courseforme.net - robtex.com
courseforme.net
| DNSSEC | ⚠️ Not signed | ||||||
net
| 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=1775011252 | ||||||
Same first word
DNS History
7 records (0 active, 7 former)
○NSns31.domaincontrol.com2026-03-14 → 2026-03-23 · 5 obs
○ 2017-02-05 14:15:08
● 2026-03-14 05:19:56
● 2026-03-23 08:46:56
○ 2026-03-31 22:17:16
○ 2026-04-01 03:09:24
● 2026-03-14 05:19:56
● 2026-03-23 08:46:56
○ 2026-03-31 22:17:16
○ 2026-04-01 03:09:24
○NSns32.domaincontrol.com2026-03-14 → 2026-03-23 · 5 obs
○ 2017-02-05 14:15:08
● 2026-03-14 05:19:56
● 2026-03-23 08:46:56
○ 2026-03-31 22:17:16
○ 2026-04-01 03:09:24
● 2026-03-14 05:19:56
● 2026-03-23 08:46:56
○ 2026-03-31 22:17:16
○ 2026-04-01 03:09:24
○NSns53.domaincontrol.com2015-06-27 → 2016-05-03 · 4 obs
● 2015-06-27 15:24:48
● 2016-05-03 09:17:18
○ 2017-02-05 14:15:08
○ 2026-04-01 03:09:24
● 2016-05-03 09:17:18
○ 2017-02-05 14:15:08
○ 2026-04-01 03:09:24
○NSns54.domaincontrol.com2015-06-27 → 2016-05-03 · 4 obs
● 2015-06-27 15:24:48
● 2016-05-03 09:17:18
○ 2017-02-05 14:15:08
○ 2026-04-01 03:09:24
● 2016-05-03 09:17:18
○ 2017-02-05 14:15:08
○ 2026-04-01 03:09:24
○A13.248.213.452026-03-14 → 2026-03-23 · 5 obs
○ 2017-02-05 14:15:08
● 2026-03-14 05:19:56
● 2026-03-23 08:46:56
○ 2026-03-31 22:17:16
○ 2026-04-01 03:09:24
● 2026-03-14 05:19:56
● 2026-03-23 08:46:56
○ 2026-03-31 22:17:16
○ 2026-04-01 03:09:24
○A46.30.241.1672015-06-27 → 2016-05-03 · 4 obs
● 2015-06-27 15:24:48
● 2016-05-03 09:17:18
○ 2017-02-05 14:15:08
○ 2026-04-01 03:09:24
● 2016-05-03 09:17:18
○ 2017-02-05 14:15:08
○ 2026-04-01 03:09:24
○A76.223.67.1892026-03-14 → 2026-03-23 · 5 obs
○ 2017-02-05 14:15:08
● 2026-03-14 05:19:56
● 2026-03-23 08:46:56
○ 2026-03-31 22:17:16
○ 2026-04-01 03:09:24
● 2026-03-14 05:19:56
● 2026-03-23 08:46:56
○ 2026-03-31 22:17:16
○ 2026-04-01 03:09:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
✅ Authoritative Response
Server:192.42.93.30
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: 143ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|