courserver.com - dns.ninja
courserver.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=1783992307 | ||||||
Similar names
DNS History
12 records (0 active, 12 former)
○NSns1.courserver.com2015-08-19 → 2016-07-19 · 4 obs
● 2015-08-19 07:47:32
● 2016-07-19 00:50:56
○ 2016-11-20 11:10:54
○ 2026-07-14 01:26:16
● 2016-07-19 00:50:56
○ 2016-11-20 11:10:54
○ 2026-07-14 01:26:16
○NSns10.dnsmadeeasy.com2015-08-19 → 2016-07-19 · 4 obs
● 2015-08-19 07:47:32
● 2016-07-19 00:50:56
○ 2016-11-20 11:10:54
○ 2026-07-14 01:26:16
● 2016-07-19 00:50:56
○ 2016-11-20 11:10:54
○ 2026-07-14 01:26:16
○NSns2.courserver.com2015-08-19 → 2016-07-19 · 4 obs
● 2015-08-19 07:47:32
● 2016-07-19 00:50:56
○ 2016-11-20 11:10:54
○ 2026-07-14 01:26:16
● 2016-07-19 00:50:56
○ 2016-11-20 11:10:54
○ 2026-07-14 01:26:16
○NSns3.courserver.com2015-08-19 → 2016-07-19 · 4 obs
● 2015-08-19 07:47:32
● 2016-07-19 00:50:56
○ 2016-11-20 11:10:54
○ 2026-07-14 01:26:16
● 2016-07-19 00:50:56
○ 2016-11-20 11:10:54
○ 2026-07-14 01:26:16
○NSns4.courserver.com2015-08-19 → 2016-07-19 · 4 obs
● 2015-08-19 07:47:32
● 2016-07-19 00:50:56
○ 2016-11-20 11:10:54
○ 2026-07-14 01:26:16
● 2016-07-19 00:50:56
○ 2016-11-20 11:10:54
○ 2026-07-14 01:26:16
○NSns5.courserver.com2015-08-19 → 2016-07-19 · 4 obs
● 2015-08-19 07:47:32
● 2016-07-19 00:50:56
○ 2016-11-20 11:10:54
○ 2026-07-14 01:26:16
● 2016-07-19 00:50:56
○ 2016-11-20 11:10:54
○ 2026-07-14 01:26:16
○NSns51.domaincontrol.com2016-11-20 → 2017-08-10 · 5 obs
○ 2016-07-19 00:50:56
● 2016-11-20 11:10:54
● 2017-08-10 02:50:28
○ 2026-04-27 12:59:52
○ 2026-07-14 01:26:16
● 2016-11-20 11:10:54
● 2017-08-10 02:50:28
○ 2026-04-27 12:59:52
○ 2026-07-14 01:26:16
○NSns52.domaincontrol.com2016-11-20 → 2017-08-10 · 5 obs
○ 2016-07-19 00:50:56
● 2016-11-20 11:10:54
● 2017-08-10 02:50:28
○ 2026-04-27 12:59:52
○ 2026-07-14 01:26:16
● 2016-11-20 11:10:54
● 2017-08-10 02:50:28
○ 2026-04-27 12:59:52
○ 2026-07-14 01:26:16
○NSns6.courserver.com2015-08-19 → 2016-07-19 · 4 obs
● 2015-08-19 07:47:32
● 2016-07-19 00:50:56
○ 2016-11-20 11:10:54
○ 2026-07-14 01:26:16
● 2016-07-19 00:50:56
○ 2016-11-20 11:10:54
○ 2026-07-14 01:26:16
○MXmailstore1.secureserver.net2016-11-20 → 2017-08-10 · 4 obs
● 2016-11-20 11:10:54
● 2017-08-10 02:50:28
○ 2026-04-27 12:59:52
○ 2026-07-14 01:26:16
● 2017-08-10 02:50:28
○ 2026-04-27 12:59:52
○ 2026-07-14 01:26:16
○MXsmtp.secureserver.net2016-11-20 → 2017-08-10 · 4 obs
● 2016-11-20 11:10:54
● 2017-08-10 02:50:28
○ 2026-04-27 12:59:52
○ 2026-07-14 01:26:16
● 2017-08-10 02:50:28
○ 2026-04-27 12:59:52
○ 2026-07-14 01:26:16
○A50.63.202.52016-11-20 → 2017-08-10 · 4 obs
● 2016-11-20 11:10:54
● 2017-08-10 02:50:28
○ 2026-04-27 12:59:52
○ 2026-07-14 01:26:16
● 2017-08-10 02:50:28
○ 2026-04-27 12:59:52
○ 2026-07-14 01:26:16
🔍 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:192.31.80.30
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: 55ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|