crowdcourse.net - robtex.com
crowdcourse.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=1777068301 | ||||||
Previously MX for
Same first word
Similar names
DNS History
19 records (0 active, 19 former)
○NSns-cloud-a1.googledomains.com2016-12-30 → 2017-01-10 · 4 obs
○ 2016-06-18 16:11:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
○NSns-cloud-a2.googledomains.com2016-12-30 → 2017-01-10 · 4 obs
○ 2016-06-18 16:11:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
○NSns-cloud-a3.googledomains.com2016-12-30 → 2017-01-10 · 4 obs
○ 2016-06-18 16:11:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
○NSns-cloud-a4.googledomains.com2016-12-30 → 2017-01-10 · 4 obs
○ 2016-06-18 16:11:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
○NSns1.crowdcourse.net2015-08-03 → 2016-06-18 · 4 obs
● 2015-08-03 03:03:54
● 2016-06-18 16:11:40
○ 2016-12-30 11:02:50
○ 2026-04-24 22:05:40
● 2016-06-18 16:11:40
○ 2016-12-30 11:02:50
○ 2026-04-24 22:05:40
○NSns4-cloud.nic.ru2015-08-03 → 2016-06-18 · 4 obs
● 2015-08-03 03:03:54
● 2016-06-18 16:11:40
○ 2016-12-30 11:02:50
○ 2026-04-24 22:05:40
● 2016-06-18 16:11:40
○ 2016-12-30 11:02:50
○ 2026-04-24 22:05:40
○NSns4-l2.nic.ru2015-08-03 → 2016-06-18 · 4 obs
● 2015-08-03 03:03:54
● 2016-06-18 16:11:40
○ 2016-12-30 11:02:50
○ 2026-04-24 22:05:40
● 2016-06-18 16:11:40
○ 2016-12-30 11:02:50
○ 2026-04-24 22:05:40
○NSns8-cloud.nic.ru2015-08-03 → 2016-06-18 · 4 obs
● 2015-08-03 03:03:54
● 2016-06-18 16:11:40
○ 2016-12-30 11:02:50
○ 2026-04-24 22:05:40
● 2016-06-18 16:11:40
○ 2016-12-30 11:02:50
○ 2026-04-24 22:05:40
○NSns8-l2.nic.ru2015-08-03 → 2016-06-18 · 4 obs
● 2015-08-03 03:03:54
● 2016-06-18 16:11:40
○ 2016-12-30 11:02:50
○ 2026-04-24 22:05:40
● 2016-06-18 16:11:40
○ 2016-12-30 11:02:50
○ 2026-04-24 22:05:40
○MXcrowdcourse.net2015-08-03 → 2016-06-18 · 4 obs
● 2015-08-03 03:03:54
● 2016-06-18 16:11:40
○ 2016-12-30 11:02:50
○ 2026-04-24 22:05:40
● 2016-06-18 16:11:40
○ 2016-12-30 11:02:50
○ 2026-04-24 22:05:40
○A2001:4860:4802:32::152016-12-30 → 2017-01-10 · 4 obs
○ 2016-06-18 16:11:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
○A2001:4860:4802:34::152016-12-30 → 2017-01-10 · 4 obs
○ 2016-06-18 16:11:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
○A2001:4860:4802:36::152016-12-30 → 2017-01-10 · 4 obs
○ 2016-06-18 16:11:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
○A2001:4860:4802:38::152016-12-30 → 2017-01-10 · 4 obs
○ 2016-06-18 16:11:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
○A216.239.32.212016-12-30 → 2017-01-10 · 4 obs
○ 2016-06-18 16:11:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
○A216.239.34.212016-12-30 → 2017-01-10 · 4 obs
○ 2016-06-18 16:11:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
○A216.239.36.212016-12-30 → 2017-01-10 · 4 obs
○ 2016-06-18 16:11:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
○A216.239.38.212016-12-30 → 2017-01-10 · 4 obs
○ 2016-06-18 16:11:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
● 2016-12-30 11:02:50
● 2017-01-10 15:10:58
○ 2026-04-24 22:05:40
○A37.200.69.872015-08-03 → 2016-06-18 · 4 obs
● 2015-08-03 03:03:54
● 2016-06-18 16:11:40
○ 2016-12-30 11:02:50
○ 2026-04-24 22:05:40
● 2016-06-18 16:11:40
○ 2016-12-30 11:02:50
○ 2026-04-24 22:05:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net... | - |
✅ Authoritative Response
Server:192.42.93.30
NS records: m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net, d.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net, g.gtld-servers.net, i.gtld-servers.net
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 535ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|