02 14:15:48
○ 2017-01-17 15:20:36
○ 2026-03-26 19:26:48
● 2016-05-02 14:15:48
○ 2017-01-17 15:20:36
○ 2026-03-26 19:26:48
○MXmx.coursesglobal.com2026-03-16 → 2026-03-26 · 2 obs
○ 2026-03-16 04:27:54
○ 2026-03-26 19:26:48
○ 2026-03-26 19:26:48
○A141.8.226.152015-06-18 → 2015-10-28 · 4 obs
● 2015-06-18 14:41:26
● 2015-10-28 04:30:00
○ 2016-01-19 20:38:32
○ 2026-03-26 19:26:48
● 2015-10-28 04:30:00
○ 2016-01-19 20:38:32
○ 2026-03-26 19:26:48
○A185.27.134.2152026-03-16 → 2026-03-26 · 2 obs
○ 2026-03-16 04:27:54
○ 2026-03-26 19:26:48
○ 2026-03-26 19:26:48
○A208.91.197.442016-01-19 → 2017-01-17 · 6 obs
○ 2015-10-28 04:30:00
● 2016-01-19 20:38:32
○ 2016-05-02 14:15:48
● 2017-01-17 15:20:36
○ 2018-09-11 10:46:38
○ 2026-03-26 19:26:48
● 2016-01-19 20:38:32
○ 2016-05-02 14:15:48
● 2017-01-17 15:20:36
○ 2018-09-11 10:46:38
○ 2026-03-26 19:26:48
○A208.91.197.542016-05-02 → 2016-05-02 · 4 obs
○ 2016-01-19 20:38:32
● 2016-05-02 14:15:48
○ 2017-01-17 15:20:36
○ 2026-03-26 19:26:48
● 2016-05-02 14:15:48
○ 2017-01-17 15:20:36
○ 2026-03-26 19:26:48
○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2018-09-11 → 2018-09-11 · 3 obs
● 2018-09-11 10:46:38
○ 2026-03-16 04:27:54
○ 2026-03-26 19:26:48
○ 2026-03-16 04:27:54
○ 2026-03-26 19:26:48
○PTRsk.s5.ans1.ns122.ztomy.com2017-01-17 → 2017-01-17 · 3 obs
● 2017-01-17 15:20:36
○ 2026-03-16 04:27:54
○ 2026-03-26 19:26:48
○ 2026-03-16 04:27:54
○ 2026-03-26 19:26:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
✅ Authoritative Response
Server:192.26.92.30
NS records: a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, k.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 164ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|