mastermind-education.com - robtex.com
mastermind-education.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=1774673307 | ||||||
Same first word
mastermind-education.com |
DNS History
14 records (0 active, 14 former)
○NSa.share-dns.com2026-03-28 → 2026-03-28 · 1 obs
○ 2026-03-28 05:04:22
○NSb.share-dns.net2026-03-28 → 2026-03-28 · 1 obs
○ 2026-03-28 05:04:22
○NSivy.ns.cloudflare.com2019-12-21 → 2019-12-21 · 3 obs
○ 2017-03-17 10:49:58
● 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
● 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
○NSns33.domaincontrol.com2015-08-17 → 2017-03-17 · 4 obs
● 2015-08-17 22:52:38
● 2017-03-17 10:49:58
○ 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
● 2017-03-17 10:49:58
○ 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
○NSns34.domaincontrol.com2015-08-17 → 2017-03-17 · 4 obs
● 2015-08-17 22:52:38
● 2017-03-17 10:49:58
○ 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
● 2017-03-17 10:49:58
○ 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
○NSowen.ns.cloudflare.com2019-12-21 → 2019-12-21 · 3 obs
○ 2017-03-17 10:49:58
● 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
● 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
○MXmailstore1.secureserver.net2015-08-17 → 2017-03-17 · 4 obs
● 2015-08-17 22:52:38
● 2017-03-17 10:49:58
○ 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
● 2017-03-17 10:49:58
○ 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
○MXsmtp.secureserver.net2015-08-17 → 2017-03-17 · 4 obs
● 2015-08-17 22:52:38
● 2017-03-17 10:49:58
○ 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
● 2017-03-17 10:49:58
○ 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
○A104.28.0.182019-12-21 → 2019-12-21 · 3 obs
○ 2017-03-17 10:49:58
● 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
● 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
○A104.28.1.182019-12-21 → 2019-12-21 · 3 obs
○ 2017-03-17 10:49:58
● 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
● 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
○A204.12.117.682015-08-17 → 2017-03-17 · 4 obs
● 2015-08-17 22:52:38
● 2017-03-17 10:49:58
○ 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
● 2017-03-17 10:49:58
○ 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
○A2606:4700:30::681c:1122019-12-21 → 2019-12-21 · 3 obs
○ 2017-03-17 10:49:58
● 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
● 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
○A2606:4700:30::681c:122019-12-21 → 2019-12-21 · 3 obs
○ 2017-03-17 10:49:58
● 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
● 2019-12-21 18:12:34
○ 2026-03-28 05:04:22
○A38.55.173.1102026-03-28 → 2026-03-28 · 1 obs
○ 2026-03-28 05:04:22
🔍 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:192.54.112.30
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: 79ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|