course-word.com - robtex.com
course-word.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=1785288212 | ||||||
DNS History
21 records (0 active, 21 former)
○NSns1.course-word.com2015-08-11 → 2015-08-11 · 3 obs
● 2015-08-11 21:52:58
○ 2015-11-29 21:23:50
○ 2026-07-29 01:33:20
○ 2015-11-29 21:23:50
○ 2026-07-29 01:33:20
○NSns1.rrpproxy.net2015-11-29 → 2016-06-23 · 5 obs
○ 2015-08-11 21:52:58
● 2015-11-29 21:23:50
● 2016-06-23 05:57:46
○ 2017-03-26 17:56:00
○ 2026-07-29 01:33:20
● 2015-11-29 21:23:50
● 2016-06-23 05:57:46
○ 2017-03-26 17:56:00
○ 2026-07-29 01:33:20
○NSns2.course-word.com2015-08-11 → 2015-08-11 · 3 obs
● 2015-08-11 21:52:58
○ 2015-11-29 21:23:50
○ 2026-07-29 01:33:20
○ 2015-11-29 21:23:50
○ 2026-07-29 01:33:20
○NSns2.rrpproxy.net2015-11-29 → 2016-06-23 · 5 obs
○ 2015-08-11 21:52:58
● 2015-11-29 21:23:50
● 2016-06-23 05:57:46
○ 2017-03-26 17:56:00
○ 2026-07-29 01:33:20
● 2015-11-29 21:23:50
● 2016-06-23 05:57:46
○ 2017-03-26 17:56:00
○ 2026-07-29 01:33:20
○NSns3.rrpproxy.net2015-11-29 → 2016-06-23 · 5 obs
○ 2015-08-11 21:52:58
● 2015-11-29 21:23:50
● 2016-06-23 05:57:46
○ 2017-03-26 17:56:00
○ 2026-07-29 01:33:20
● 2015-11-29 21:23:50
● 2016-06-23 05:57:46
○ 2017-03-26 17:56:00
○ 2026-07-29 01:33:20
○MXmail.course-word.com2016-02-28 → 2016-06-23 · 5 obs
○ 2015-11-29 21:23:50
● 2016-02-28 08:24:22
● 2016-06-23 05:57:46
○ 2017-03-26 17:56:00
○ 2026-07-29 01:33:20
● 2016-02-28 08:24:22
● 2016-06-23 05:57:46
○ 2017-03-26 17:56:00
○ 2026-07-29 01:33:20
○MXmail.course-word.com.course-word.com2015-08-11 → 2015-08-11 · 3 obs
● 2015-08-11 21:52:58
○ 2015-11-29 21:23:50
○ 2026-07-29 01:33:20
○ 2015-11-29 21:23:50
○ 2026-07-29 01:33:20
○MXmail1.course-word.com2015-11-29 → 2015-11-29 · 4 obs
○ 2015-08-11 21:52:58
● 2015-11-29 21:23:50
○ 2016-02-28 08:24:22
○ 2026-07-29 01:33:20
● 2015-11-29 21:23:50
○ 2016-02-28 08:24:22
○ 2026-07-29 01:33:20
○MXmail2.course-word.com2015-11-29 → 2015-11-29 · 4 obs
○ 2015-08-11 21:52:58
● 2015-11-29 21:23:50
○ 2016-02-28 08:24:22
○ 2026-07-29 01:33:20
● 2015-11-29 21:23:50
○ 2016-02-28 08:24:22
○ 2026-07-29 01:33:20
○MXmail2.course-word.com.course-word.com2015-08-11 → 2015-08-11 · 3 obs
● 2015-08-11 21:52:58
○ 2015-11-29 21:23:50
○ 2026-07-29 01:33:20
○ 2015-11-29 21:23:50
○ 2026-07-29 01:33:20
○MXmail3.course-word.com2015-11-29 → 2015-11-29 · 4 obs
○ 2015-08-11 21:52:58
● 2015-11-29 21:23:50
○ 2016-02-28 08:24:22
○ 2026-07-29 01:33:20
● 2015-11-29 21:23:50
○ 2016-02-28 08:24:22
○ 2026-07-29 01:33:20
○A178.157.79.122015-11-29 → 2015-11-29 · 4 obs
○ 2015-08-11 21:52:58
● 2015-11-29 21:23:50
○ 2016-02-28 08:24:22
○ 2026-07-29 01:33:20
● 2015-11-29 21:23:50
○ 2016-02-28 08:24:22
○ 2026-07-29 01:33:20
○A178.157.94.132016-02-28 → 2016-02-28 · 4 obs
○ 2015-11-29 21:23:50
● 2016-02-28 08:24:22
○ 2016-06-23 05:57:46
○ 2026-07-29 01:33:20
● 2016-02-28 08:24:22
○ 2016-06-23 05:57:46
○ 2026-07-29 01:33:20
○A188.119.131.722015-08-11 → 2015-08-11 · 3 obs
● 2015-08-11 21:52:58
○ 2026-04-07 10:43:08
○ 2026-07-29 01:33:20
○ 2026-04-07 10:43:08
○ 2026-07-29 01:33:20
○A188.119.132.1032015-08-11 → 2015-08-11 · 3 obs
● 2015-08-11 21:52:58
○ 2015-11-29 21:23:50
○ 2026-07-29 01:33:20
○ 2015-11-29 21:23:50
○ 2026-07-29 01:33:20
○A46.108.58.382016-02-28 → 2016-02-28 · 4 obs
○ 2015-11-29 21:23:50
● 2016-02-28 08:24:22
○ 2016-06-23 05:57:46
○ 2026-07-29 01:33:20
● 2016-02-28 08:24:22
○ 2016-06-23 05:57:46
○ 2026-07-29 01:33:20
○A77.93.204.2332015-11-29 → 2015-11-29 · 4 obs
○ 2015-08-11 21:52:58
● 2015-11-29 21:23:50
○ 2016-02-28 08:24:22
○ 2026-07-29 01:33:20
● 2015-11-29 21:23:50
○ 2016-02-28 08:24:22
○ 2026-07-29 01:33:20
○A77.93.214.1502016-02-28 → 2016-02-28 · 4 obs
○ 2015-11-29 21:23:50
● 2016-02-28 08:24:22
○ 2016-06-23 05:57:46
○ 2026-07-29 01:33:20
● 2016-02-28 08:24:22
○ 2016-06-23 05:57:46
○ 2026-07-29 01:33:20
○A77.93.214.1532016-06-23 → 2016-06-23 · 4 obs
○ 2016-02-28 08:24:22
● 2016-06-23 05:57:46
○ 2017-03-26 17:56:00
○ 2026-07-29 01:33:20
● 2016-06-23 05:57:46
○ 2017-03-26 17:56:00
○ 2026-07-29 01:33:20
○A89.35.134.1352015-11-29 → 2015-11-29 · 4 obs
○ 2015-08-11 21:52:58
● 2015-11-29 21:23:50
○ 2016-02-28 08:24:22
○ 2026-07-29 01:33:20
● 2015-11-29 21:23:50
○ 2016-02-28 08:24:22
○ 2026-07-29 01:33:20
○A89.35.134.1392016-02-28 → 2016-02-28 · 4 obs
○ 2015-11-29 21:23:50
● 2016-02-28 08:24:22
○ 2016-06-23 05:57:46
○ 2026-07-29 01:33:20
● 2016-02-28 08:24:22
○ 2016-06-23 05:57:46
○ 2026-07-29 01:33:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
✅ Authoritative Response
Server:192.42.93.30
NS records: k.gtld-servers.net, j.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net, f.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, e.gtld-servers.net, a.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 91ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|